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https://issues.apache.org/jira/browse/SSHD-610?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Work on SSHD-610 started by Goldstein Lyor.
-------------------------------------------
> Disconnect reason should be propagated as error message
> -------------------------------------------------------
>
> Key: SSHD-610
> URL: https://issues.apache.org/jira/browse/SSHD-610
> Project: MINA SSHD
> Issue Type: Improvement
> Reporter: Oliver Stöneberg
> Assignee: Goldstein Lyor
> Priority: Minor
>
> While connecting to a server I get the following error
> org.apache.sshd.common.SshException: Session is closed -
> at org.apache.sshd.client.session.ClientUserAuthService.preClose() in
> ClientUserAuthService.java:244.
> at org.apache.sshd.common.util.closeable.AbstractCloseable.close() in
> AbstractCloseable.java:68.
> at org.apache.sshd.common.util.closeable.ParallelCloseable.doClose() in
> ParallelCloseable.java:65.
> at org.apache.sshd.common.util.closeable.SimpleCloseable.close() in
> SimpleCloseable.java:52.
> at
> org.apache.sshd.common.util.closeable.SequentialCloseable$1.operationComplete()
> in SequentialCloseable.java:56.
> at
> org.apache.sshd.common.util.closeable.SequentialCloseable$1.operationComplete()
> in SequentialCloseable.java:46.
> at org.apache.sshd.common.util.closeable.SequentialCloseable.doClose() in
> SequentialCloseable.java:69.
> at org.apache.sshd.common.util.closeable.SimpleCloseable.close() in
> SimpleCloseable.java:52.
> at
> org.apache.sshd.common.util.closeable.AbstractInnerCloseable.doCloseImmediately()
> in AbstractInnerCloseable.java:47.
> at org.apache.sshd.common.util.closeable.AbstractCloseable.close() in
> AbstractCloseable.java:69.
> at org.apache.sshd.common.session.AbstractSession.handleDisconnect() in
> AbstractSession.java:498.
> at org.apache.sshd.common.session.AbstractSession.doHandleMessage() in
> AbstractSession.java:420.
> at org.apache.sshd.common.session.AbstractSession.handleMessage() in
> AbstractSession.java:394.
> at org.apache.sshd.client.session.ClientSessionImpl.handleMessage() in
> ClientSessionImpl.java:248.
> at org.apache.sshd.common.session.AbstractSession.decode() in
> AbstractSession.java:1010.
> at org.apache.sshd.common.session.AbstractSession.messageReceived() in
> AbstractSession.java:374.
> at org.apache.sshd.common.session.AbstractSessionIoHandler.messageReceived()
> in AbstractSessionIoHandler.java:59.
> at org.apache.sshd.common.io.nio2.Nio2Session$2.onCompleted() in
> Nio2Session.java:225.
> at org.apache.sshd.common.io.nio2.Nio2Session$2.onCompleted() in
> Nio2Session.java:217.
> at org.apache.sshd.common.io.nio2.Nio2CompletionHandler$1.run() in
> Nio2CompletionHandler.java:37.
> at java.security.AccessController.doPrivileged() in AccessController.java:-2.
> at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.completed() in
> Nio2CompletionHandler.java:34.
> at sun.nio.ch.Invoker.invokeUnchecked() in Invoker.java:126.
> at sun.nio.ch.Invoker$2.run() in Invoker.java:218.
> at sun.nio.ch.AsynchronousChannelGroupImpl$1.run() in
> AsynchronousChannelGroupImpl.java:112.
> at java.util.concurrent.ThreadPoolExecutor.runWorker() in
> ThreadPoolExecutor.java:1142.
> at java.util.concurrent.ThreadPoolExecutor$Worker.run() in
> ThreadPoolExecutor.java:617.
> at java.lang.Thread.run() in Thread.java:745.
> The actual error can be found in the log:
> DEBUG [sshd-SshClient[48c40605]-nio2-thread-1]
> (ClientUserAuthService.java:234)
> tryNext(ClientSessionImpl[root@/10.48.43.215:22]) attempting
> method=keyboard-interactive
> DEBUG [sshd-SshClient[48c40605]-nio2-thread-1]
> (UserAuthKeyboardInteractive.java:110)
> process(root@ClientSessionImpl[root@/10.48.43.215:22])[ssh-connection] Send
> SSH_MSG_USERAUTH_REQUEST for keyboard-interactive
> TRACE [sshd-SshClient[48c40605]-nio2-thread-1] (AbstractSession.java:862)
> encode(ClientSessionImpl[root@/10.48.43.215:22]) Sending packet #5: 32 00 00
> 00 04 72 6f 6f 74 00 00 00 0e 73 73 68 2d 63 6f 6e 6e 65 63 74 69 6f 6e 00 00
> 00 14 6b 65 79 62 6f 61 72 64 2d 69 6e 74 65 72 61 63 74 69 76 65 00 00 00 00
> 00 00 00 00
> DEBUG [sshd-SshClient[48c40605]-nio2-thread-1] (Nio2Session.java:114) Writing
> 100 bytes
> DEBUG [sshd-SshClient[48c40605]-nio2-thread-4] (Nio2Session.java:274)
> Finished writing
> DEBUG [sshd-SshClient[48c40605]-nio2-thread-5] (Nio2Session.java:223) Read 84
> bytes
> TRACE [sshd-SshClient[48c40605]-nio2-thread-5] (AbstractSession.java:1003)
> decode(ClientSessionImpl[root@/10.48.43.215:22]) Received packet #6: 33 00 00
> 00 27 70 75 62 6c 69 63 6b 65 79 2c 70 61 73 73 77 6f 72 64 2c 6b 65 79 62 6f
> 61 72 64 2d 69 6e 74 65 72 61 63 74 69 76 65 00
> TRACE [sshd-SshClient[48c40605]-nio2-thread-5] (AbstractSession.java:415)
> doHandleMessage(ClientSessionImpl[root@/10.48.43.215:22]) process
> SSH_MSG_USERAUTH_FAILURE
> DEBUG [sshd-SshClient[48c40605]-nio2-thread-5]
> (ClientUserAuthService.java:181)
> processUserAuth(ClientSessionImpl[root@/10.48.43.215:22]) Received
> SSH_MSG_USERAUTH_FAILURE - partial=false,
> methods=publickey,password,keyboard-interactive
> repeats a few time
> TRACE [sshd-SshClient[48c40605]-nio2-thread-6] (AbstractSession.java:415)
> doHandleMessage(ClientSessionImpl[root@/10.48.43.215:22]) process
> SSH_MSG_DISCONNECT
> DEBUG [sshd-SshClient[48c40605]-nio2-thread-6] (AbstractSession.java:495)
> handleDisconnect(ClientSessionImpl[root@/10.48.43.215:22]) SSH_MSG_DISCONNECT
> reason=SSH2_DISCONNECT_PROTOCOL_ERROR, [lang=] msg=Too many authentication
> failures
> The disconnect reason should be propogated as the actual error message.
> I am using 28faad4 of master.
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