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Posted to dev@hive.apache.org by "Szehon Ho (Jira)" <ji...@apache.org> on 2021/09/15 00:06:00 UTC

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

Szehon Ho created HIVE-25522:
--------------------------------

             Summary: 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


Environment: Using Iceberg on Hive.

Hit a very strange NPE:

```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) [?:?]



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