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https://issues.apache.org/jira/browse/HIVE-28369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17866020#comment-17866020
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Denys Kuzmenko commented on HIVE-28369:
---------------------------------------
Merged to master
Thanks for the fix [~seonggon]!
> LLAP proactive eviction fails with NullPointerException
> -------------------------------------------------------
>
> Key: HIVE-28369
> URL: https://issues.apache.org/jira/browse/HIVE-28369
> Project: Hive
> Issue Type: Bug
> Reporter: Seonggon Namgung
> Assignee: Seonggon Namgung
> Priority: Major
> Labels: pull-request-available
>
> When hive.llap.io.encode.enabled is false, LLAP proactive eviction fails with
> NullPointerException as follows:
> {code:java}
> java.lang.NullPointerException: null
> at
> org.apache.hadoop.hive.llap.io.api.impl.LlapIoImpl.evictEntity(LlapIoImpl.java:313)
> ~[hive-llap-server-4.1.0-SNAPSHOT.jar:4.1.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.llap.daemon.impl.LlapProtocolServerImpl.evictEntity(LlapProtocolServerImpl.java:365)
> ~[hive-llap-server-4.1.0-SNAPSHOT.jar:4.1.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.llap.daemon.rpc.LlapDaemonProtocolProtos$LlapManagementProtocol$2.callBlockingMethod(LlapDaemonProtocolProtos.java:33214)
> ~[hive-exec-4.1.0-SNAPSHOT.jar:4.1.0-SNAPSHOT]
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server.processCall(ProtobufRpcEngine.java:484)
> ~[hadoop-common-3.3.6.jar:?]
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:595)
> ~[hadoop-common-3.3.6.jar:?]
> ...{code}
>
> In fact, 3 caches used by LlapIoImpl.evictEntity() may be null or throw
> UnsupportedOperationException, so we should check whether it is safe to call
> markBuffersForProactiveEviction() or not.
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