Hive UDF bug

https://ragrawal.wordpress.com/2015/10/02/spark-custom-udf-example/

In [1]:
print("spark version: {}".format(sc.version))

import sys
print("python version: {}".format(sys.version))

spark version: 1.6.2
python version: 3.4.2 (v3.4.2:ab2c023a9432, Oct  5 2014, 20:42:22) 
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)]
In [2]:
# Generate Random Data
import itertools
import random
students = ['John', 'Mike','Matt']
subjects = ['Math', 'Sci', 'Geography', 'History']
random.seed(1)
data = []
 
for (student, subject) in itertools.product(students, subjects):
    data.append((student, subject, random.randint(0, 100)))
 
# Create Schema Object
from pyspark.sql.types import StructType, StructField, IntegerType, StringType
schema = StructType([
            StructField("student", StringType(), nullable=False),
            StructField("subject", StringType(), nullable=False),
            StructField("score", IntegerType(), nullable=False)
    ])


# Create DataFrame 
from pyspark.sql import HiveContext
sqlContext = HiveContext(sc)
rdd = sc.parallelize(data)
df = sqlContext.createDataFrame(rdd, schema)
In [3]:
# Define udf
from pyspark.sql.functions import udf
def scoreToCategory(score):
    if score >= 80: return 'A'
    elif score >= 60: return 'B'
    elif score >= 35: return 'C'
    else: return 'D'
 
udfScoreToCategory=udf(scoreToCategory, StringType())

You must build Spark with Hive. Export 'SPARK_HIVE=true' and run build/sbt assembly

---------------------------------------------------------------------------
Py4JJavaError                             Traceback (most recent call last)
<ipython-input-3-efd1e3287e82> in <module>()
      7     else: return 'D'
      8 
----> 9 udfScoreToCategory=udf(scoreToCategory, StringType())

/Users/andrewdavidson/workSpace/spark/spark-1.6.2-bin-hadoop2.6/python/pyspark/sql/functions.py in udf(f, returnType)
   1595     [Row(slen=5), Row(slen=3)]
   1596     """
-> 1597     return UserDefinedFunction(f, returnType)
   1598 
   1599 blacklist = ['map', 'since', 'ignore_unicode_prefix']

/Users/andrewdavidson/workSpace/spark/spark-1.6.2-bin-hadoop2.6/python/pyspark/sql/functions.py in __init__(self, func, returnType, name)
   1556         self.returnType = returnType
   1557         self._broadcast = None
-> 1558         self._judf = self._create_judf(name)
   1559 
   1560     def _create_judf(self, name):

/Users/andrewdavidson/workSpace/spark/spark-1.6.2-bin-hadoop2.6/python/pyspark/sql/functions.py in _create_judf(self, name)
   1567         pickled_command, broadcast_vars, env, includes = _prepare_for_python_RDD(sc, command, self)
   1568         ctx = SQLContext.getOrCreate(sc)
-> 1569         jdt = ctx._ssql_ctx.parseDataType(self.returnType.json())
   1570         if name is None:
   1571             name = f.__name__ if hasattr(f, '__name__') else f.__class__.__name__

/Users/andrewdavidson/workSpace/spark/spark-1.6.2-bin-hadoop2.6/python/pyspark/sql/context.py in _ssql_ctx(self)
    681         try:
    682             if not hasattr(self, '_scala_HiveContext'):
--> 683                 self._scala_HiveContext = self._get_hive_ctx()
    684             return self._scala_HiveContext
    685         except Py4JError as e:

/Users/andrewdavidson/workSpace/spark/spark-1.6.2-bin-hadoop2.6/python/pyspark/sql/context.py in _get_hive_ctx(self)
    690 
    691     def _get_hive_ctx(self):
--> 692         return self._jvm.HiveContext(self._jsc.sc())
    693 
    694     def refreshTable(self, tableName):

/Users/andrewdavidson/workSpace/spark/spark-1.6.2-bin-hadoop2.6/python/lib/py4j-0.9-src.zip/py4j/java_gateway.py in __call__(self, *args)
   1062         answer = self._gateway_client.send_command(command)
   1063         return_value = get_return_value(
-> 1064             answer, self._gateway_client, None, self._fqn)
   1065 
   1066         for temp_arg in temp_args:

