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This bug was originally marked as duplicate of bug 153286, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 7.4 (Build 201310111528) VM: Java HotSpot(TM) 64-Bit Server VM, 23.25-b01, Java(TM) SE Runtime Environment, 1.7.0_25-b16 OS: Windows 7 User Comments: GUEST: Can not find the web page folder Stacktrace: java.lang.IllegalArgumentException: Called DataObject.find on null at org.openide.loaders.DataObject.find(DataObject.java:551) at org.netbeans.modules.tomcat5.config.TomcatModuleConfiguration.init(TomcatModuleConfiguration.java:136) at org.netbeans.modules.tomcat5.config.TomcatModuleConfiguration.<init>(TomcatModuleConfiguration.java:118) at org.netbeans.modules.tomcat5.config.TomcatModuleConfigurationFactory.create(TomcatModuleConfigurationFactory.java:87) at org.netbeans.modules.j2ee.deployment.config.ConfigSupportImpl$1.run(ConfigSupportImpl.java:802) at org.netbeans.modules.j2ee.deployment.config.ConfigSupportImpl$1.run(ConfigSupportImpl.java:784)
Created attachment 142848 [details] stacktrace
Created attachment 158449 [details] stacktrace Installed JRebel plugin,.. and restarted IDE to finish installation. Plugin got installed and started working. Later on, I restarted my computer entierly (without manually closing NetBeans). When I launched NetBeans next time, exception got thrown.
This bug already has 20 duplicates see http://statistics.netbeans.org/exceptions/detail.do?id=205789
I'm not sure what might be wrong as I'm not able to reproduce this, so at least I have added more logging. web-main 842295bb2a8d & 0361f51c62cd
Integrated into 'main-silver', will be available in build *201605200002* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-silver/rev/842295bb2a8d User: Petr Hejl <phejl@netbeans.org> Log: #239138 - IllegalArgumentException: Called DataObject.find on null