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Karaf crash with java.lang.OutOfMemoryError #2

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Karaf crash with java.lang.OutOfMemoryError#2
@fno2010

Description

@fno2010
fno2010
opened on Sep 11, 2016

SSH test will make karaf crash with "java.lang.OutOfMemoryError", when the plugin running for a long time:

2016-09-11 19:25:07,959 | INFO  | d]-nio2-thread-8 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Server session created from /192.168.1.122:52145
2016-09-11 19:25:07,962 | INFO  | d]-nio2-thread-5 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Kex: server->client aes128-ctr hmac-sha1 none
2016-09-11 19:25:07,962 | INFO  | d]-nio2-thread-5 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Kex: client->server aes128-ctr hmac-sha1 none
2016-09-11 19:25:16,144 | INFO  | d]-nio2-thread-2 | ServerUserAuthService            | 28 - org.apache.sshd.core - 0.12.0 | Session karaf@/192.168.1.122:52145 authenticated
2016-09-11 19:25:18,016 | INFO  | d]-nio2-thread-5 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Server session created from /192.168.1.122:52150
2016-09-11 19:25:18,788 | INFO  | d]-nio2-thread-5 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Kex: server->client aes128-ctr hmac-sha1 none
2016-09-11 19:25:18,789 | INFO  | d]-nio2-thread-5 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Kex: client->server aes128-ctr hmac-sha1 none
2016-09-11 19:27:21,947 | INFO  | ]-timer-thread-1 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Disconnecting: Session has timed out waiting for authentication after 120000 ms.
2016-09-11 19:27:35,665 | INFO  | ]-timer-thread-1 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Disconnecting: Session has timed out waiting for authentication after 120000 ms.
2016-09-11 19:30:07,297 | INFO  | d]-nio2-thread-5 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Server session created from /192.168.1.122:52155
2016-09-11 19:30:07,743 | INFO  | d]-nio2-thread-5 | Nio2Session                      | 28 - org.apache.sshd.core - 0.12.0 | Exception handler threw exception, closing the session
java.lang.IllegalStateException: No session available
    at org.apache.sshd.common.AbstractSessionIoHandler.exceptionCaught(AbstractSessionIoHandler.java:49)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Session.exceptionCaught(Nio2Session.java:126)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Session.access$500(Nio2Session.java:47)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Session$2.onFailed(Nio2Session.java:230)
    at org.apache.sshd.common.io.nio2.Nio2CompletionHandler$2.run(Nio2CompletionHandler.java:41)
    at java.security.AccessController.doPrivileged(Native Method)[:1.8.0_77]
    at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.failed(Nio2CompletionHandler.java:39)[28:org.apache.sshd.core:0.12.0]
    at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:128)[:1.8.0_77]
    at sun.nio.ch.Invoker.invokeDirect(Invoker.java:157)[:1.8.0_77]
    at sun.nio.ch.UnixAsynchronousSocketChannelImpl.implWrite(UnixAsynchronousSocketChannelImpl.java:736)[:1.8.0_77]
    at sun.nio.ch.AsynchronousSocketChannelImpl.write(AsynchronousSocketChannelImpl.java:382)[:1.8.0_77]
    at sun.nio.ch.AsynchronousSocketChannelImpl.write(AsynchronousSocketChannelImpl.java:399)[:1.8.0_77]
    at java.nio.channels.AsynchronousSocketChannel.write(AsynchronousSocketChannel.java:577)[:1.8.0_77]
    at org.apache.sshd.common.io.nio2.Nio2Session.startWriting(Nio2Session.java:212)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Session.write(Nio2Session.java:115)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.session.AbstractSession.doWritePacket(AbstractSession.java:508)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.session.AbstractSession.writePacket(AbstractSession.java:495)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.session.AbstractSession.sendKexInit(AbstractSession.java:856)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.server.session.ServerSession.sendKexInit(ServerSession.java:128)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.server.session.ServerSession.<init>(ServerSession.java:60)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.server.session.SessionFactory.doCreateSession(SessionFactory.java:43)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.session.AbstractSessionFactory.createSession(AbstractSessionFactory.java:38)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.AbstractSessionIoHandler.sessionCreated(AbstractSessionIoHandler.java:36)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Acceptor$AcceptCompletionHandler.onCompleted(Nio2Acceptor.java:127)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Acceptor$AcceptCompletionHandler.onCompleted(Nio2Acceptor.java:108)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2CompletionHandler$1.run(Nio2CompletionHandler.java:32)