/Users/andrewdavidson/workSpace/spark/spark-1.6.2-bin-hadoop2.6/python/pyspark/sql/utils.py in deco(*a, **kw)
     43     def deco(*a, **kw):
     44         try:
---> 45             return f(*a, **kw)
     46         except py4j.protocol.Py4JJavaError as e:
     47             s = e.java_exception.toString()

/Users/andrewdavidson/workSpace/spark/spark-1.6.2-bin-hadoop2.6/python/lib/py4j-0.9-src.zip/py4j/protocol.py in get_return_value(answer, gateway_client, target_id, name)
    306                 raise Py4JJavaError(
    307                     "An error occurred while calling {0}{1}{2}.\n".
--> 308                     format(target_id, ".", name), value)
    309             else:
    310                 raise Py4JError(

Py4JJavaError: An error occurred while calling None.org.apache.spark.sql.hive.HiveContext.
: java.lang.RuntimeException: java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient
	at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:522)
	at org.apache.spark.sql.hive.client.ClientWrapper.<init>(ClientWrapper.scala:204)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at org.apache.spark.sql.hive.client.IsolatedClientLoader.createClient(IsolatedClientLoader.scala:249)
	at org.apache.spark.sql.hive.HiveContext.metadataHive$lzycompute(HiveContext.scala:327)
	at org.apache.spark.sql.hive.HiveContext.metadataHive(HiveContext.scala:237)
	at org.apache.spark.sql.hive.HiveContext.setConf(HiveContext.scala:441)
	at org.apache.spark.sql.hive.HiveContext.defaultOverrides(HiveContext.scala:226)
	at org.apache.spark.sql.hive.HiveContext.<init>(HiveContext.scala:229)
	at org.apache.spark.sql.hive.HiveContext.<init>(HiveContext.scala:101)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:234)
	at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:381)
	at py4j.Gateway.invoke(Gateway.java:214)
	at py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:79)
	at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:68)
	at py4j.GatewayConnection.run(GatewayConnection.java:209)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient
	at org.apache.hadoop.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1523)
	at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.<init>(RetryingMetaStoreClient.java:86)
	at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:132)
	at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:104)
	at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:3005)
	at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:3024)
	at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:503)
	... 23 more
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at org.apache.hadoop.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1521)
	... 29 more
Caused by: javax.jdo.JDOFatalDataStoreException: Unable to open a test connection to the given database. JDBC url = jdbc:derby:;databaseName=metastore_db;create=true, username = APP. Terminating connection pool (set lazyInit to true if you expect to start your database after your app). Original Exception: ------
java.sql.SQLException: Failed to start database 'metastore_db' with class loader org.apache.spark.sql.hive.client.IsolatedClientLoader$$anon$1@62b6f88a, see the next exception for details.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.seeNextException(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.bootDatabase(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.<init>(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection40.<init>(Unknown Source)
	at org.apache.derby.jdbc.Driver40.getNewEmbedConnection(Unknown Source)
	at org.apache.derby.jdbc.InternalDriver.connect(Unknown Source)
	at org.apache.derby.jdbc.Driver20.connect(Unknown Source)
	at org.apache.derby.jdbc.AutoloadedDriver.connect(Unknown Source)
	at java.sql.DriverManager.getConnection(DriverManager.java:664)
	at java.sql.DriverManager.getConnection(DriverManager.java:208)
	at com.jolbox.bonecp.BoneCP.obtainRawInternalConnection(BoneCP.java:361)
	at com.jolbox.bonecp.BoneCP.<init>(BoneCP.java:416)
	at com.jolbox.bonecp.BoneCPDataSource.getConnection(BoneCPDataSource.java:120)
	at org.datanucleus.store.rdbms.ConnectionFactoryImpl$ManagedConnectionImpl.getConnection(ConnectionFactoryImpl.java:501)
	at org.datanucleus.store.rdbms.RDBMSStoreManager.<init>(RDBMSStoreManager.java:298)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:631)
	at org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:301)
	at org.datanucleus.NucleusContext.createStoreManagerForProperties(NucleusContext.java:1187)
	at org.datanucleus.NucleusContext.initialise(NucleusContext.java:356)
	at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:775)
	at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.createPersistenceManagerFactory(JDOPersistenceManagerFactory.java:333)
	at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:202)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at javax.jdo.JDOHelper$16.run(JDOHelper.java:1965)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.jdo.JDOHelper.invoke(JDOHelper.java:1960)
