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Posted to issues@hive.apache.org by "Szehon Ho (Jira)" <ji...@apache.org> on 2022/03/10 18:50:00 UTC

[jira] [Updated] (HIVE-25522) NullPointerException in TxnHandler

     [ https://issues.apache.org/jira/browse/HIVE-25522?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Szehon Ho updated HIVE-25522:
-----------------------------
    Fix Version/s: 3.1.3

> NullPointerException in TxnHandler
> ----------------------------------
>
>                 Key: HIVE-25522
>                 URL: https://issues.apache.org/jira/browse/HIVE-25522
>             Project: Hive
>          Issue Type: Improvement
>          Components: Standalone Metastore
>    Affects Versions: 3.1.2
>            Reporter: Szehon Ho
>            Assignee: Szehon Ho
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.1.3, 4.0.0
>
>          Time Spent: 9h 40m
>  Remaining Estimate: 0h
>
> Environment: Using Iceberg on Hive 3.1.2 standalone metastore.  Iceberg issues a lot of lock() calls for commits.
> We hit randomly a strange NPE that fails Iceberg commits.
> {noformat}
> 2021-08-21T11:08:05,665 ERROR [pool-6-thread-195] metastore.RetryingHMSHandler: java.lang.NullPointerException
> 	at org.apache.hadoop.hive.metastore.txn.TxnHandler.enqueueLockWithRetry(TxnHandler.java:1903)
> 	at org.apache.hadoop.hive.metastore.txn.TxnHandler.lock(TxnHandler.java:1827)
> 	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.lock(HiveMetaStore.java:7217)
> 	at jdk.internal.reflect.GeneratedMethodAccessor52.invoke(Unknown Source)
> 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
> 	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invokeInternal(RetryingHMSHandler.java:147)
> 	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:108)
> 	at com.sun.proxy.$Proxy27.lock(Unknown Source)
> 	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$lock.getResult(ThriftHiveMetastore.java:18111)
> 	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$lock.getResult(ThriftHiveMetastore.java:18095)
> 	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:111)
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:107)
> 	at java.base/java.security.AccessController.doPrivileged(Native Method)
> 	at java.base/javax.security.auth.Subject.doAs(Subject.java:423)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1729)
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor.process(TUGIBasedProcessor.java:119)
> 	at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:286)
> 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> 	at java.base/java.lang.Thread.run(Thread.java:834)
> 2021-08-21T11:08:05,665 ERROR [pool-6-thread-195] server.TThreadPoolServer: Error occurred during processing of message.
> java.lang.NullPointerException: null
> 	at org.apache.hadoop.hive.metastore.txn.TxnHandler.enqueueLockWithRetry(TxnHandler.java:1903) ~[hive-exec-3.1.2.jar:3.1.2]
> 	at org.apache.hadoop.hive.metastore.txn.TxnHandler.lock(TxnHandler.java:1827) ~[hive-exec-3.1.2.jar:3.1.2]
> 	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.lock(HiveMetaStore.java:7217) ~[hive-exec-3.1.2.jar:3.1.2]
> 	at jdk.internal.reflect.GeneratedMethodAccessor52.invoke(Unknown Source) ~[?:?]
> 	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
> 	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
> 	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invokeInternal(RetryingHMSHandler.java:147) ~[hive-exec-3.1.2.jar:3.1.2]
> 	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:108) ~[hive-exec-3.1.2.jar:3.1.2]
> 	at com.sun.proxy.$Proxy27.lock(Unknown Source) ~[?:?]
> 	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$lock.getResult(ThriftHiveMetastore.java:18111) ~[hive-exec-3.1.2.jar:3.1.2]
> 	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$lock.getResult(ThriftHiveMetastore.java:18095) ~[hive-exec-3.1.2.jar:3.1.2]
> 	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39) ~[hive-exec-3.1.2.jar:3.1.2]
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:111) ~[hive-exec-3.1.2.jar:3.1.2]
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:107) ~[hive-exec-3.1.2.jar:3.1.2]
> 	at java.security.AccessController.doPrivileged(Native Method) ~[?:?]
> 	at javax.security.auth.Subject.doAs(Subject.java:423) ~[?:?]
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1729) ~[hadoop-common-3.1.4.jar:?]
> 	at org.apache.hadoop.hive.metastore.TUGIBasedProcessor.process(TUGIBasedProcessor.java:119) ~[hive-exec-3.1.2.jar:3.1.2]
> 	at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:286) [hive-exec-3.1.2.jar:3.1.2]
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
> 	at java.lang.Thread.run(Thread.java:834) [?:?]
> {noformat}
> It seems it's this line, though root cause is not deterined.
> https://github.com/apache/hive/blob/rel/release-3.1.2/standalone-metastore/src/main/java/org/apache/hadoop/hive/metastore/txn/TxnHandler.java#L1903



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