Oliver Stöneberg created SSHD-610:
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Summary: 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: Bug
Reporter: Oliver Stöneberg
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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