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https://issues.apache.org/jira/browse/HADOOP-16868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17039734#comment-17039734
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Hudson commented on HADOOP-16868:
---------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #17966 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/17966/])
HADOOP-16868. ipc.Server readAndProcess threw NullPointerException. (weichiu: 
rev cb3f3cca01d6ab9f4befb1bcd31f384c37c0231a)
* (edit) 
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java


> ipc.Server readAndProcess threw NullPointerException
> ----------------------------------------------------
>
>                 Key: HADOOP-16868
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16868
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: rpc-server
>            Reporter: Tsz-wo Sze
>            Assignee: Tsz-wo Sze
>            Priority: Major
>             Fix For: 3.3.0, 3.1.4, 3.2.2, 2.10.1
>
>         Attachments: c16868_20200218.patch
>
>
> {code}
> 2020-01-18 10:19:02,109 INFO org.apache.hadoop.ipc.Server: Socket Reader #1 
> for port 8020: readAndProcess from client xx.xx.xx.xx threw exception 
> [java.lang.NullPointerException]
> java.lang.NullPointerException
>       at 
> org.apache.hadoop.ipc.Server$Connection.readAndProcess(Server.java:1676)
>       at org.apache.hadoop.ipc.Server$Listener.doRead(Server.java:935)
>       at 
> org.apache.hadoop.ipc.Server$Listener$Reader.doRunLoop(Server.java:791)
>       at org.apache.hadoop.ipc.Server$Listener$Reader.run(Server.java:762)
> {code}



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