	at javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1166)
	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:808)
	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:701)
	at org.apache.hadoop.hive.metastore.ObjectStore.getPMF(ObjectStore.java:365)
	at org.apache.hadoop.hive.metastore.ObjectStore.getPersistenceManager(ObjectStore.java:394)
	at org.apache.hadoop.hive.metastore.ObjectStore.initialize(ObjectStore.java:291)
	at org.apache.hadoop.hive.metastore.ObjectStore.setConf(ObjectStore.java:258)
	at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:73)
	at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
	at org.apache.hadoop.hive.metastore.RawStoreProxy.<init>(RawStoreProxy.java:57)
	at org.apache.hadoop.hive.metastore.RawStoreProxy.getProxy(RawStoreProxy.java:66)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.newRawStore(HiveMetaStore.java:593)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:571)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:624)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:461)
	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.<init>(RetryingHMSHandler.java:66)
	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.getProxy(RetryingHMSHandler.java:72)
	at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5762)
	at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:199)
	at org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.<init>(SessionHiveMetaStoreClient.java:74)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at org.apache.hadoop.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1521)
	at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.<init>(RetryingMetaStoreClient.java:86)
	at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:132)
	at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:104)
	at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:3005)
	at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:3024)
	at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:503)
	at org.apache.spark.sql.hive.client.ClientWrapper.<init>(ClientWrapper.scala:204)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at org.apache.spark.sql.hive.client.IsolatedClientLoader.createClient(IsolatedClientLoader.scala:249)
	at org.apache.spark.sql.hive.HiveContext.metadataHive$lzycompute(HiveContext.scala:327)
	at org.apache.spark.sql.hive.HiveContext.metadataHive(HiveContext.scala:237)
	at org.apache.spark.sql.hive.HiveContext.setConf(HiveContext.scala:441)
	at org.apache.spark.sql.hive.HiveContext.defaultOverrides(HiveContext.scala:226)
	at org.apache.spark.sql.hive.HiveContext.<init>(HiveContext.scala:229)
	at org.apache.spark.sql.hive.HiveContext.<init>(HiveContext.scala:101)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:234)
	at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:381)
	at py4j.Gateway.invoke(Gateway.java:214)
	at py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:79)
	at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:68)
	at py4j.GatewayConnection.run(GatewayConnection.java:209)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.sql.SQLException: Failed to start database 'metastore_db' with class loader org.apache.spark.sql.hive.client.IsolatedClientLoader$$anon$1@62b6f88a, see the next exception for details.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
	... 89 more
Caused by: java.sql.SQLException: Another instance of Derby may have already booted the database /Users/andrewdavidson/workSpace/bigPWSWorkspace/dataScience/notebooks/timeSeriesExperiments/metastore_db.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown Source)
	... 86 more
Caused by: ERROR XSDB6: Another instance of Derby may have already booted the database /Users/andrewdavidson/workSpace/bigPWSWorkspace/dataScience/notebooks/timeSeriesExperiments/metastore_db.
	at org.apache.derby.iapi.error.StandardException.newException(Unknown Source)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.privGetJBMSLockOnDB(Unknown Source)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.getJBMSLockOnDB(Unknown Source)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
	at org.apache.derby.impl.store.raw.RawStore.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
	at org.apache.derby.impl.store.access.RAMAccessManager.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
	at org.apache.derby.impl.db.BasicDatabase.bootStore(Unknown Source)
	at org.apache.derby.impl.db.BasicDatabase.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.bootService(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startProviderService(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.findProviderAndStartService(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startPersistentService(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.startPersistentService(Unknown Source)
	... 86 more
------