    at java.security.AccessController.doPrivileged(Native Method)[:1.8.0_77]
    at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.completed(Nio2CompletionHandler.java:30)[28:org.apache.sshd.core:0.12.0]
    at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126)[:1.8.0_77]
    at sun.nio.ch.Invoker$2.run(Invoker.java:218)[:1.8.0_77]
    at sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112)[:1.8.0_77]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[:1.8.0_77]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[:1.8.0_77]
    at java.lang.Thread.run(Thread.java:745)[:1.8.0_77]
Caused by: java.io.IOException: Broken pipe
    at sun.nio.ch.FileDispatcherImpl.write0(Native Method)[:1.8.0_77]
    at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47)[:1.8.0_77]
    at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)[:1.8.0_77]
    at sun.nio.ch.IOUtil.write(IOUtil.java:65)[:1.8.0_77]
    at sun.nio.ch.UnixAsynchronousSocketChannelImpl.implWrite(UnixAsynchronousSocketChannelImpl.java:691)[:1.8.0_77]
    ... 24 more
2016-09-11 19:30:18,123 | INFO  | d]-nio2-thread-1 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Server session created from /192.168.1.122:52162
2016-09-11 19:30:20,819 | INFO  | d]-nio2-thread-1 | Nio2Session                      | 28 - org.apache.sshd.core - 0.12.0 | Exception handler threw exception, closing the session
java.lang.IllegalStateException: No session available
    at org.apache.sshd.common.AbstractSessionIoHandler.exceptionCaught(AbstractSessionIoHandler.java:49)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Session.exceptionCaught(Nio2Session.java:126)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Session.access$500(Nio2Session.java:47)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Session$2.onFailed(Nio2Session.java:230)
    at org.apache.sshd.common.io.nio2.Nio2CompletionHandler$2.run(Nio2CompletionHandler.java:41)
    at java.security.AccessController.doPrivileged(Native Method)[:1.8.0_77]
    at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.failed(Nio2CompletionHandler.java:39)[28:org.apache.sshd.core:0.12.0]
    at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:128)[:1.8.0_77]
    at sun.nio.ch.Invoker.invokeDirect(Invoker.java:157)[:1.8.0_77]
    at sun.nio.ch.UnixAsynchronousSocketChannelImpl.implWrite(UnixAsynchronousSocketChannelImpl.java:736)[:1.8.0_77]
    at sun.nio.ch.AsynchronousSocketChannelImpl.write(AsynchronousSocketChannelImpl.java:382)[:1.8.0_77]
    at sun.nio.ch.AsynchronousSocketChannelImpl.write(AsynchronousSocketChannelImpl.java:399)[:1.8.0_77]
    at java.nio.channels.AsynchronousSocketChannel.write(AsynchronousSocketChannel.java:577)[:1.8.0_77]
    at org.apache.sshd.common.io.nio2.Nio2Session.startWriting(Nio2Session.java:212)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Session.write(Nio2Session.java:115)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.session.AbstractSession.doWritePacket(AbstractSession.java:508)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.session.AbstractSession.writePacket(AbstractSession.java:495)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.session.AbstractSession.sendKexInit(AbstractSession.java:856)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.server.session.ServerSession.sendKexInit(ServerSession.java:128)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.server.session.ServerSession.<init>(ServerSession.java:60)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.server.session.SessionFactory.doCreateSession(SessionFactory.java:43)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.session.AbstractSessionFactory.createSession(AbstractSessionFactory.java:38)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.AbstractSessionIoHandler.sessionCreated(AbstractSessionIoHandler.java:36)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Acceptor$AcceptCompletionHandler.onCompleted(Nio2Acceptor.java:127)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Acceptor$AcceptCompletionHandler.onCompleted(Nio2Acceptor.java:108)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2CompletionHandler$1.run(Nio2CompletionHandler.java:32)
    at java.security.AccessController.doPrivileged(Native Method)[:1.8.0_77]
    at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.completed(Nio2CompletionHandler.java:30)[28:org.apache.sshd.core:0.12.0]
    at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126)[:1.8.0_77]
    at sun.nio.ch.Invoker$2.run(Invoker.java:218)[:1.8.0_77]
    at sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112)[:1.8.0_77]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[:1.8.0_77]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[:1.8.0_77]
    at java.lang.Thread.run(Thread.java:745)[:1.8.0_77]
Caused by: java.io.IOException: Broken pipe
    at sun.nio.ch.FileDispatcherImpl.write0(Native Method)[:1.8.0_77]
    at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47)[:1.8.0_77]
