java.lang.NullPointerException: #145291: Cannot resolve handle: TreePathHandle[delegate:TreeDelegate[kind:CLASS, enclosingElement:ElementHandle[kind=CLASS; sigs=loader.ClientJUnitTest ], file:D:\Users\Nik\Documents\NetBeansProjects\HttpLoader\test\loader\ClientJUnitTest.java@41986cd8:60f855d0]]
ClasspathInfo [boot: D:\Program Files\Java\jdk1.8.0\jre\lib\resources.jar;D:\Program Files\Java\jdk1.8.0\jre\lib\rt.jar;D:\Program Files\Java\jdk1.8.0\jre\lib\sunrsasign.jar;D:\Program Files\Java\jdk1.8.0\jre\lib\jsse.jar;D:\Program Files\Java\jdk1.8.0\jre\lib\jce.jar;D:\Program Files\Java\jdk1.8.0\jre\lib\charsets.jar;D:\Program Files\Java\jdk1.8.0\jre\lib\jfr.jar;D:\Program Files\Java\jdk1.8.0\jre\classes;D:\Program Files\Java\jdk1.8.0\jre\lib\ext\access-bridge-64.jar;D:\Program Files\Java\jdk1.8.0\jre\lib\ext\cldrdata.jar;D:\Program Files\Java\jdk1.8.0\jre\lib\ext\dnsns.jar;D:\Program Files\Java\jdk1.8.0\jre\lib\ext\j3dcore.jar;D:\Program Files\Java\jdk1.8.0\jre\lib\ext\j3dutils.jar;D:\Program Files\Java\jdk1.8.0\jr
   at org.netbeans.modules.refactoring.java.plugins.JavaWhereUsedQueryPlugin$1.run(JavaWhereUsedQueryPlugin.java:254)
   at org.netbeans.modules.refactoring.java.plugins.JavaWhereUsedQueryPlugin$1.run(JavaWhereUsedQueryPlugin.java:244)
   at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:493)
   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$2.call(TaskProcessor.java:203)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:203)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:443)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:414)
   at org.netbeans.modules.refactoring.java.plugins.JavaWhereUsedQueryPlugin.getRelevantFiles(JavaWhereUsedQueryPlugin.java:354)
   at org.netbeans.modules.refactoring.java.plugins.JavaWhereUsedQueryPlugin.getRelevantFiles(JavaWhereUsedQueryPlugin.java:214)
   at org.netbeans.modules.refactoring.java.plugins.JavaWhereUsedQueryPlugin.prepare(JavaWhereUsedQueryPlugin.java:399)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare2(AbstractRefactoring.java:437)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare(AbstractRefactoring.java:421)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.prepare(AbstractRefactoring.java:232)
   at org.netbeans.modules.refactoring.java.plugins.SafeDeleteRefactoringPlugin.prepare(SafeDeleteRefactoringPlugin.java:125)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare2(AbstractRefactoring.java:437)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare(AbstractRefactoring.java:421)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.prepare(AbstractRefactoring.java:232)
   at org.netbeans.modules.refactoring.spi.impl.ParametersPanel$Prepare.run(ParametersPanel.java:1040)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)