使用ganymed-ssh2连接linux报错Cannot negotiate, proposals do not match.

报错信息
Caused by: java.io.IOException: There was a problem while talking to 127.0.0.1:22
at ch.ethz.ssh2.Connection.connect(Connection.java:642)
at com.ultrapower.driver.resdriver.transport.SSHProtocol.ini(SSHProtocol.java:94)
… 2 more
Caused by: java.io.IOException: Key exchange was not finished, connection is closed.
at ch.ethz.ssh2.transport.KexManager.getOrWaitForConnectionInfo(KexManager.java:90)
at ch.ethz.ssh2.transport.TransportManager.getConnectionInfo(TransportManager.java:221)
at ch.ethz.ssh2.Connection.connect(Connection.java:603)
… 3 more
Caused by: java.io.IOException: Cannot negotiate, proposals do not match.
at ch.ethz.ssh2.transport.KexManager.handleMessage(KexManager.java:411)
at ch.ethz.ssh2.transport.TransportManager.receiveLoop(TransportManager.java:604)
at ch.ethz.ssh2.transport.TransportManager$1.run(TransportManager.java:315)
at java.lang.Thread.run(Unknown Source)