java.lang.NullPointerException
   at org.netbeans.modules.java.source.indexing.JavaCustomIndexer.findDependent(JavaCustomIndexer.java:607)
   at org.netbeans.modules.java.source.indexing.JavaBinaryIndexer$1.run(JavaBinaryIndexer.java:103)
   at org.netbeans.modules.java.source.indexing.JavaBinaryIndexer$1.run(JavaBinaryIndexer.java:78)
   at org.netbeans.modules.java.source.usages.ClassIndexManager.prepareWriteLock(ClassIndexManager.java:113)
   at org.netbeans.modules.java.source.indexing.JavaBinaryIndexer.index(JavaBinaryIndexer.java:78)
   at org.netbeans.modules.parsing.spi.indexing.Indexable$MyAccessor.index(Indexable.java:157)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.indexBinary(RepositoryUpdater.java:1779)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork.scanBinaries(RepositoryUpdater.java:2985)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$RootsWork.getDone(RepositoryUpdater.java:2832)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doTheWork(RepositoryUpdater.java:1936)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task._run(RepositoryUpdater.java:3510)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.run(RepositoryUpdater.java:3452)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:574)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
   at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
   at java.util.concurrent.FutureTask.run(FutureTask.java:138)
   at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
   at java.lang.Thread.run(Thread.java:619)