java.lang.NullPointerException
   at org.netbeans.modules.tomcat5.deploy.TomcatManager.distribute(TomcatManager.java:694)
   at org.netbeans.modules.j2ee.deployment.impl.TargetServer.deploy(TargetServer.java:685)
   at org.netbeans.modules.j2ee.deployment.impl.DeployOnSaveManager$DeployTask.notifyServer(DeployOnSaveManager.java:521)
   at org.netbeans.modules.j2ee.deployment.impl.DeployOnSaveManager$DeployTask.run(DeployOnSaveManager.java:452)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
   at java.util.concurrent.FutureTask.run(FutureTask.java:266)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
   at java.lang.Thread.run(Thread.java:744)