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From "Emmanuel Lecharny (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DIRMINA-995) Deadlock when using SSL and proxy
Date Sun, 09 Nov 2014 10:36:33 GMT

    [ https://issues.apache.org/jira/browse/DIRMINA-995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14203873#comment-14203873
] 

Emmanuel Lecharny commented on DIRMINA-995:
-------------------------------------------

Have you tried with 2.0.9 ?

> Deadlock when using SSL and proxy
> ---------------------------------
>
>                 Key: DIRMINA-995
>                 URL: https://issues.apache.org/jira/browse/DIRMINA-995
>             Project: MINA
>          Issue Type: Bug
>          Components: Filter
>    Affects Versions: 2.0.7
>         Environment: JRE 1.6, Linux
>            Reporter: yzb81
>
> I write a SSL client to connect server through SOCKS5 proxy, then meet a deadlock.
> Maybe the reason of deadlock is I write data to a IoSession in my main thread, but now
this session is reading data from socket.
> Found one Java-level deadlock:
> =============================
> "NioProcessor-7":
>   waiting to lock monitor 0x0940a8a8 (object 0x98732818, a org.apache.mina.filter.ssl.SslHandler),
>   which is held by "Thread-102"
> "Thread-102":
>   waiting to lock monitor 0x09e8128c (object 0x9873d750, a org.apache.mina.proxy.handlers.socks.Socks5LogicHandler),
>   which is held by "NioProcessor-7"
> Java stack information for the threads listed above:
> ===================================================
> "NioProcessor-7":
> 	at org.apache.mina.filter.ssl.SslFilter.filterWrite(SslFilter.java:576)
> 	- waiting to lock <0x98732818> (a org.apache.mina.filter.ssl.SslHandler)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:482)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1400(DefaultIoFilterChain.java:47)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.filterWrite(DefaultIoFilterChain.java:775)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.filterWrite(DefaultIoFilterChain.java:705)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:482)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireFilterWrite(DefaultIoFilterChain.java:475)
> 	at org.apache.mina.core.session.AbstractIoSession.write(AbstractIoSession.java:494)
> 	at org.apache.mina.core.session.AbstractIoSession.write(AbstractIoSession.java:439)
> 	at xxx.xxxProxyHandler.messageReceived(xxxProxyHandler.java:74)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:690)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765)
> 	at org.apache.mina.filter.ssl.SslHandler.flushScheduledEvents(SslHandler.java:322)
> 	at org.apache.mina.filter.ssl.SslFilter.messageReceived(SslFilter.java:497)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765)
> 	at org.apache.mina.proxy.filter.ProxyFilter.messageReceived(ProxyFilter.java:153)
> 	- locked <0x9873d750> (a org.apache.mina.proxy.handlers.socks.Socks5LogicHandler)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765)
> 	at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:109)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:410)
> 	at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:710)
> 	at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:664)
> 	at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:653)
> 	at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$600(AbstractPollingIoProcessor.java:67)
> 	at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1124)
> 	at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> 	at java.lang.Thread.run(Unknown Source)
> "Thread-102":
> 	at org.apache.mina.proxy.filter.ProxyFilter.writeData(ProxyFilter.java:209)
> 	- waiting to lock <0x9873d750> (a org.apache.mina.proxy.handlers.socks.Socks5LogicHandler)
> 	at org.apache.mina.proxy.filter.ProxyFilter.filterWrite(ProxyFilter.java:192)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:482)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1400(DefaultIoFilterChain.java:47)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.filterWrite(DefaultIoFilterChain.java:775)
> 	at org.apache.mina.filter.ssl.SslHandler.flushScheduledEvents(SslHandler.java:316)
> 	- locked <0x98732818> (a org.apache.mina.filter.ssl.SslHandler)
> 	at org.apache.mina.filter.ssl.SslFilter.filterWrite(SslFilter.java:609)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:482)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1400(DefaultIoFilterChain.java:47)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.filterWrite(DefaultIoFilterChain.java:775)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.filterWrite(DefaultIoFilterChain.java:705)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:482)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireFilterWrite(DefaultIoFilterChain.java:475)
> 	at org.apache.mina.core.session.AbstractIoSession.write(AbstractIoSession.java:494)
> 	at org.apache.mina.core.session.AbstractIoSession.write(AbstractIoSession.java:439)
> 	at xxx.run(xxx.java:219)
> 	at java.lang.Thread.run(Unknown Source)



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