Details
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Bug
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Status: Closed
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Major
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Resolution: Fixed
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None
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None
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None
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Reviewed
Description
Pig is using htrace-2.0 while hadoop-2.6.0 is using 3.0.4. htrace 3.04 has refactor its package layout which is total incompatible with htrace 2.0
Exception in thread "main" java.lang.NoClassDefFoundError: org/htrace/Trace at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:214) at com.sun.proxy.$Proxy9.getFileInfo(Unknown Source) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:752) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187) at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102) at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source) at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1988) at org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:1118) at org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:1114) at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1114) at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1400) at org.apache.pig.backend.hadoop.datastorage.HDataStorage.isContainer(HDataStorage.java:200) at org.apache.pig.backend.hadoop.datastorage.HDataStorage.asElement(HDataStorage.java:128) at org.apache.pig.backend.hadoop.datastorage.HDataStorage.asElement(HDataStorage.java:138) at org.apache.pig.parser.QueryParserUtils.getCurrentDir(QueryParserUtils.java:91) at org.apache.pig.parser.LogicalPlanBuilder.buildLoadOp(LogicalPlanBuilder.java:910) at org.apache.pig.parser.LogicalPlanGenerator.load_clause(LogicalPlanGenerator.java:3569) at org.apache.pig.parser.LogicalPlanGenerator.op_clause(LogicalPlanGenerator.java:1626) at org.apache.pig.parser.LogicalPlanGenerator.general_statement(LogicalPlanGenerator.java:1103) at org.apache.pig.parser.LogicalPlanGenerator.statement(LogicalPlanGenerator.java:561) at org.apache.pig.parser.LogicalPlanGenerator.query(LogicalPlanGenerator.java:422) at org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:191) at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1735) at org.apache.pig.PigServer$Graph.access$0(PigServer.java:1722) at org.apache.pig.PigServer.parseAndBuild(PigServer.java:387) at org.apache.pig.PigServer.executeBatch(PigServer.java:412) at org.apache.pig.PigServer.executeBatch(PigServer.java:398) at pig.PigExample.main(PigExample.java:59) Caused by: java.lang.ClassNotFoundException: org.htrace.Trace at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:425) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ... 33 more