[FALCON-2095] Hive Replication jobs are failing with UnknownHostException in NN HA

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: trunk
• Fix Version/s: trunk
• Component/s: replication
• Assignee: Venkat Ranganathan
• Reporter: Murali Ramasami
• Created: 22/Jul/16 06:59
• Updated: 27/Jul/16 20:23
• Resolved: 27/Jul/16 20:23

Description

In NN HA, when I schedule a hive replication replication, it is failing with "java.net.UnknownHostException: mycluster1". In the error message primary is the source cluster Nameservice. Please see the complete stack trace.

LogType:stderr
Log Upload Time:Thu Jul 21 14:35:52 +0000 2016
LogLength:7406
Log Contents:
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/grid/0/hadoop/yarn/local/filecache/267/slf4j-log4j12-1.6.6.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/grid/0/hadoop/yarn/local/filecache/40/mapreduce.tar.gz/hadoop/share/hadoop/common/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
Error: java.lang.IllegalArgumentException: java.net.UnknownHostException: mycluster1
        at org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:411)
        at org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:429)
        at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.initialize(WebHdfsFileSystem.java:207)
        at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2736)
        at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:99)
        at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2770)
        at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2752)
        at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:386)
        at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:179)
        at org.apache.falcon.hive.util.EventUtils.initializeFS(EventUtils.java:145)
        at org.apache.falcon.hive.mapreduce.CopyMapper.setup(CopyMapper.java:50)
        at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:143)
        at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:787)
        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
        at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:168)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:422)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1724)
        at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:162)
Caused by: java.net.UnknownHostException: mycluster1
        ... 19 more

PrimaryCluster:

<cluster xmlns="uri:falcon:cluster:0.1" colo="USWestOregon" description="oregonHadoopCluster" name="primaryCluster">
<interfaces>
<interface type="readonly" endpoint="webhdfs://mycluster1:20070" version="0.20.2"/>
<interface type="write" endpoint="hdfs://mycluster1:8020" version="0.20.2"/>
<interface type="execute" endpoint="mramasami-falcon-multi-ha-re-13.openstacklocal:8050" version="0.20.2"/>
<interface type="workflow" endpoint="http://mramasami-falcon-multi-ha-re-12.openstacklocal:11000/oozie" version="3.1"/>
<interface type="messaging" endpoint="tcp://mramasami-falcon-multi-ha-re-11.openstacklocal:61616?daemon=true" version="5.1.6"/>
<interface type="registry" endpoint="thrift://mramasami-falcon-multi-ha-re-12.openstacklocal:9083" version="0.11.0"/>
</interfaces>
<locations>
<location name="staging" path="/tmp/falcon-regression/staging"/>
<location name="temp" path="/tmp"/>
<location name="working" path="/tmp/falcon-regression/working"/>
</locations>
<ACL owner="hrt_qa" group="users" permission="0755"/>
<properties>
<property name="dfs.namenode.kerberos.principal" value="nn/[e-mail]"/>
<property name="hive.metastore.kerberos.principal" value="hive/[e-mail]"/>
<property name="hive.metastore.sasl.enabled" value="true"/>
<property name="hadoop.rpc.protection" value="authentication"/>
<property name="hive.metastore.uris" value="thrift://mramasami-falcon-multi-ha-re-12.openstacklocal:9083"/>
<property name="hive.server2.uri" value="hive2://mramasami-falcon-multi-ha-re-12.openstacklocal:10000"/>
</properties>
</cluster>

BackupCluster:

<cluster xmlns="uri:falcon:cluster:0.1" colo="USWestOregon" description="oregonHadoopCluster" name="backupCluster">
<interfaces>
<interface type="readonly" endpoint="webhdfs://mycluster2:20070" version="0.20.2"/>
<interface type="write" endpoint="hdfs://mycluster2:8020" version="0.20.2"/>
<interface type="execute" endpoint="mramasami-falcon-multi-ha-re-5.openstacklocal:8050" version="0.20.2"/>
<interface type="workflow" endpoint="http://mramasami-falcon-multi-ha-re-7.openstacklocal:11000/oozie" version="3.1"/>
<interface type="messaging" endpoint="tcp://mramasami-falcon-multi-ha-re-2.openstacklocal:61616" version="5.1.6"/>
<interface type="registry" endpoint="thrift://mramasami-falcon-multi-ha-re-7.openstacklocal:9083" version="0.11.0"/>
</interfaces>
<locations>
<location name="staging" path="/tmp/falcon-regression/staging"/>
<location name="temp" path="/tmp"/>
<location name="working" path="/tmp/falcon-regression/working"/>
</locations>
<ACL owner="hrt_qa" group="users" permission="0755"/>
<properties>
<property name="dfs.namenode.kerberos.principal" value="nn/[e-mail]"/>
<property name="hive.metastore.kerberos.principal" value="hive/[e-mail]"/>
<property name="hive.metastore.sasl.enabled" value="true"/>
<property name="hadoop.rpc.protection" value="authentication"/>
<property name="hive.metastore.uris" value="thrift://mramasami-falcon-multi-ha-re-7.openstacklocal:9083"/>
<property name="hive.server2.uri" value="hive2://mramasami-falcon-multi-ha-re-7.openstacklocal:10000"/>
</properties>
</cluster>

Hive Property File:

jobClusterName = primaryCluster
jobValidityStart=2016-05-09T06:25Z
jobValidityEnd=2016-05-09T08:00Z
jobFrequency = days(1)
sourceCluster = primaryCluster
sourceDatabases = default
sourceHiveServer2Uri = hive2://mramasami-falcon-multi-ha-re-12.openstacklocal:10000
targetCluster = backupCluster
targetHiveServer2Uri = hive2://mramasami-falcon-multi-ha-re-7.openstacklocal:10000
jobAclOwner = hrt_qa
jobAclGroup = users
jobAclPermission = *
distcpMapBandwidth = 100
extensionName = hive-mirroring
sourceStagingPath = /tmp/falcon-regression/staging
targetStagingPath = /tmp/falcon-regression/staging
sourceTables = stock_data_hivedr
sourceHive2KerberosPrincipal = hive/[e-mail]
targetHive2KerberosPrincipal = hive/[e-mail]