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SoftwareAG / ganymed-ssh-2

Ganymed SSH-2 for Java is a library which implements the SSH-2 protocol in pure Java.
http://www.ganymed.ethz.ch/ssh2/
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openssh 8.8p1 have problem #2

Closed spacexnasa closed 2 years ago

spacexnasa commented 3 years ago

hello, we met a problem,we upgrade our openssh server to 8.8p1,then display this error message

java.io.IOException: There was a problem while connecting to 192.168.110.171:22 ch.ethz.ssh2.Connection.connect(Connection.java:699) com.tianque.datagroup.dataplatform.odps.util.LinuxSshUtil.callShellCommand(LinuxSshUtil.java:70) com.tianque.datagroup.dataplatform.odps.taskflowengine.work.impl.ShellWorkNodeAction.execute(ShellWorkNodeAction.java:81) com.tianque.datagroup.dataplatform.odps.taskflowengine.work.impl.AbstractWorkNodeAction.doAction(AbstractWorkNodeAction.java:86) com.tianque.datagroup.dataplatform.odps.taskflowengine.service.impl.CodeWorkNodeServiceImpl.lambda$executeDebugAndGenerateLog$54(CodeWorkNodeServiceImpl.java:182) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) java.lang.Thread.run(Thread.java:748)

    at com.tianque.datagroup.dataplatform.odps.util.LinuxSshUtil.callShellCommand(LinuxSshUtil.java:93)
    at com.tianque.datagroup.dataplatform.odps.taskflowengine.work.impl.ShellWorkNodeAction.execute(ShellWorkNodeAction.java:81)
    ... 5 more

Caused by: java.io.IOException: There was a problem while connecting to 192.168.110.171:22 at ch.ethz.ssh2.Connection.connect(Connection.java:699) at com.tianque.datagroup.dataplatform.odps.util.LinuxSshUtil.callShellCommand(LinuxSshUtil.java:70) ... 6 more Caused by: java.io.IOException: Key exchange was not finished, connection is closed. at ch.ethz.ssh2.transport.KexManager.getOrWaitForConnectionInfo(KexManager.java:91) at ch.ethz.ssh2.transport.TransportManager.getConnectionInfo(TransportManager.java:229) at ch.ethz.ssh2.Connection.connect(Connection.java:655) ... 7 more Caused by: java.io.IOException: Cannot negotiate, proposals do not match. at ch.ethz.ssh2.transport.KexManager.handleMessage(KexManager.java:412) at ch.ethz.ssh2.transport.TransportManager.receiveLoop(TransportManager.java:753) at ch.ethz.ssh2.transport.TransportManager$1.run(TransportManager.java:468) ... 1 more

no matching host key type found. Their offer: ssh-rsa i checked the openssh website (https://www.openssh.com/legacy.html) and change the config file,still can not work. hope check and fix.

many thanks.

spacexnasa commented 2 years ago

KexAlgorithms diffie-hellman-group1-sha1,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group-exchange-sha256,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group1-sha1,curve25519-sha256@libssh.org