java.lang.OutOfMemoryError: Java heap space
   at java.lang.String.toCharArray(String.java:2753)
   at com.sun.tools.javac.file.JavacFileManager.toArray(JavacFileManager.java:81)
   at com.sun.tools.javac.util.DiagnosticSource.initBuf(DiagnosticSource.java:189)
   at com.sun.tools.javac.util.DiagnosticSource.findLine(DiagnosticSource.java:154)
   at com.sun.tools.javac.util.DiagnosticSource.getLineNumber(DiagnosticSource.java:77)
   at com.sun.tools.javac.util.JCDiagnostic.<init>(JCDiagnostic.java:404)
   at com.sun.tools.javac.util.JCDiagnostic$Factory.create(JCDiagnostic.java:238)
   at com.sun.tools.javac.util.JCDiagnostic$Factory.create(JCDiagnostic.java:223)
   at com.sun.tools.javac.comp.Resolve$SymbolNotFoundError.getDiagnostic(Resolve.java:3682)
   at com.sun.tools.javac.comp.Resolve.logResolveError(Resolve.java:3493)
   at com.sun.tools.javac.comp.Resolve.accessInternal(Resolve.java:2191)
   at com.sun.tools.javac.comp.Resolve.accessMethod(Resolve.java:2209)
   at com.sun.tools.javac.comp.Resolve$BasicLookupHelper.access(Resolve.java:3081)
   at com.sun.tools.javac.comp.Resolve.lookupMethod(Resolve.java:3323)
   at com.sun.tools.javac.comp.Resolve.lookupMethod(Resolve.java:3303)
   at com.sun.tools.javac.comp.Resolve.resolveMethod(Resolve.java:2372)
   at com.sun.tools.javac.comp.Attr.visitIdent(Attr.java:3306)
   at com.sun.tools.javac.tree.JCTree$JCIdent.accept(JCTree.java:2011)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:602)
   at com.sun.tools.javac.comp.Attr.visitApply(Attr.java:1866)
   at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1465)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:602)
   at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:651)
   at com.sun.tools.javac.comp.Attr.visitExec(Attr.java:1631)
   at com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1296)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:602)
   at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:671)
   at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:687)
   at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1152)
   at org.netbeans.lib.nbjavac.services.NBAttr.visitBlock(NBAttr.java:82)
   at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:909)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:602)