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Build: NetBeans IDE Dev (Build nbms-and-javadoc-993-on-20131202) VM: Java HotSpot(TM) 64-Bit Server VM, 24.51-b03, Java(TM) SE Runtime Environment, 1.7.0_51-b13 OS: Linux User Comments: marfous: Invoked run immediately after the IDE start (before the project was openned/scanned Stacktrace: java.lang.IllegalStateException: Instance registered without UI. No common instance available. at org.netbeans.modules.j2ee.deployment.plugins.api.CommonServerBridge.getCommonInstance(CommonServerBridge.java:96) at org.netbeans.modules.tomcat5.optional.StartTomcat$StartRunnable.run(StartTomcat.java:404) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)
Created attachment 146273 [details] stacktrace
*** Bug 237314 has been marked as a duplicate of this bug. ***
Is the problem reproducible for you? It is not for me so I can only make a blind fix.
Sorry, it is not. According to the count of reports it happens only few times per release.