java.lang.IllegalArgumentException: Called DataObject.find on null
   at org.openide.loaders.DataObject.find(DataObject.java:608)
   at org.netbeans.modules.tomcat5.config.TomcatModuleConfiguration.init(TomcatModuleConfiguration.java:146)
   at org.netbeans.modules.tomcat5.config.TomcatModuleConfiguration.<init>(TomcatModuleConfiguration.java:128)
   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)
   at org.netbeans.modules.openide.util.DefaultMutexImplementation.readAccess(DefaultMutexImplementation.java:252)
   at org.openide.util.Mutex.readAccess(Mutex.java:218)
   at org.netbeans.modules.j2ee.deployment.config.ConfigSupportImpl.getModuleConfiguration(ConfigSupportImpl.java:784)
   at org.netbeans.modules.j2ee.deployment.config.ConfigSupportImpl.getDatasources(ConfigSupportImpl.java:409)
   at org.netbeans.modules.j2ee.common.ui.BrokenDatasourceSupport.getBrokenDatasources(BrokenDatasourceSupport.java:156)
   at org.netbeans.modules.javaee.project.api.ant.ui.logicalview.AbstractLogicalViewProvider.hasBrokenDataSource(AbstractLogicalViewProvider.java:885)
   at org.netbeans.modules.javaee.project.api.ant.ui.logicalview.AbstractLogicalViewProvider.access$1000(AbstractLogicalViewProvider.java:133)
   at org.netbeans.modules.javaee.project.api.ant.ui.logicalview.AbstractLogicalViewProvider$5.run(AbstractLogicalViewProvider.java:409)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)