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Build: NetBeans IDE 6.8 (Build 200912041610) VM: Java HotSpot(TM) 64-Bit Server VM, 16.3-b01, Java(TM) SE Runtime Environment, 1.6.0_20-b02 OS: Linux User Comments: crv: after an ubuntu upgrade (don't know if there is a link) migrating my app from glassfish 2 to JBoss 5, I had very often compilation not working with message "too many files open" and so NB can't open my java files. when I was running JBoss from NB there were many errors so I was just bulding in NB and then coping the ear to jboss deploy. when "too many files opened" appear on compilation, I was closing NB and running it again. several time I saw 2 Main running with jps after 1 long day working in these conditions, nothing worked anymore. So I rename netbean install folder, and install it again. Then I had this exception Stacktrace: java.lang.NullPointerException at com.googlecode.ivybeans.module.lookup.LookupProviderImpl.createAdditionalLookup(LookupProviderImpl.java:55) at org.netbeans.spi.project.support.LookupProviderSupport$DelegatingLookupImpl.doDelegate(LookupProviderSupport.java:184) at org.netbeans.spi.project.support.LookupProviderSupport$DelegatingLookupImpl.<init>(LookupProviderSupport.java:130) at org.netbeans.spi.project.support.LookupProviderSupport$DelegatingLookupImpl.<init>(LookupProviderSupport.java:118) at org.netbeans.spi.project.support.LookupProviderSupport.createCompositeLookup(LookupProviderSupport.java:89) at org.netbeans.modules.j2ee.ejbjarproject.EjbJarProject.createLookup(EjbJarProject.java:462)
Created attachment 99914 [details] stacktrace