    at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)[:1.8.0_77]
    at sun.nio.ch.IOUtil.write(IOUtil.java:65)[:1.8.0_77]
    at sun.nio.ch.UnixAsynchronousSocketChannelImpl.implWrite(UnixAsynchronousSocketChannelImpl.java:691)[:1.8.0_77]
    ... 24 more
2016-09-11 19:31:06,190 | INFO  | d]-nio2-thread-1 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Server session created from /192.168.1.122:52165
2016-09-11 19:31:16,715 | INFO  | d]-nio2-thread-1 | Nio2Session                      | 28 - org.apache.sshd.core - 0.12.0 | Exception handler threw exception, closing the session
java.lang.IllegalStateException: No session available
    at org.apache.sshd.common.AbstractSessionIoHandler.exceptionCaught(AbstractSessionIoHandler.java:49)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Session.exceptionCaught(Nio2Session.java:126)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Session.access$500(Nio2Session.java:47)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Session$2.onFailed(Nio2Session.java:230)
    at org.apache.sshd.common.io.nio2.Nio2CompletionHandler$2.run(Nio2CompletionHandler.java:41)
    at java.security.AccessController.doPrivileged(Native Method)[:1.8.0_77]
    at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.failed(Nio2CompletionHandler.java:39)[28:org.apache.sshd.core:0.12.0]
    at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:128)[:1.8.0_77]
    at sun.nio.ch.Invoker.invokeDirect(Invoker.java:157)[:1.8.0_77]
    at sun.nio.ch.UnixAsynchronousSocketChannelImpl.implWrite(UnixAsynchronousSocketChannelImpl.java:736)[:1.8.0_77]
    at sun.nio.ch.AsynchronousSocketChannelImpl.write(AsynchronousSocketChannelImpl.java:382)[:1.8.0_77]
    at sun.nio.ch.AsynchronousSocketChannelImpl.write(AsynchronousSocketChannelImpl.java:399)[:1.8.0_77]
    at java.nio.channels.AsynchronousSocketChannel.write(AsynchronousSocketChannel.java:577)[:1.8.0_77]
    at org.apache.sshd.common.io.nio2.Nio2Session.startWriting(Nio2Session.java:212)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Session.write(Nio2Session.java:115)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.session.AbstractSession.doWritePacket(AbstractSession.java:508)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.session.AbstractSession.writePacket(AbstractSession.java:495)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.session.AbstractSession.sendKexInit(AbstractSession.java:856)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.server.session.ServerSession.sendKexInit(ServerSession.java:128)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.server.session.ServerSession.<init>(ServerSession.java:60)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.server.session.SessionFactory.doCreateSession(SessionFactory.java:43)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.session.AbstractSessionFactory.createSession(AbstractSessionFactory.java:38)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.AbstractSessionIoHandler.sessionCreated(AbstractSessionIoHandler.java:36)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Acceptor$AcceptCompletionHandler.onCompleted(Nio2Acceptor.java:127)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Acceptor$AcceptCompletionHandler.onCompleted(Nio2Acceptor.java:108)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2CompletionHandler$1.run(Nio2CompletionHandler.java:32)
    at java.security.AccessController.doPrivileged(Native Method)[:1.8.0_77]
    at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.completed(Nio2CompletionHandler.java:30)[28:org.apache.sshd.core:0.12.0]
    at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126)[:1.8.0_77]
    at sun.nio.ch.Invoker$2.run(Invoker.java:218)[:1.8.0_77]
    at sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112)[:1.8.0_77]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[:1.8.0_77]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[:1.8.0_77]
    at java.lang.Thread.run(Thread.java:745)[:1.8.0_77]
Caused by: java.io.IOException: Broken pipe
    at sun.nio.ch.FileDispatcherImpl.write0(Native Method)[:1.8.0_77]
    at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47)[:1.8.0_77]
    at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)[:1.8.0_77]
    at sun.nio.ch.IOUtil.write(IOUtil.java:65)[:1.8.0_77]
    at sun.nio.ch.UnixAsynchronousSocketChannelImpl.implWrite(UnixAsynchronousSocketChannelImpl.java:691)[:1.8.0_77]
    ... 24 more
2016-09-11 19:31:36,215 | INFO  | d]-nio2-thread-1 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Server session created from /192.168.1.122:52206
2016-09-11 19:31:39,817 | INFO  | d]-nio2-thread-1 | Nio2Session                      | 28 - org.apache.sshd.core - 0.12.0 | Exception handler threw exception, closing the session
java.lang.IllegalStateException: No session available
