An error occurred during parsing of 'C:\projetos\mercedes_reports\src\main\java\br\com\tecsinapse\mercedes\reports\service\StockService.java'. Please report a bug against java/source and attach dump file 'C:\Users\misterm\AppData\Roaming\NetBeans\dev\var\log\StockService.dump'.
Caused: java.lang.AssertionError: Unexpected tree: total += value with kind: PLUS_ASSIGNMENT within: total += value with kind: PLUS_ASSIGNMENT
   at com.sun.tools.javac.util.Assert.error(Assert.java:133)
   at com.sun.tools.javac.comp.Attr$TypeAnnotationsValidator.validateAnnotatedType(Attr.java:4800)
   at com.sun.tools.javac.comp.Attr$TypeAnnotationsValidator.visitVarDef(Attr.java:4644)
   at com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:852)
   at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
   at com.sun.tools.javac.comp.Attr$TypeAnnotationsValidator.visitClassDef(Attr.java:4695)
   at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:692)
   at com.sun.tools.javac.comp.Attr.validateTypeAnnotations(Attr.java:4594)
   at com.sun.tools.javac.code.TypeAnnotations$2.run(TypeAnnotations.java:142)
   at com.sun.tools.javac.comp.Annotate.flush(Annotate.java:155)
   at com.sun.tools.javac.comp.Annotate.enterDone(Annotate.java:129)
   at com.sun.tools.javac.comp.Enter.complete(Enter.java:749)
   at com.sun.tools.javac.main.JavaCompiler.complete(JavaCompiler.java:1063)
   at com.sun.tools.javac.main.JavaCompiler.enterTrees(JavaCompiler.java:1025)
   at com.sun.tools.javac.api.JavacTaskImpl.enter(JavacTaskImpl.java:370)
   at com.sun.tools.javac.api.JavacTaskImpl.enter(JavacTaskImpl.java:310)
   at org.netbeans.modules.java.source.parsing.JavacParser.moveToPhase(JavacParser.java:653)
   at org.netbeans.modules.java.source.parsing.JavacParser.getResult(JavacParser.java:519)
   at org.netbeans.modules.java.source.parsing.JavacParser.getResult(JavacParser.java:174)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callGetResult(TaskProcessor.java:615)
   at org.netbeans.modules.parsing.impl.SourceCache.getResult(SourceCache.java:256)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:727)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
   at java.util.concurrent.FutureTask.run(FutureTask.java:266)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)