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https://issues.apache.org/jira/browse/CXF-3750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13087548#comment-13087548
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ext2 commented on CXF-3750:
---------------------------
if the execute sequence as following, every thing is ok. there is no dead
lock;
chain.wait enter
chian.notify invoked
chain.wait return;
chain.resume(); //resume also synchronzed on chain object;
if the execute sequence as following , dead lock will occurs:
chain.wait enter
chain.notify
chain.resume// ..now waiting on chain will blocked until chain.resume
finished(release sync on chain)
chain.wait return;
following dump on console indicate the above sequence:
No DeadLock dump :
--wait begin
--notify all
--wait end
--api chain resume
product service begin Fri Aug 19 12:10:28 CST 2011 //a lone time(10 seconds)
one way business logical begin
product service end Fri Aug 19 12:10:38 CST 2011 .//a lone time(10 seconds)
one way business logical end;
DeadLock Dump:
--wait begin
--notify all
--api chain resume
product service begin Fri Aug 19 12:10:40 CST 2011
product service end Fri Aug 19 12:10:50 CST 2011
--wait end
Until now I am not sure if problem is CXF's or JDK's, or something which I
don't know cause such a deadlock;
I also wrote a simple program to simulate the execute sequnce which causeddead
lock in CXF, but the simple program never dead lock;
> Sometimes, CXF servlet will blocked until bussiness logical finished for
> one-way operation
> ------------------------------------------------------------------------------------------
>
> Key: CXF-3750
> URL: https://issues.apache.org/jira/browse/CXF-3750
> Project: CXF
> Issue Type: Bug
> Environment: CXF2.3.3 windows xp, jdk1.5_22 or jdk1.6_17
> Reporter: ext2
> Priority: Minor
> Attachments: oneway-deadlock.zip
>
>
> sometime,the servlet handle(JettyHTTPHandler) at server side doesn't return
> back to servlet engine(Jetty) immediately, it will waiting until the
> asynchrouse business logical finished;
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