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List:       xmlrpc-user
Subject:    [jira] [Created] (AXIOM-517) Random AXIOM stream errors: Attempted read on closed stream
From:       "Mohan Sri (Jira)" <jira () apache ! org>
Date:       2023-03-30 14:16:00
Message-ID: JIRA.13530813.1680185732000.204303.1680185760053 () Atlassian ! JIRA
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Mohan Sri created AXIOM-517:
-------------------------------

             Summary: Random AXIOM stream errors: Attempted read on closed stream
                 Key: AXIOM-517
                 URL: https://issues.apache.org/jira/browse/AXIOM-517
             Project: Axiom
          Issue Type: Bug
          Components: API
    Affects Versions: 1.4.0
            Reporter: Mohan Sri
         Attachments: TestDetachableInputStream.java

While using AXIS 1.8.2 with the dependency of AXIOM 1.4.0, we see random stream \
errors in Prod when under heavy load. This error terminates the AXIS request with a \
fatal error. Here is the trace:


2023-03-28 17:20:55,732 (pool-4-thread-5) ERROR   [Stub.497]: Error invoking \
                query_info: java.io.IOException: {*}Attempted read on closed \
                stream{*}.
org.apache.axiom.om.OMException: java.io.IOException: Attempted read on closed \
                stream.
            at org.apache.axiom.om.impl.common.factory.meta.DetachableInputStream.detach({*}DetachableInputStream.java:75{*}) \
                ~[axiom-1.4.0.jar:1.4.0]
            at org.apache.axiom.om.impl.common.builder.OMXMLParserWrapperImpl.detach(OMXMLParserWrapperImpl.java:92) \
                ~[axiom-1.4.0.jar:1.4.0]
            at org.apache.axis2.kernel.TransportUtils.detachInputStream(TransportUtils.java:578) \
~[axis2-kernel-1.8.2.jar:1.8.2]

The issue appears to be that when DetachableInputStream is created, it is passed the \
inputstream it doesn't own. So an external thread could potentially close the stream \
before detach is called on this instance. Attached is a driver the generates a stack \
trace similar to the one we are seeing in production. Please run the driver to see \
the error and then modify the driver to have:

TEST_TYPE testType = DETACH_THEN_CLOSE;

Recompile and run again to see the issue doesn't happen with this sequence of detach \
and close.



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