NestedThrowables:
java.sql.SQLException: Unable to open a test connection to the given database. JDBC url = jdbc:derby:;databaseName=metastore_db;create=true, username = APP. Terminating connection pool (set lazyInit to true if you expect to start your database after your app). Original Exception: ------
java.sql.SQLException: Failed to start database 'metastore_db' with class loader org.apache.spark.sql.hive.client.IsolatedClientLoader$$anon$1@62b6f88a, see the next exception for details.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.seeNextException(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.bootDatabase(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.<init>(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection40.<init>(Unknown Source)
	at org.apache.derby.jdbc.Driver40.getNewEmbedConnection(Unknown Source)
	at org.apache.derby.jdbc.InternalDriver.connect(Unknown Source)
	at org.apache.derby.jdbc.Driver20.connect(Unknown Source)
	at org.apache.derby.jdbc.AutoloadedDriver.connect(Unknown Source)
	at java.sql.DriverManager.getConnection(DriverManager.java:664)
	at java.sql.DriverManager.getConnection(DriverManager.java:208)
	at com.jolbox.bonecp.BoneCP.obtainRawInternalConnection(BoneCP.java:361)
	at com.jolbox.bonecp.BoneCP.<init>(BoneCP.java:416)
	at com.jolbox.bonecp.BoneCPDataSource.getConnection(BoneCPDataSource.java:120)
	at org.datanucleus.store.rdbms.ConnectionFactoryImpl$ManagedConnectionImpl.getConnection(ConnectionFactoryImpl.java:501)
	at org.datanucleus.store.rdbms.RDBMSStoreManager.<init>(RDBMSStoreManager.java:298)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:631)
	at org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:301)
	at org.datanucleus.NucleusContext.createStoreManagerForProperties(NucleusContext.java:1187)
	at org.datanucleus.NucleusContext.initialise(NucleusContext.java:356)
	at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:775)
	at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.createPersistenceManagerFactory(JDOPersistenceManagerFactory.java:333)
	at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:202)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at javax.jdo.JDOHelper$16.run(JDOHelper.java:1965)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.jdo.JDOHelper.invoke(JDOHelper.java:1960)
	at javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1166)
	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:808)
	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:701)
	at org.apache.hadoop.hive.metastore.ObjectStore.getPMF(ObjectStore.java:365)
	at org.apache.hadoop.hive.metastore.ObjectStore.getPersistenceManager(ObjectStore.java:394)
	at org.apache.hadoop.hive.metastore.ObjectStore.initialize(ObjectStore.java:291)
	at org.apache.hadoop.hive.metastore.ObjectStore.setConf(ObjectStore.java:258)
	at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:73)
	at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
	at org.apache.hadoop.hive.metastore.RawStoreProxy.<init>(RawStoreProxy.java:57)
	at org.apache.hadoop.hive.metastore.RawStoreProxy.getProxy(RawStoreProxy.java:66)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.newRawStore(HiveMetaStore.java:593)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:571)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:624)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:461)
	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.<init>(RetryingHMSHandler.java:66)
	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.getProxy(RetryingHMSHandler.java:72)
	at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5762)
	at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:199)
	at org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.<init>(SessionHiveMetaStoreClient.java:74)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at org.apache.hadoop.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1521)
	at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.<init>(RetryingMetaStoreClient.java:86)
	at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:132)
	at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:104)
	at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:3005)
	at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:3024)
	at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:503)
	at org.apache.spark.sql.hive.client.ClientWrapper.<init>(ClientWrapper.scala:204)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at org.apache.spark.sql.hive.client.IsolatedClientLoader.createClient(IsolatedClientLoader.scala:249)
	at org.apache.spark.sql.hive.HiveContext.metadataHive$lzycompute(HiveContext.scala:327)
	at org.apache.spark.sql.hive.HiveContext.metadataHive(HiveContext.scala:237)
	at org.apache.spark.sql.hive.HiveContext.setConf(HiveContext.scala:441)
	at org.apache.spark.sql.hive.HiveContext.defaultOverrides(HiveContext.scala:226)
	at org.apache.spark.sql.hive.HiveContext.<init>(HiveContext.scala:229)
	at org.apache.spark.sql.hive.HiveContext.<init>(HiveContext.scala:101)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:234)
	at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:381)
	at py4j.Gateway.invoke(Gateway.java:214)
	at py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:79)
	at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:68)
	at py4j.GatewayConnection.run(GatewayConnection.java:209)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.sql.SQLException: Failed to start database 'metastore_db' with class loader org.apache.spark.sql.hive.client.IsolatedClientLoader$$anon$1@62b6f88a, see the next exception for details.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
	... 89 more
Caused by: java.sql.SQLException: Another instance of Derby may have already booted the database /Users/andrewdavidson/workSpace/bigPWSWorkspace/dataScience/notebooks/timeSeriesExperiments/metastore_db.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown Source)
	... 86 more
Caused by: ERROR XSDB6: Another instance of Derby may have already booted the database /Users/andrewdavidson/workSpace/bigPWSWorkspace/dataScience/notebooks/timeSeriesExperiments/metastore_db.
	at org.apache.derby.iapi.error.StandardException.newException(Unknown Source)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.privGetJBMSLockOnDB(Unknown Source)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.getJBMSLockOnDB(Unknown Source)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
	at org.apache.derby.impl.store.raw.RawStore.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
	at org.apache.derby.impl.store.access.RAMAccessManager.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
	at org.apache.derby.impl.db.BasicDatabase.bootStore(Unknown Source)
	at org.apache.derby.impl.db.BasicDatabase.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.bootService(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startProviderService(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.findProviderAndStartService(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startPersistentService(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.startPersistentService(Unknown Source)
	... 86 more
------

