6.3. Known Issues for WebHCatalog

Problem: WebHCat is unable to submit Hive jobs when running in secure mode. All Hive operations will fail.

The following error is reported in the Hive log file:

FAILED: Error in metadata: java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.metastore.HiveMetaStoreClient
FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask
templeton: job failed with exit code 1

Problem: Failure to report correct state for the killed job in WebHCatalog.

The following error is reported in the WebHCatalog log file:

\"failureInfo\":\"JobCleanup Task Failure, Task: task_201304012042_0406_m_000002\",\"runState\":3 

Problem: WebHCatalog configuration templeton.libjars property value is incorrect. For more information see AMBARI-2862.

Workaround: Change the value for the property in the /usr/lib/hcatalog/conf/webhcat-site.xml file, as shown below:

<property>     
  <name>templeton.libjars</name>
    <value>/usr/lib/zookeeper/zookeeper.jar,/usr/lib/hcatalog/share/hcatalog/hcatalog-core.jar,/usr/lib/hive/lib/hive-exec-0.11.0.1.3.2.0-97.jar,/usr/lib/hive/lib/hive-metastore-0.11.0.1.3.2.0-97.jar,/usr/lib/hive/lib/libfb303-0.9.0.jar,/usr/lib/hive/lib/libthrift-0.9.0.jar,/usr/lib/hive/lib/jdo2-api-2.3-ec.jar,/usr/lib/hive/lib/slf4j-api-1.6.1.jar,/usr/lib/hcatalog/share/webhcat/svr/lib/antlr-runtime-3.4.jar,/usr/lib/hive/lib/datanucleus-api-jdo-3.0.7.jar,/usr/lib/hive/lib/datanucleus-api-jdo-3.0.7.jar,/usr/lib/hive/lib/datanucleus-core-3.0.9.jar,/usr/lib/hive/lib/datanucleus-enhancer-3.0.1.jar,/usr/lib/hive/lib/datanucleus-rdbms-3.0.8.jar</value>
</property>