Hi All,
  I am getting the below exception, when my client retries connecting to
the ssh server. Please can anyone help me understand why this happens or
how i can i get out of this situation?


Feb 19, 2015 4:42:21 PM org.apache.sshd.server.session.ServerSession <init>
INFO: Server session created from /100.x.x.x:60031
Feb 19, 2015 4:42:21 PM org.apache.sshd.common.session.AbstractSession
negotiate
INFO: Kex: server->client blowfish-cbc hmac-md5-96 none
Feb 19, 2015 4:42:21 PM org.apache.sshd.common.session.AbstractSession
negotiate
INFO: Kex: client->server blowfish-cbc hmac-md5-96 none
Feb 19, 2015 4:42:21 PM net.juniper.deviceSim.SimPasswordAuthenticator
authenticate
INFO: Authenticating Session from/100.x.x.x:60031 User: root
Feb 19, 2015 4:42:21 PM
org.apache.sshd.server.session.ServerUserAuthService process
INFO: Session root@/10.204.244.158:60031 authenticated
Feb 19, 2015 4:42:21 PM org.apache.sshd.common.session.AbstractSession
exceptionCaught
WARNING: Exception caught
java.lang.IllegalStateException: Unsupported command: 50
at
org.apache.sshd.common.session.AbstractConnectionService.process(AbstractConnectionService.java:178)
at
org.apache.sshd.common.session.AbstractSession.doHandleMessage(AbstractSession.java:405)
at
org.apache.sshd.common.session.AbstractSession.handleMessage(AbstractSession.java:301)
at
org.apache.sshd.common.session.AbstractSession.decode(AbstractSession.java:738)
at
org.apache.sshd.common.session.AbstractSession.messageReceived(AbstractSession.java:283)
at
org.apache.sshd.common.AbstractSessionIoHandler.messageReceived(AbstractSessionIoHandler.java:54)
at
org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:184)
at
org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:170)
at
org.apache.sshd.common.io.nio2.Nio2CompletionHandler$1.run(Nio2CompletionHandler.java:32)
at java.security.AccessController.doPrivileged(Native Method)
at
org.apache.sshd.common.io.nio2.Nio2CompletionHandler.completed(Nio2CompletionHandler.java:30)
at sun.nio.ch.Invoker.invokeUnchecked(Unknown Source)
at sun.nio.ch.Invoker$2.run(Unknown Source)
at sun.nio.ch.AsynchronousChannelGroupImpl$1.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

Thanks & Regards,
Sendilraj P

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