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Posted to issues@hive.apache.org by "Chaoyu Tang (JIRA)" <ji...@apache.org> on 2016/07/07 02:44:11 UTC
[jira] [Updated] (HIVE-14173) NPE was thrown after enabling
directsql in the middle of session
[ https://issues.apache.org/jira/browse/HIVE-14173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chaoyu Tang updated HIVE-14173:
-------------------------------
Attachment: HIVE-14173.patch
MetaStoreDirectSql is not initialized at the beginning when hive.metastore.try.direct.sql is disabled. But when it is enabled in the middle of the session via set metaconf, we should ensure that it has been initialized in GetHelper before it is used.
> NPE was thrown after enabling directsql in the middle of session
> ----------------------------------------------------------------
>
> Key: HIVE-14173
> URL: https://issues.apache.org/jira/browse/HIVE-14173
> Project: Hive
> Issue Type: Bug
> Components: Metastore
> Reporter: Chaoyu Tang
> Assignee: Chaoyu Tang
> Attachments: HIVE-14173.patch
>
>
> hive.metastore.try.direct.sql is initially set to false in HMS hive-site.xml, then changed to true using set metaconf command in the middle of a session, running a query will be thrown NPE with error message is as following:
> {code}
> 2016-07-06T17:44:41,489 ERROR [pool-5-thread-2]: metastore.RetryingHMSHandler (RetryingHMSHandler.java:invokeInternal(192)) - MetaException(message:java.lang.NullPointerException)
> at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.newMetaException(HiveMetaStore.java:5741)
> at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.rethrowException(HiveMetaStore.java:4771)
> at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.get_partitions_by_expr(HiveMetaStore.java:4754)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invokeInternal(RetryingHMSHandler.java:140)
> at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:99)
> at com.sun.proxy.$Proxy18.get_partitions_by_expr(Unknown Source)
> at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$get_partitions_by_expr.getResult(ThriftHiveMetastore.java:12048)
> at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$get_partitions_by_expr.getResult(ThriftHiveMetastore.java:12032)
> at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
> at org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:110)
> at org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:106)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
> at org.apache.hadoop.hive.metastore.TUGIBasedProcessor.process(TUGIBasedProcessor.java:118)
> at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:286)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> Caused by: java.lang.NullPointerException
> at org.apache.hadoop.hive.metastore.ObjectStore$GetHelper.<init>(ObjectStore.java:2667)
> at org.apache.hadoop.hive.metastore.ObjectStore$GetListHelper.<init>(ObjectStore.java:2825)
> at org.apache.hadoop.hive.metastore.ObjectStore$4.<init>(ObjectStore.java:2410)
> at org.apache.hadoop.hive.metastore.ObjectStore.getPartitionsByExprInternal(ObjectStore.java:2410)
> at org.apache.hadoop.hive.metastore.ObjectStore.getPartitionsByExpr(ObjectStore.java:2400)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at org.apache.hadoop.hive.metastore.RawStoreProxy.invoke(RawStoreProxy.java:101)
> at com.sun.proxy.$Proxy17.getPartitionsByExpr(Unknown Source)
> at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.get_partitions_by_expr(HiveMetaStore.java:4749)
> ... 20 more
> {code}
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