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This happens only for the case that I call JavaDataObject.suspendSupports before I call method DataObject.getCookie(SourceCookie.class). If I swap both calls then the NPE is not thrown. This is the stacktrace: java.lang.NullPointerException at org.netbeans.modules.java.JavaDataObject.suspendSupports(JavaDataObject.java:549 ) at com.sun.forte4j.persistence.internal.generator.MappingSpace$CreateDataObject.run (MappingSpace.java:494) at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:69) at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:366) at com.sun.forte4j.persistence.internal.generator.MappingSpace.writeClass(MappingSp ace.java:439) at com.sun.forte4j.persistence.internal.generator.MappingSpace.writeClasses(Mapping Space.java:385) at com.sun.forte4j.persistence.internal.generator.MappingSpace.save(MappingSpace.ja va:188) at com.sun.forte4j.persistence.internal.ui.modules.dbgen.wizard.GeneratorPort.save( GeneratorPort.java:318) at com.sun.forte4j.persistence.internal.ui.modules.dbgen.wizard.GenerateJavaWizard$ 1.run(GenerateJavaWizard.java:187) at com.sun.forte4j.persistence.internal.ui.modules.dbgen.wizard.ConsolePane$Worker. run(ConsolePane.java:387) at java.lang.Thread.run(Thread.java:484)
Fixed in dev trunk
[010616] Verified
Resolved for 3.4.x or earlier, no new info since then -> closing.