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java.io.IOException: Publickey authentication failed. at com.trilead.ssh2.auth.AuthenticationManager.authenticatePublicKey(AuthenticationManager.java:264) at com.trilead.ssh2.Connection.authenticateWithPublicKey(Connection.java:445) at hudson.plugins.ec2.ssh.EC2UnixLauncher.bootstrap(EC2UnixLauncher.java:187) at hudson.plugins.ec2.ssh.EC2UnixLauncher.launch(EC2UnixLauncher.java:77) at hudson.plugins.ec2.EC2ComputerLauncher.launch(EC2ComputerLauncher.java:80) at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:230) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:724)Caused by: java.io.IOException: The connection is closed. at com.trilead.ssh2.auth.AuthenticationManager.deQueue(AuthenticationManager.java:79) at com.trilead.ssh2.auth.AuthenticationManager.getNextMessage(AuthenticationManager.java:102) at com.trilead.ssh2.auth.AuthenticationManager.authenticatePublicKey(AuthenticationManager.java:239) ... 10 moreCaused by: java.io.IOException: Peer sent DISCONNECT message (reason code 2): Too many authentication failures for spacecurve at com.trilead.ssh2.transport.TransportManager.receiveLoop(TransportManager.java:750) at com.trilead.ssh2.transport.TransportManager$1.run(TransportManager.java:475) ... 1 more