	at org.datanucleus.api.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException(NucleusJDOHelper.java:436)
	at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:788)
	at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.createPersistenceManagerFactory(JDOPersistenceManagerFactory.java:333)
	at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:202)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at javax.jdo.JDOHelper$16.run(JDOHelper.java:1965)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.jdo.JDOHelper.invoke(JDOHelper.java:1960)
	at javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1166)
	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:808)
	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:701)
	at org.apache.hadoop.hive.metastore.ObjectStore.getPMF(ObjectStore.java:365)
	at org.apache.hadoop.hive.metastore.ObjectStore.getPersistenceManager(ObjectStore.java:394)
	at org.apache.hadoop.hive.metastore.ObjectStore.initialize(ObjectStore.java:291)
	at org.apache.hadoop.hive.metastore.ObjectStore.setConf(ObjectStore.java:258)
	at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:73)
	at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
	at org.apache.hadoop.hive.metastore.RawStoreProxy.<init>(RawStoreProxy.java:57)
	at org.apache.hadoop.hive.metastore.RawStoreProxy.getProxy(RawStoreProxy.java:66)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.newRawStore(HiveMetaStore.java:593)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:571)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:624)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:461)
	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.<init>(RetryingHMSHandler.java:66)
	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.getProxy(RetryingHMSHandler.java:72)
	at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5762)
	at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:199)
	at org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.<init>(SessionHiveMetaStoreClient.java:74)
	... 34 more
Caused by: java.sql.SQLException: Unable to open a test connection to the given database. JDBC url = jdbc:derby:;databaseName=metastore_db;create=true, username = APP. Terminating connection pool (set lazyInit to true if you expect to start your database after your app). Original Exception: ------
java.sql.SQLException: Failed to start database 'metastore_db' with class loader org.apache.spark.sql.hive.client.IsolatedClientLoader$$anon$1@62b6f88a, see the next exception for details.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.seeNextException(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.bootDatabase(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.<init>(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection40.<init>(Unknown Source)
	at org.apache.derby.jdbc.Driver40.getNewEmbedConnection(Unknown Source)
	at org.apache.derby.jdbc.InternalDriver.connect(Unknown Source)
	at org.apache.derby.jdbc.Driver20.connect(Unknown Source)
	at org.apache.derby.jdbc.AutoloadedDriver.connect(Unknown Source)
	at java.sql.DriverManager.getConnection(DriverManager.java:664)
	at java.sql.DriverManager.getConnection(DriverManager.java:208)
	at com.jolbox.bonecp.BoneCP.obtainRawInternalConnection(BoneCP.java:361)
	at com.jolbox.bonecp.BoneCP.<init>(BoneCP.java:416)
	at com.jolbox.bonecp.BoneCPDataSource.getConnection(BoneCPDataSource.java:120)
	at org.datanucleus.store.rdbms.ConnectionFactoryImpl$ManagedConnectionImpl.getConnection(ConnectionFactoryImpl.java:501)
	at org.datanucleus.store.rdbms.RDBMSStoreManager.<init>(RDBMSStoreManager.java:298)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:631)
	at org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:301)
	at org.datanucleus.NucleusContext.createStoreManagerForProperties(NucleusContext.java:1187)
	at org.datanucleus.NucleusContext.initialise(NucleusContext.java:356)
	at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:775)
	at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.createPersistenceManagerFactory(JDOPersistenceManagerFactory.java:333)
	at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:202)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at javax.jdo.JDOHelper$16.run(JDOHelper.java:1965)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.jdo.JDOHelper.invoke(JDOHelper.java:1960)
	at javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1166)
	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:808)
	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:701)
	at org.apache.hadoop.hive.metastore.ObjectStore.getPMF(ObjectStore.java:365)
