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Build: NetBeans IDE Dev (Build 200911230200) VM: Java HotSpot(TM) Client VM, 14.3-b01, Java(TM) SE Runtime Environment, 1.6.0_17-b04 OS: Windows XP, 5.1, x86 Stacktrace: org.netbeans.modules.j2ee.deployment.plugins.api.InstanceCreationException: Instance liferay_2_0:local:D:\opt\glassfish-test:localhost:8088 already registered at org.netbeans.modules.j2ee.deployment.impl.ServerRegistry.checkInstanceAlreadyExists(ServerRegistry.java:276) at org.netbeans.modules.j2ee.deployment.impl.ServerRegistry.addInstance(ServerRegistry.java:358) at org.netbeans.modules.j2ee.deployment.plugins.api.InstanceProperties.createInstanceProperties(InstanceProperties.java:227) at org.netbeans.modules.j2ee.deployment.plugins.api.InstanceProperties.createInstanceProperties(InstanceProperties.java:196) at org.netbeans.modules.portalpack.servers.core.ui.PSInstantiatingIterator.instantiate(PSInstantiatingIterator.java:163) at org.netbeans.modules.j2ee.deployment.impl.bridge.BridgingServerWizardProvider$InstantiatingIteratorBridge.instantiate(BridgingServerWizardProvider.java:97)
Created attachment 91547 [details] stacktrace
Please provide steps to reproduce. Can't reproduce myself.