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https://issues.apache.org/jira/browse/HADOOP-4262?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated HADOOP-4262:
-----------------------------------
Fix Version/s: 0.20.0
Status: Patch Available (was: Open)
This patch changes the failure message to be the classname if there is no
message in the exception itself:
[sf-startdaemon-debug] Caused by: java.io.IOException: Call to
localhost/127.0.0.1:8012 failed on local exception: java.io.EOFException
[sf-startdaemon-debug] at org.apache.hadoop.ipc.Client.call(Client.java:699)
[sf-startdaemon-debug] at
org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:216)
[sf-startdaemon-debug] at
org.apache.hadoop.mapred.$Proxy6.getJobProfile(Unknown Source)
[sf-startdaemon-debug] 08/09/24 15:43:13 [IPC Server handler 6 on 8012] INFO
ipc.Server : IPC Server handler 6 on 8012: exiting
[sf-startdaemon-debug] 08/09/24 15:43:13 [IPC Server handler 1 on 8012] INFO
ipc.Server : IPC Server handler 1 on 8012: exiting
[sf-startdaemon-debug] 08/09/24 15:43:13 [IPC Server handler 0 on 8012] INFO
ipc.Server : IPC Server handler 0 on 8012: exiting
[sf-startdaemon-debug] at
org.apache.hadoop.mapred.JobClient$NetworkedJob.<init>(JobClient.java:179)
[sf-startdaemon-debug] at
org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:828)
[sf-startdaemon-debug] at
org.smartfrog.services.hadoop.components.submitter.SubmitterImpl.sfStart(SubmitterImpl.java:104)
[sf-startdaemon-debug] ... 11 more
[sf-startdaemon-debug] Caused by: java.io.EOFException
[sf-startdaemon-debug] at
java.io.DataInputStream.readInt(DataInputStream.java:375)
[sf-startdaemon-debug] at
org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:493)
[sf-startdaemon-debug] at
org.apache.hadoop.ipc.Client$Connection.run(Client.java:438)
There's no test. It may make sense to extract this exception-to-text operation
into a utils class where it could be reused and tested trivially.
> message generated when the client exception has a null message is not useful
> ----------------------------------------------------------------------------
>
> Key: HADOOP-4262
> URL: https://issues.apache.org/jira/browse/HADOOP-4262
> Project: Hadoop Core
> Issue Type: Bug
> Components: ipc
> Affects Versions: 0.19.0, 0.20.0
> Reporter: Steve Loughran
> Priority: Minor
> Fix For: 0.20.0
>
> Attachments: hadoop-4262.patch
>
>
> This was created by HADOOP-3844; if the exception doesn't have a meaningful
> message, the output isn't that informative :
> java.io.IOException: Call to localhost/127.0.0.1:8012 failed on local
> exception: null
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