	at org.apache.hadoop.hive.metastore.ObjectStore.getPersistenceManager(ObjectStore.java:394)
	at org.apache.hadoop.hive.metastore.ObjectStore.initialize(ObjectStore.java:291)
	at org.apache.hadoop.hive.metastore.ObjectStore.setConf(ObjectStore.java:258)
	at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:73)
	at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
	at org.apache.hadoop.hive.metastore.RawStoreProxy.<init>(RawStoreProxy.java:57)
	at org.apache.hadoop.hive.metastore.RawStoreProxy.getProxy(RawStoreProxy.java:66)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.newRawStore(HiveMetaStore.java:593)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:571)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:624)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:461)
	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.<init>(RetryingHMSHandler.java:66)
	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.getProxy(RetryingHMSHandler.java:72)
	at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5762)
	at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:199)
	at org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.<init>(SessionHiveMetaStoreClient.java:74)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at org.apache.hadoop.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1521)
	at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.<init>(RetryingMetaStoreClient.java:86)
	at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:132)
	at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:104)
	at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:3005)
	at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:3024)
	at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:503)
	at org.apache.spark.sql.hive.client.ClientWrapper.<init>(ClientWrapper.scala:204)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at org.apache.spark.sql.hive.client.IsolatedClientLoader.createClient(IsolatedClientLoader.scala:249)
	at org.apache.spark.sql.hive.HiveContext.metadataHive$lzycompute(HiveContext.scala:327)
	at org.apache.spark.sql.hive.HiveContext.metadataHive(HiveContext.scala:237)
	at org.apache.spark.sql.hive.HiveContext.setConf(HiveContext.scala:441)
	at org.apache.spark.sql.hive.HiveContext.defaultOverrides(HiveContext.scala:226)
	at org.apache.spark.sql.hive.HiveContext.<init>(HiveContext.scala:229)
	at org.apache.spark.sql.hive.HiveContext.<init>(HiveContext.scala:101)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:234)
	at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:381)
	at py4j.Gateway.invoke(Gateway.java:214)
	at py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:79)
	at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:68)
	at py4j.GatewayConnection.run(GatewayConnection.java:209)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.sql.SQLException: Failed to start database 'metastore_db' with class loader org.apache.spark.sql.hive.client.IsolatedClientLoader$$anon$1@62b6f88a, see the next exception for details.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
	... 89 more
Caused by: java.sql.SQLException: Another instance of Derby may have already booted the database /Users/andrewdavidson/workSpace/bigPWSWorkspace/dataScience/notebooks/timeSeriesExperiments/metastore_db.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown Source)
	... 86 more
Caused by: ERROR XSDB6: Another instance of Derby may have already booted the database /Users/andrewdavidson/workSpace/bigPWSWorkspace/dataScience/notebooks/timeSeriesExperiments/metastore_db.
	at org.apache.derby.iapi.error.StandardException.newException(Unknown Source)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.privGetJBMSLockOnDB(Unknown Source)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.getJBMSLockOnDB(Unknown Source)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
	at org.apache.derby.impl.store.raw.RawStore.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
	at org.apache.derby.impl.store.access.RAMAccessManager.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
	at org.apache.derby.impl.db.BasicDatabase.bootStore(Unknown Source)
	at org.apache.derby.impl.db.BasicDatabase.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.bootService(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startProviderService(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.findProviderAndStartService(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startPersistentService(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.startPersistentService(Unknown Source)
	... 86 more
------

