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https://issues.apache.org/jira/browse/NETBEANS-2559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tomáš Procházka closed NETBEANS-2559.
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> NullPointerException in debug mode.
> -----------------------------------
>
> Key: NETBEANS-2559
> URL: https://issues.apache.org/jira/browse/NETBEANS-2559
> Project: NetBeans
> Issue Type: Bug
> Components: debugger - Java, java - Project, javafx - Project
> Affects Versions: 11.2
> Environment: Windows 10, Java 13.0.2
> Reporter: Michal Rama
> Priority: Minor
> Labels: Debug, NullPointerException, javafx,
> pull-request-available
> Fix For: 12.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Hello,
> When I start the project, everything will go well.
> The problem occurs when I run debug mode. It goes through all the "Line
> Breakpoints". After the last, the project starts, but it also displays an
> error.
> {code:java}
> java.lang.NullPointerExceptionjava.lang.NullPointerException at
> org.netbeans.modules.debugger.jpda.jdi.ReferenceTypeWrapper.fieldByName(ReferenceTypeWrapper.java:1033)[catch]
> at
> org.netbeans.modules.debugger.jpda.visual.VisualDebuggerListener.setFxDebug(VisualDebuggerListener.java:463)
> at
> org.netbeans.modules.debugger.jpda.visual.VisualDebuggerListener.initDebuggerRemoteService(VisualDebuggerListener.java:273)
> at
> org.netbeans.modules.debugger.jpda.visual.VisualDebuggerListener.access$100(VisualDebuggerListener.java:94)
> at
> org.netbeans.modules.debugger.jpda.visual.VisualDebuggerListener$3.breakpointReached(VisualDebuggerListener.java:184)
> at
> org.netbeans.api.debugger.jpda.JPDABreakpoint.fireJPDABreakpointChange(JPDABreakpoint.java:275)
> at
> org.netbeans.api.debugger.jpda.JPDADebugger.fireBreakpointEvent(JPDADebugger.java:466)
> at
> org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.fireBreakpointEvent(JPDADebuggerImpl.java:641)
> at
> org.netbeans.modules.debugger.jpda.breakpoints.BreakpointImpl.perform(BreakpointImpl.java:535)
> at
> org.netbeans.modules.debugger.jpda.breakpoints.MethodBreakpointImpl.exec(MethodBreakpointImpl.java:253)
> at
> org.netbeans.modules.debugger.jpda.util.Operator.processEvents(Operator.java:500)
> at
> org.netbeans.modules.debugger.jpda.util.Operator.access$800(Operator.java:94)
> at org.netbeans.modules.debugger.jpda.util.Operator$1.run(Operator.java:225)
> at
> org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:45)
> at org.openide.util.lookup.Lookups.executeWith(Lookups.java:278) at
> org.netbeans.modules.debugger.jpda.util.Operator$2.run(Operator.java:257) at
> java.base/java.lang.Thread.run(Thread.java:830){code}
> Why is he doing it?
> Please help
> Thank you
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