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From "Balu Vellanki (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (FALCON-2095) Hive Replication jobs are failing with UnknownHostException in NN HA
Date Wed, 27 Jul 2016 20:24:20 GMT

     [ https://issues.apache.org/jira/browse/FALCON-2095?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Balu Vellanki resolved FALCON-2095.
-----------------------------------
    Resolution: Fixed

Issue resolved by pull request 240
[https://github.com/apache/falcon/pull/240]

> Hive Replication jobs are failing with UnknownHostException in NN HA 
> ---------------------------------------------------------------------
>
>                 Key: FALCON-2095
>                 URL: https://issues.apache.org/jira/browse/FALCON-2095
>             Project: Falcon
>          Issue Type: Bug
>          Components: replication
>    Affects Versions: trunk
>            Reporter: Murali Ramasami
>            Assignee: Venkat Ranganathan
>             Fix For: trunk
>
>
> 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.
> {noformat}
> 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
> {noformat}
> PrimaryCluster:
> {noformat}
> <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/_HOST@EXAMPLE.COM"/>
> <property name="hive.metastore.kerberos.principal" value="hive/_HOST@EXAMPLE.COM"/>
> <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>
> {noformat}
> BackupCluster:
> {noformat}
> <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/_HOST@EXAMPLE.COM"/>
> <property name="hive.metastore.kerberos.principal" value="hive/_HOST@EXAMPLE.COM"/>
> <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>
> {noformat}
> Hive Property File:
> {noformat}
> 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/_HOST@EXAMPLE.COM
> targetHive2KerberosPrincipal = hive/_HOST@EXAMPLE.COM
> {noformat}



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