Program: 37367
Project: 37367
Buggy source:
private void handleDebugEvent(DebugEvent debugEvent,IDebugSession debugSession,IDebugAdapterContext context){
  Event event=debugEvent.event;
  boolean isImportantEvent=true;
  if (event instanceof VMStartEvent) {
    if (context.isVmStopOnEntry()) {
      DebugUtility.stopOnEntry(debugSession,context.getMainClass()).thenAccept(threadId -> {
        context.getProtocolServer().sendEvent(new Events.StoppedEvent("String_Node_Str",threadId));
      }
);
    }
  }
 else   if (event instanceof VMDeathEvent) {
    context.setVmTerminated();
    context.getProtocolServer().sendEvent(new Events.ExitedEvent(0));
  }
 else   if (event instanceof VMDisconnectEvent) {
    context.setVmTerminated();
    context.getProtocolServer().sendEvent(new Events.TerminatedEvent());
    try {
      debugSession.getEventHub().close();
    }
 catch (    Exception e) {
    }
  }
 else   if (event instanceof ThreadStartEvent) {
    ThreadReference startThread=((ThreadStartEvent)event).thread();
    Events.ThreadEvent threadEvent=new Events.ThreadEvent("String_Node_Str",startThread.uniqueID());
    context.getProtocolServer().sendEvent(threadEvent);
  }
 else   if (event instanceof ThreadDeathEvent) {
    ThreadReference deathThread=((ThreadDeathEvent)event).thread();
    Events.ThreadEvent threadDeathEvent=new Events.ThreadEvent("String_Node_Str",deathThread.uniqueID());
    context.getProtocolServer().sendEvent(threadDeathEvent);
  }
 else   if (event instanceof BreakpointEvent) {
  }
 else   if (event instanceof ExceptionEvent) {
    ThreadReference thread=((ExceptionEvent)event).thread();
    ThreadReference bpThread=((BreakpointEvent)event).thread();
    IEvaluationProvider engine=context.getProvider(IEvaluationProvider.class);
    if (engine.isInEvaluation(bpThread)) {
      return;
    }
    context.getProtocolServer().sendEvent(new Events.StoppedEvent("String_Node_Str",thread.uniqueID()));
    debugEvent.shouldResume=false;
  }
 else {
    isImportantEvent=false;
  }
  if (isImportantEvent) {
    UsageDataSession.recordEvent(event);
  }
}

Fixed version (ground truth):
private void handleDebugEvent(DebugEvent debugEvent,IDebugSession debugSession,IDebugAdapterContext context){
  Event event=debugEvent.event;
  boolean isImportantEvent=true;
  if (event instanceof VMStartEvent) {
    if (context.isVmStopOnEntry()) {
      DebugUtility.stopOnEntry(debugSession,context.getMainClass()).thenAccept(threadId -> {
        context.getProtocolServer().sendEvent(new Events.StoppedEvent("String_Node_Str",threadId));
      }
);
    }
  }
 else   if (event instanceof VMDeathEvent) {
    context.setVmTerminated();
    context.getProtocolServer().sendEvent(new Events.ExitedEvent(0));
  }
 else   if (event instanceof VMDisconnectEvent) {
    context.setVmTerminated();
    context.getProtocolServer().sendEvent(new Events.TerminatedEvent());
    try {
      debugSession.getEventHub().close();
    }
 catch (    Exception e) {
    }
  }
 else   if (event instanceof ThreadStartEvent) {
    ThreadReference startThread=((ThreadStartEvent)event).thread();
    Events.ThreadEvent threadEvent=new Events.ThreadEvent("String_Node_Str",startThread.uniqueID());
    context.getProtocolServer().sendEvent(threadEvent);
  }
 else   if (event instanceof ThreadDeathEvent) {
    ThreadReference deathThread=((ThreadDeathEvent)event).thread();
    Events.ThreadEvent threadDeathEvent=new Events.ThreadEvent("String_Node_Str",deathThread.uniqueID());
    context.getProtocolServer().sendEvent(threadDeathEvent);
  }
 else   if (event instanceof BreakpointEvent) {
  }
 else   if (event instanceof ExceptionEvent) {
    ThreadReference thread=((ExceptionEvent)event).thread();
    ThreadReference bpThread=((ExceptionEvent)event).thread();
    IEvaluationProvider engine=context.getProvider(IEvaluationProvider.class);
    if (engine.isInEvaluation(bpThread)) {
      return;
    }
    context.getProtocolServer().sendEvent(new Events.StoppedEvent("String_Node_Str",thread.uniqueID()));
    debugEvent.shouldResume=false;
  }
 else {
    isImportantEvent=false;
  }
  if (isImportantEvent) {
    UsageDataSession.recordEvent(event);
  }
}