Mohan Sri created AXIOM-517:
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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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