java.util.ConcurrentModificationException

	at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:449)

	at java.util.AbstractList$Itr.next(AbstractList.java:420)

	at org.netbeans.modules.j2ee.deployment.plugins.api.ServerProgress.notify(ServerProgress.java:94)

	at org.netbeans.modules.j2ee.deployment.impl.ServerFileDistributor.setStatusDistributeFailed(ServerFileDistributor.java:322)

	at org.netbeans.modules.j2ee.deployment.impl.ServerFileDistributor._distribute(ServerFileDistributor.java:240)

	at org.netbeans.modules.j2ee.deployment.impl.ServerFileDistributor.distribute(ServerFileDistributor.java:143)

	at org.netbeans.modules.j2ee.deployment.impl.TargetServer.distributeChanges(TargetServer.java:141)

	at org.netbeans.modules.j2ee.deployment.impl.TargetServer.deploy(TargetServer.java:504)

[catch] at org.netbeans.modules.j2ee.deployment.devmodules.api.Deployment.deploy(Deployment.java:125)

	at org.netbeans.modules.j2ee.ant.Deploy.execute(Deploy.java:82)

	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)

	at sun.reflect.GeneratedMethodAccessor97.invoke(Unknown Source)

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

	at java.lang.reflect.Method.invoke(Method.java:585)

	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)

	at org.apache.tools.ant.Task.perform(Task.java:348)

	at org.apache.tools.ant.Target.execute(Target.java:357)

	at org.apache.tools.ant.Target.performTasks(Target.java:385)

	at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)

	at org.apache.tools.ant.Project.executeTarget(Project.java:1298)

	at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)

	at org.apache.tools.ant.Project.executeTargets(Project.java:1181)

	at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:256)

	at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:438)

	at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:129)