Failing to launch a process results in socket time out exception as below.
Notice the wrong Java path (configuration mistake) — this is on Windows.

[hk2] $ /usr/local/java1.5/bin/java -cp
/tmp/maven-agent.jar;C:\development\maven\boot\classworlds-1.1.jar
hudson.maven.agent.Main C:\development\maven "C:\Documents and
Settings\kohsuke\Application
Data\Sun\Java\Deployment\cache\6.0\16\7277ad10-275f25e2"
/tmp/maven-interceptor.jar 1107

ERROR: Failed to parse POMs

java.net.SocketTimeoutException: Accept timed out

at java.net.PlainSocketImpl.socketAccept(Native Method)

at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)

at java.net.ServerSocket.implAccept(ServerSocket.java:453)

at java.net.ServerSocket.accept(ServerSocket.java:421)

at
hudson.maven.MavenProcessFactory$SocketHandler$AcceptorImpl.accept(MavenProcessFactory.java:143)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at
hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:240)

at
hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:223)

at
hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:183)

at hudson.remoting.UserRequest.perform(UserRequest.java:69)

at hudson.remoting.UserRequest.perform(UserRequest.java:23)

at hudson.remoting.Request$2.run(Request.java:213)

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)

at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)

at java.util.concurrent.FutureTask.run(FutureTask.java:138)

at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)

at hudson.remoting.Engine$1$1.run(Engine.java:29)

at java.lang.Thread.run(Thread.java:619)

finished: FAILURE