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https://issues.apache.org/jira/browse/SSHD-1203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Susmit Sarkar closed SSHD-1203.
-------------------------------
> [[ssh-dss]] none of the keys appears in supported list
> ------------------------------------------------------
>
> Key: SSHD-1203
> URL: https://issues.apache.org/jira/browse/SSHD-1203
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Susmit Sarkar
> Priority: Blocker
> Fix For: 2.7.0
>
>
> Getting the below exception trace:
> 30 Jul 2021 17:03:50,834 [sshd-SshServer[2bcef5ca](port=22091)-nio2-thread-2]
> DEBUG ServerSessionImpl -
> resolveEmptySignaturesProposal(ServerSessionImpl[null@/127.0.0.1:36117])
> *[[ssh-dss]] none of the keys appears in supported list:
> [[email protected],
> [email protected],
> [email protected], [email protected],
> [email protected], ecdsa-sha2-nistp256, ecdsa-sha2-nistp384,
> ecdsa-sha2-nistp521, [email protected], rsa-sha2-512,
> rsa-sha2-256, ssh-rsa]* 30 Jul 2021 17:03:50,834
> [sshd-SshServer[2bcef5ca](port=22091)-nio2-thread-2] DEBUG ServerSessionImpl
> -
> resolveEmptySignaturesProposal(ServerSessionImpl[null@/127.0.0.1:36117])[[ssh-dss]]
> none of the keys appears in supported list:
> [[email protected],
> [email protected],
> [email protected], [email protected],
> [email protected], ecdsa-sha2-nistp256, ecdsa-sha2-nistp384,
> ecdsa-sha2-nistp521, [email protected], rsa-sha2-512,
> rsa-sha2-256, ssh-rsa]30 Jul 2021 17:03:50,857
> [sshd-SshServer[2bcef5ca](port=22091)-nio2-thread-2] DEBUG Nio2Session -
> handleReadCycleFailure(Nio2Session[local=/127.0.0.1:22091,
> remote=/127.0.0.1:36117]) SshException after 43009671 nanos at read cycle=1:
> sendKexInit() no resolved signatures available30 Jul 2021 17:03:50,857
> [sshd-SshServer[2bcef5ca](port=22091)-nio2-thread-2] DEBUG Nio2Session -
> exceptionCaught(Nio2Session[local=/127.0.0.1:22091, remote=/127.0.0.1:36117])
> caught SshException[sendKexInit() no resolved signatures available] - calling
> handler30 Jul 2021 17:03:50,857
> [sshd-SshServer[2bcef5ca](port=22091)-nio2-thread-2] WARN ServerSessionImpl
> - exceptionCaught(ServerSessionImpl[null@/127.0.0.1:36117])[state=Opened]
> SshException: sendKexInit() no resolved signatures
> availableorg.apache.sshd.common.SshException: sendKexInit() no resolved
> signatures available at
> org.apache.sshd.common.session.helpers.AbstractSession.sendKexInit(AbstractSession.java:2281)
> at
> org.apache.sshd.server.session.AbstractServerSession.readIdentification(AbstractServerSession.java:500)
> at
> org.apache.sshd.common.session.helpers.AbstractSession.messageReceived(AbstractSession.java:383)
> at
> org.apache.sshd.common.session.helpers.AbstractSessionIoHandler.messageReceived(AbstractSessionIoHandler.java:64)
> at
> org.apache.sshd.common.io.nio2.Nio2Session.handleReadCycleCompletion(Nio2Session.java:359)
> at
> org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:336)
> at
> org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:333)
> at
> org.apache.sshd.common.io.nio2.Nio2CompletionHandler.lambda$completed$0(Nio2CompletionHandler.java:38)
> at
> org.apache.sshd.common.io.nio2.Nio2CompletionHandler$$Lambda$913/0000000088B4A540.run(Unknown
> Source) at
> java.security.AccessController.doPrivileged(AccessController.java:678) at
> org.apache.sshd.common.io.nio2.Nio2CompletionHandler.completed(Nio2CompletionHandler.java:37)
> at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:138) at
> sun.nio.ch.Invoker$2.run(Invoker.java:230) at
> sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:124)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1160)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
> at java.lang.Thread.run(Thread.java:822)
> Post upgrade we are seeing this error, looks like ssh-dss is deprecated in
> 2.7.0 but was present in 2.5.1. Can you please help to solve this issue,
> where should we add dss support from code?
> The host identity key used is a dss key, all the test cases are failing as a
> result
>
> Thanks
> Susmit
>
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