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Current 3.10.1 RC is plagued with a deadlock that happens when a client logs out or some other action that may be triggering this. Below is a snippet of a thread dump
"NioProcessor-6" #81 prio=5 os_prio=0 tid=0x00007f4d14009000 nid=0x3ca2 waiting for monitor entry [0x00007f4df77f5000]
java.lang.Thread.State: BLOCKED (on object monitor)
at org.apache.mina.filter.ssl.SslFilter.filterClose(SslFilter.java:662)
- waiting to lock <0x00000000c15a4108> (a org.apache.mina.filter.ssl.SslHandler)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterClose(DefaultIoFilterChain.java:644)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$9(DefaultIoFilterChain.java:640)
"C2S-Thread-3" #82 daemon prio=5 os_prio=0 tid=0x00007f4c8c001800 nid=0x3ca3 waiting for monitor entry [0x00007f4df76f4000]
java.lang.Thread.State: BLOCKED (on object monitor)
at org.jivesoftware.openfire.nio.NIOConnection.close(NIOConnection.java:221)
- waiting to lock <0x00000000c15b79b8> (a org.jivesoftware.openfire.nio.NIOConnection)
at org.jivesoftware.openfire.nio.NIOConnection.close(NIOConnection.java:212)
at org.jivesoftware.openfire.session.LocalSession.close(LocalSession.java:346)
at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:145)
Current 3.10.1 RC is plagued with a deadlock that happens when a client logs out or some other action that may be triggering this. Below is a snippet of a thread dump
"NioProcessor-6" #81 prio=5 os_prio=0 tid=0x00007f4d14009000 nid=0x3ca2 waiting for monitor entry [0x00007f4df77f5000] java.lang.Thread.State: BLOCKED (on object monitor) at org.apache.mina.filter.ssl.SslFilter.filterClose(SslFilter.java:662) - waiting to lock <0x00000000c15a4108> (a org.apache.mina.filter.ssl.SslHandler) at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterClose(DefaultIoFilterChain.java:644) at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$9(DefaultIoFilterChain.java:640) "C2S-Thread-3" #82 daemon prio=5 os_prio=0 tid=0x00007f4c8c001800 nid=0x3ca3 waiting for monitor entry [0x00007f4df76f4000] java.lang.Thread.State: BLOCKED (on object monitor) at org.jivesoftware.openfire.nio.NIOConnection.close(NIOConnection.java:221) - waiting to lock <0x00000000c15b79b8> (a org.jivesoftware.openfire.nio.NIOConnection) at org.jivesoftware.openfire.nio.NIOConnection.close(NIOConnection.java:212) at org.jivesoftware.openfire.session.LocalSession.close(LocalSession.java:346) at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:145)While googling around, I found this: https://issues.apache.org/jira/browse/DIRMINA-1012
Which has an interesting comment that the sslFilter needs to come before the threaded Executor. dwd made a patch and testing looks good so far!
https://github.com/dwd/Openfire/commit/202f85381e3a70c245c7fa38898e140e225cfea7