ERROR: Unexpected error in launching an agent. This is probably a bug in Jenkins
java.lang.NullPointerException
	at java.lang.ProcessEnvironment.validateValue(ProcessEnvironment.java:120)
	at java.lang.ProcessEnvironment.access$400(ProcessEnvironment.java:61)
	at java.lang.ProcessEnvironment$Value.valueOf(ProcessEnvironment.java:203)
	at java.lang.ProcessEnvironment$StringEnvironment.put(ProcessEnvironment.java:243)
	at java.lang.ProcessEnvironment$StringEnvironment.put(ProcessEnvironment.java:221)
	at hudson.slaves.CommandLauncher.launch(CommandLauncher.java:130)
	at hudson.plugins.ec2.ssh.EC2UnixLauncher.launchScript(EC2UnixLauncher.java:253)
	at hudson.plugins.ec2.EC2ComputerLauncher.launch(EC2ComputerLauncher.java:48)
	at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:297)
	at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)
	at jenkins.security.ImpersonatingExecutorService$2.call(ImpersonatingExecutorService.java:71)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

INFO: Launching remoting agent (via Trilead SSH2 Connection):  java  -jar /tmp/remoting.jar -workDir /tmp
<===[JENKINS REMOTING CAPACITY]===>Remoting version: 3.33
This is a Unix agent
ERROR: Unexpected error in launching an agent. This is probably a bug in Jenkins
java.lang.NullPointerException
	at hudson.Util.isRelativePath(Util.java:351)
	at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:649)
	at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:435)
	at hudson.plugins.ec2.ssh.EC2UnixLauncher.launchScript(EC2UnixLauncher.java:263)
	at hudson.plugins.ec2.EC2ComputerLauncher.launch(EC2ComputerLauncher.java:48)
	at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:297)
	at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)
	at jenkins.security.ImpersonatingExecutorService$2.call(ImpersonatingExecutorService.java:71)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
ERROR: Connection terminated
java.io.EOFException
	at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2681)
	at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:3156)
	at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:862)
	at java.io.ObjectInputStream.<init>(ObjectInputStream.java:358)
	at hudson.remoting.ObjectInputStreamEx.<init>(ObjectInputStreamEx.java:49)
	at hudson.remoting.Command.readFrom(Command.java:140)
	at hudson.remoting.Command.readFrom(Command.java:126)
	at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:36)
	at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:63)
Caused: java.io.IOException: Unexpected termination of the channel
	at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:77)