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Created attachment 103330 [details] Netbeans ThreadDump 1- Created a JavaEE6 maven project. 2- Open project properties "Framework tab". 3- Select "Java Server Faces" and components lib "primefaces" 4- Save project properties. The dialog windows "writing project properties" hanged and never closed till I've kill the process.
I think dupe of some open issue.
the relevant code is no longer present in the current codebase: "AWT-EventQueue-1" prio=6 tid=0x0a994000 nid=0x1c64 waiting for monitor entry [0x0b98d000] java.lang.Thread.State: BLOCKED (on object monitor) at org.netbeans.modules.xml.xam.AbstractModel.rollbackTransaction(AbstractModel.java:434) - waiting to lock <0x1e1a80b0> (a org.netbeans.modules.maven.model.pom.impl.POMModelImpl) at org.netbeans.modules.maven.customizer.CustomizerProviderImpl$OptionListener$1.run(CustomizerProviderImpl.java:285) The pom file is now saved in non-awt thread and avoids a lengthy xam transaction (and doesn't need to be rollbacked now).
*** This bug has been marked as a duplicate of bug 207463 ***