java.lang.OutOfMemoryError: Java heap space
   at java.util.Arrays.copyOf(Arrays.java:2882)
   at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:100)
   at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:390)
   at java.lang.StringBuilder.append(StringBuilder.java:119)
   at org.netbeans.modules.ruby.FindersHelper$FinderMethod.getSignature(FindersHelper.java:297)
   at org.netbeans.modules.ruby.DatabasePropertiesIndexer.createDynamicFinders(DatabasePropertiesIndexer.java:270)
   at org.netbeans.modules.ruby.DatabasePropertiesIndexer.addDatabaseProperties(DatabasePropertiesIndexer.java:145)
   at org.netbeans.modules.ruby.DatabasePropertiesIndexer.indexDatabaseProperties(DatabasePropertiesIndexer.java:80)
   at org.netbeans.modules.ruby.RubyIndex.addDatabaseProperties(RubyIndex.java:1266)
   at org.netbeans.modules.ruby.RubyIndex.addMethodsFromClass(RubyIndex.java:1235)
   at org.netbeans.modules.ruby.RubyIndex.getInheritedMethods(RubyIndex.java:1021)
   at org.netbeans.modules.ruby.RubyMethodCompleter.complete(RubyMethodCompleter.java:248)
   at org.netbeans.modules.ruby.RubyMethodCompleter.complete(RubyMethodCompleter.java:87)
   at org.netbeans.modules.ruby.RubyCodeCompleter.complete(RubyCodeCompleter.java:1307)
   at org.netbeans.modules.csl.editor.completion.GsfCompletionProvider$JavaCompletionQuery.addCodeCompletionItems(GsfCompletionProvider.java:607)
   at org.netbeans.modules.csl.editor.completion.GsfCompletionProvider$JavaCompletionQuery.resolveCompletion(GsfCompletionProvider.java:595)
   at org.netbeans.modules.csl.editor.completion.GsfCompletionProvider$JavaCompletionQuery.access$400(GsfCompletionProvider.java:243)
   at org.netbeans.modules.csl.editor.completion.GsfCompletionProvider$JavaCompletionQuery$1.run(GsfCompletionProvider.java:333)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:129)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:113)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:190)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:99)
   at org.netbeans.modules.csl.editor.completion.GsfCompletionProvider$JavaCompletionQuery.query(GsfCompletionProvider.java:319)
   at org.netbeans.spi.editor.completion.support.AsyncCompletionTask.run(AsyncCompletionTask.java:218)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:602)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1084)