java full version "1.6.0_24-b24"
Copying slave.jar
ERROR: Error during SCP transfer.
java.io.IOException: Error during SCP transfer.
	at com.trilead.ssh2.SCPClient.put(SCPClient.java:523)
	at com.trilead.ssh2.SCPClient.put(SCPClient.java:476)
	at hudson.plugins.ec2.ssh.EC2UnixLauncher.launch(EC2UnixLauncher.java:126)
	at hudson.plugins.ec2.EC2ComputerLauncher.launch(EC2ComputerLauncher.java:57)
	at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:200)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:636)
Caused by: java.io.IOException: Remote scp terminated unexpectedly.
	at com.trilead.ssh2.SCPClient.readResponse(SCPClient.java:50)
	at com.trilead.ssh2.SCPClient.sendBytes(SCPClient.java:140)
	at com.trilead.ssh2.SCPClient.put(SCPClient.java:519)
	... 9 more

ct 24, 2012 6:06:43 AM hudson.slaves.NodeProvisioner update
WARNING: Provisioned slave Jenkins Slaves (ami-4afe4623) failed to launch
java.util.concurrent.ExecutionException: java.io.IOException: Slave failed to connect, even though the launcher didn't report it. See the log output for details.
	at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
	at java.util.concurrent.FutureTask.get(FutureTask.java:111)
	at hudson.plugins.ec2.EC2Cloud$1.call(EC2Cloud.java:253)
	at hudson.plugins.ec2.EC2Cloud$1.call(EC2Cloud.java:239)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:636)
Caused by: java.io.IOException: Slave failed to connect, even though the launcher didn't report it. See the log output for details.
	at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:221)
	... 5 more