After upgrade to version 2.58 jenkins cannot start slave ssh agent on solaris host.
Here is the log from Jenkins:
[05/02/17 09:28:18] [SSH] Opening SSH connection to quark:22.
Key exchange was not finished, connection is closed.
java.io.IOException: There was a problem while connecting to quark:22
at com.trilead.ssh2.Connection.connect(Connection.java:834)
at com.trilead.ssh2.Connection.connect(Connection.java:703)
at com.trilead.ssh2.Connection.connect(Connection.java:617)
at hudson.plugins.sshslaves.SSHLauncher.openConnection(SSHLauncher.java:1265)
at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:790)
at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:785)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Key exchange was not finished, connection is closed.
at com.trilead.ssh2.transport.KexManager.getOrWaitForConnectionInfo(KexManager.java:95)
at com.trilead.ssh2.transport.TransportManager.getConnectionInfo(TransportManager.java:237)
at com.trilead.ssh2.Connection.connect(Connection.java:786)
... 9 more
Caused by: java.io.IOException: Cannot read full block, EOF reached.
at com.trilead.ssh2.crypto.cipher.CipherInputStream.getBlock(CipherInputStream.java:81)
at com.trilead.ssh2.crypto.cipher.CipherInputStream.read(CipherInputStream.java:108)
at com.trilead.ssh2.transport.TransportConnection.receiveMessage(TransportConnection.java:232)
at com.trilead.ssh2.transport.TransportManager.receiveLoop(TransportManager.java:706)
at com.trilead.ssh2.transport.TransportManager$1.run(TransportManager.java:502)
... 1 more
[05/02/17 09:28:18] Launch failed - cleaning up connection
[05/02/17 09:28:18] [SSH] Connection closed.
SSH agent on SLES 11 (OpenSSH_6.6.1p1, OpenSSL 0.9.8j-fips 07 Jan 2009) and SLES 12 (OpenSSH_6.6.1p1, OpenSSL 1.0.1i-fips 6 Aug 2014) hosts works without problems.