java.lang.OutOfMemoryError: GC overhead limit exceeded
   at java.util.Collections$UnmodifiableCollection.iterator(Collections.java:1038)
   at org.openide.util.lookup.ProxyLookup$LazyCollection$1.hasNext(ProxyLookup.java:1249)
   at org.netbeans.spi.project.support.DelegatingLookupImpl.beforeLookup(DelegatingLookupImpl.java:107)
   at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:214)
   at org.openide.util.lookup.SimpleProxyLookup.lookup(SimpleProxyLookup.java:156)
   at org.netbeans.modules.java.project.ProjectClassPathProvider.findClassPath(ProjectClassPathProvider.java:71)
   at org.netbeans.api.java.classpath.ClassPath.getClassPath(ClassPath.java:636)
   at org.netbeans.api.java.source.ClasspathInfo.create(ClasspathInfo.java:296)
   at org.netbeans.api.java.source.ClasspathInfo.create(ClasspathInfo.java:316)
   at org.netbeans.modules.java.source.parsing.JavacParser.init(JavacParser.java:331)
   at org.netbeans.modules.java.source.parsing.JavacParser.parseImpl(JavacParser.java:429)
   at org.netbeans.modules.java.source.parsing.JavacParser.parse(JavacParser.java:372)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callParse(TaskProcessor.java:610)
   at org.netbeans.modules.parsing.impl.SourceCache.getResult(SourceCache.java:245)
   at org.netbeans.modules.parsing.api.ResultIterator.getParserResult(ResultIterator.java:138)
   at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:485)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:598)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:155)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:139)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:206)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:203)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:203)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:443)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:414)
   at org.netbeans.modules.java.JavaNode$IconTask$SourceIcon.computeIcon(JavaNode.java:462)
   at org.netbeans.modules.java.JavaNode$IconTask.run(JavaNode.java:424)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)