    at org.apache.sshd.common.AbstractSessionIoHandler.exceptionCaught(AbstractSessionIoHandler.java:49)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Session.exceptionCaught(Nio2Session.java:126)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Session.access$500(Nio2Session.java:47)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Session$2.onFailed(Nio2Session.java:230)
    at org.apache.sshd.common.io.nio2.Nio2CompletionHandler$2.run(Nio2CompletionHandler.java:41)
    at java.security.AccessController.doPrivileged(Native Method)[:1.8.0_77]
    at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.failed(Nio2CompletionHandler.java:39)[28:org.apache.sshd.core:0.12.0]
    at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:128)[:1.8.0_77]
    at sun.nio.ch.Invoker.invokeDirect(Invoker.java:157)[:1.8.0_77]
    at sun.nio.ch.UnixAsynchronousSocketChannelImpl.implWrite(UnixAsynchronousSocketChannelImpl.java:736)[:1.8.0_77]
    at sun.nio.ch.AsynchronousSocketChannelImpl.write(AsynchronousSocketChannelImpl.java:382)[:1.8.0_77]
    at sun.nio.ch.AsynchronousSocketChannelImpl.write(AsynchronousSocketChannelImpl.java:399)[:1.8.0_77]
    at java.nio.channels.AsynchronousSocketChannel.write(AsynchronousSocketChannel.java:577)[:1.8.0_77]
    at org.apache.sshd.common.io.nio2.Nio2Session.startWriting(Nio2Session.java:212)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Session.write(Nio2Session.java:115)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.session.AbstractSession.doWritePacket(AbstractSession.java:508)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.session.AbstractSession.writePacket(AbstractSession.java:495)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.session.AbstractSession.sendKexInit(AbstractSession.java:856)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.server.session.ServerSession.sendKexInit(ServerSession.java:128)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.server.session.ServerSession.<init>(ServerSession.java:60)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.server.session.SessionFactory.doCreateSession(SessionFactory.java:43)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.session.AbstractSessionFactory.createSession(AbstractSessionFactory.java:38)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.AbstractSessionIoHandler.sessionCreated(AbstractSessionIoHandler.java:36)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Acceptor$AcceptCompletionHandler.onCompleted(Nio2Acceptor.java:127)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2Acceptor$AcceptCompletionHandler.onCompleted(Nio2Acceptor.java:108)[28:org.apache.sshd.core:0.12.0]
    at org.apache.sshd.common.io.nio2.Nio2CompletionHandler$1.run(Nio2CompletionHandler.java:32)
    at java.security.AccessController.doPrivileged(Native Method)[:1.8.0_77]
    at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.completed(Nio2CompletionHandler.java:30)[28:org.apache.sshd.core:0.12.0]
    at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126)[:1.8.0_77]
    at sun.nio.ch.Invoker$2.run(Invoker.java:218)[:1.8.0_77]
    at sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112)[:1.8.0_77]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[:1.8.0_77]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[:1.8.0_77]
    at java.lang.Thread.run(Thread.java:745)[:1.8.0_77]
Caused by: java.io.IOException: Broken pipe
    at sun.nio.ch.FileDispatcherImpl.write0(Native Method)[:1.8.0_77]
    at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47)[:1.8.0_77]
    at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)[:1.8.0_77]
    at sun.nio.ch.IOUtil.write(IOUtil.java:65)[:1.8.0_77]
    at sun.nio.ch.UnixAsynchronousSocketChannelImpl.implWrite(UnixAsynchronousSocketChannelImpl.java:691)[:1.8.0_77]
    ... 24 more
2016-09-11 19:32:07,709 | INFO  | ]-timer-thread-1 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Disconnecting: Session has timed out waiting for authentication after 120000 ms.
2016-09-11 19:32:16,007 | WARN  | d]-nio2-thread-1 | Nio2Acceptor                     | 28 - org.apache.sshd.core - 0.12.0 | Caught exception while accepting incoming connection
java.lang.OutOfMemoryError: Java heap space
2016-09-11 19:32:18,332 | INFO  | ]-timer-thread-1 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Disconnecting: Session has timed out waiting for authentication after 120000 ms.
2016-09-11 19:33:05,482 | INFO  | ]-timer-thread-1 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Disconnecting: Session has timed out waiting for authentication after 120000 ms.
2016-09-11 19:33:37,027 | INFO  | ]-timer-thread-1 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Disconnecting: Session has timed out waiting for authentication after 120000 ms.
2016-09-11 19:57:06,303 | INFO  | ]-timer-thread-1 | ServerSession                    | 28 - org.apache.sshd.core - 0.12.0 | Disconnecting: User session has timed out idling after 1800000 ms.

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