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https://issues.apache.org/jira/browse/DERBY-5347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13151808#comment-13151808
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Kathey Marsden commented on DERBY-5347:
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I checked in the fix for this issue after making the change suggested by Knut.
I could not come up with a test case to make accept just fail and not block in
my environment. I tried restricting accept permission but was surprised to find
this only caused the client to be rejected and not the accept call to fail.
Does anyone have ideas for a test case I can check in or even a manual test I
could run on Windows or Linux (or even z/OS without administrator privs?
Force Rs, would you be able to test the fix with trunk in a test environment?
Unfortunately, I can't post a 10.8 patch right now as I picked a bad time to
install svn and am suffering from this svn diff hang issue:
http://subversion.open.collab.net/ds/viewMessage.do?dsForumId=4&dsMessageId=434074
I'll work to get a different svn if it doesn't get fixed soon.
> Derby loops filling logs and consuming all CPU with repeated error:
> java.net.SocketException: EDC5122I Input/output error.
> --------------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-5347
> URL: https://issues.apache.org/jira/browse/DERBY-5347
> Project: Derby
> Issue Type: Bug
> Affects Versions: 10.7.1.1
> Environment: java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build pmz31devifx-20100215
> (SR11 FP1 ))
> IBM J9 VM (build 2.3, J2RE 1.5.0 IBM J9 2.3 z/OS s390-31
> j9vmmz3123ifx-20100127a (JIT enabled)
> J9VM - 20100122_52103_bHdSMr
> JIT - 20091016_1845ifx1_r8
> GC - 20091026_AA)
> JCL - 20100215
> Reporter: Force Rs
> Assignee: Kathey Marsden
> Attachments: derby-5347_diff.txt
>
>
> When a TCP/IP Stack on a z/OS system running Derby is stopped and started,
> Derby loops with the following stack trace repeated until disk space is
> exhausted on the logging file system:
> Wed Jul 20 07:49:51 CDT 2011 : EDC5122I Input/output error.
> java.net.SocketException: EDC5122I Input/output error.
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:457)
> at java.net.ServerSocket.implAccept(ServerSocket.java:473)
> at java.net.ServerSocket.accept(ServerSocket.java:444)
> at org.apache.derby.impl.drda.ClientThread$1.run(Unknown Source)
> at
> java.security.AccessController.doPrivileged(AccessController.java:241)
> at org.apache.derby.impl.drda.ClientThread.run(Unknown Source)
> The derby log we generated was 498 megabytes and had 1,883,750 of these stack
> traces.
> Since Derby originated from IBM, the following link may provide a valuable
> clue as to how to fix the defect in Derby:
> http://www-01.ibm.com/support/docview.wss?uid=swg1PQ93090
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