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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