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https://issues.apache.org/jira/browse/HBASE-25981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaolin Ha resolved HBASE-25981.
--------------------------------
Fix Version/s: 2.4.5
2.3.6
2.5.0
3.0.0-alpha-1
Resolution: Fixed
Pushed to master and branch-2.3+.
Thanks [~zhangduo] for reviewing.
> JVM crash when displaying regionserver UI
> -----------------------------------------
>
> Key: HBASE-25981
> URL: https://issues.apache.org/jira/browse/HBASE-25981
> Project: HBase
> Issue Type: Bug
> Components: rpc, UI
> Affects Versions: 3.0.0-alpha-1, 2.0.0
> Reporter: Xiaolin Ha
> Assignee: Xiaolin Ha
> Priority: Major
> Fix For: 3.0.0-alpha-1, 2.5.0, 2.3.6, 2.4.5
>
> Attachments: hs_err_pid116190.log-gha-data-hbase-cat0085-ui
>
>
> The MonitoredRPCHandlerImpl refers to the params of a request, and will show
> them when we call 'toJson()'. But the running RPC call may be cleaned up and
> the ByteBuffer be released before the displaying in UI. We need to let the
> life cycle of RPC status monitor be inner the life cycle of RPC.
> {code:java}
> J 19267 C2
> org.apache.hbase.thirdparty.com.google.protobuf.TextFormat$Printer.printMessage(Lorg/apache/hbase/thirdparty/com/google/protobuf/MessageOrBuilder;Lorg/apache/hbase/thirdparty/com/google/protobuf/TextFormat$TextGenerator;)V
> (73 bytes) @ 0x00007f1ac7e54640 [0x00007f1ac7e53f60+0x6e0]
> J 20932 C2
> org.apache.hbase.thirdparty.com.google.protobuf.TextFormat$Printer.print(Lorg/apache/hbase/thirdparty/com/google/protobuf/MessageOrBuilder;Lorg/apache/hbase/thirdparty/com/google/protobuf/TextFormat$TextGenerator;)V
> (34 bytes) @ 0x00007f1ac68ab9b0 [0x00007f1ac68ab880+0x130]
> J 21843 C1
> org.apache.hbase.thirdparty.com.google.protobuf.AbstractMessage.toString()Ljava/lang/String;
> (8 bytes) @ 0x00007f1ac620e14c [0x00007f1ac620dba0+0x5ac]
> J 21835 C1
> org.apache.hadoop.hbase.monitoring.MonitoredRPCHandlerImpl.toMap()Ljava/util/Map;
> (240 bytes) @ 0x00007f1ac5009bf4 [0x00007f1ac50071c0+0x2a34]
> J 21833 C1
> org.apache.hadoop.hbase.monitoring.MonitoredRPCHandlerImpl.toJSON()Ljava/lang/String;
> (5 bytes) @ 0x00007f1ac74efb74 [0x00007f1ac74efaa0+0xd4]
> j
> org.apache.hadoop.hbase.tmpl.common.TaskMonitorTmplImpl.renderNoFlush(Ljava/io/Writer;)V+259
> j
> org.apache.hadoop.hbase.tmpl.common.TaskMonitorTmpl.renderNoFlush(Ljava/io/Writer;)V+16
> j
> org.apache.hadoop.hbase.tmpl.regionserver.RSStatusTmplImpl.renderNoFlush(Ljava/io/Writer;)V+129
> {code}
> [^hs_err_pid116190.log-gha-data-hbase-cat0085-ui]
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