	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at com.jolbox.bonecp.PoolUtil.generateSQLException(PoolUtil.java:192)
	at com.jolbox.bonecp.BoneCP.<init>(BoneCP.java:422)
	at com.jolbox.bonecp.BoneCPDataSource.getConnection(BoneCPDataSource.java:120)
	at org.datanucleus.store.rdbms.ConnectionFactoryImpl$ManagedConnectionImpl.getConnection(ConnectionFactoryImpl.java:501)
	at org.datanucleus.store.rdbms.RDBMSStoreManager.<init>(RDBMSStoreManager.java:298)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:631)
	at org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:301)
	at org.datanucleus.NucleusContext.createStoreManagerForProperties(NucleusContext.java:1187)
	at org.datanucleus.NucleusContext.initialise(NucleusContext.java:356)
	at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:775)
	... 63 more
Caused by: java.sql.SQLException: Failed to start database 'metastore_db' with class loader org.apache.spark.sql.hive.client.IsolatedClientLoader$$anon$1@62b6f88a, see the next exception for details.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.seeNextException(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.bootDatabase(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.<init>(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection40.<init>(Unknown Source)
	at org.apache.derby.jdbc.Driver40.getNewEmbedConnection(Unknown Source)
	at org.apache.derby.jdbc.InternalDriver.connect(Unknown Source)
	at org.apache.derby.jdbc.Driver20.connect(Unknown Source)
	at org.apache.derby.jdbc.AutoloadedDriver.connect(Unknown Source)
	at java.sql.DriverManager.getConnection(DriverManager.java:664)
	at java.sql.DriverManager.getConnection(DriverManager.java:208)
	at com.jolbox.bonecp.BoneCP.obtainRawInternalConnection(BoneCP.java:361)
	at com.jolbox.bonecp.BoneCP.<init>(BoneCP.java:416)
	... 75 more
Caused by: java.sql.SQLException: Failed to start database 'metastore_db' with class loader org.apache.spark.sql.hive.client.IsolatedClientLoader$$anon$1@62b6f88a, see the next exception for details.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
	... 89 more
Caused by: java.sql.SQLException: Another instance of Derby may have already booted the database /Users/andrewdavidson/workSpace/bigPWSWorkspace/dataScience/notebooks/timeSeriesExperiments/metastore_db.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown Source)
	... 86 more
Caused by: ERROR XSDB6: Another instance of Derby may have already booted the database /Users/andrewdavidson/workSpace/bigPWSWorkspace/dataScience/notebooks/timeSeriesExperiments/metastore_db.
	at org.apache.derby.iapi.error.StandardException.newException(Unknown Source)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.privGetJBMSLockOnDB(Unknown Source)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.getJBMSLockOnDB(Unknown Source)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
	at org.apache.derby.impl.store.raw.RawStore.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
	at org.apache.derby.impl.store.access.RAMAccessManager.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
	at org.apache.derby.impl.db.BasicDatabase.bootStore(Unknown Source)
	at org.apache.derby.impl.db.BasicDatabase.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.bootService(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startProviderService(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.findProviderAndStartService(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startPersistentService(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.startPersistentService(Unknown Source)
	... 86 more
In [ ]:
df.withColumn("category", udfScoreToCategory("score")).show(10)
In [ ]: