Program: 37371
Project: 37371
Buggy source:
@Override public void handle(Command command,Arguments arguments,Response response,IDebugAdapterContext context){
  LaunchArguments launchArguments=(LaunchArguments)arguments;
  if (StringUtils.isBlank(launchArguments.mainClass) || (ArrayUtils.isEmpty(launchArguments.modulePaths) && ArrayUtils.isEmpty(launchArguments.classPaths))) {
    AdapterUtils.setErrorResponse(response,ErrorCode.ARGUMENT_MISSING,String.format("String_Node_Str"));
    return;
  }
  context.setAttached(false);
  context.setSourcePaths(launchArguments.sourcePaths);
  if (StringUtils.isBlank(launchArguments.encoding)) {
    context.setDebuggeeEncoding(StandardCharsets.UTF_8);
  }
 else {
    if (!Charset.isSupported(launchArguments.encoding)) {
      AdapterUtils.setErrorResponse(response,ErrorCode.INVALID_ENCODING,String.format("String_Node_Str"));
      return;
    }
    context.setDebuggeeEncoding(Charset.forName(launchArguments.encoding));
  }
  if (StringUtils.isBlank(launchArguments.vmArgs)) {
    launchArguments.vmArgs=String.format("String_Node_Str",context.getDebuggeeEncoding().name());
  }
 else {
    launchArguments.vmArgs=String.format("String_Node_Str",launchArguments.vmArgs,context.getDebuggeeEncoding().name());
  }
  IVirtualMachineManagerProvider vmProvider=context.getProvider(IVirtualMachineManagerProvider.class);
  String[] envVars=null;
  if (launchArguments.env != null && !launchArguments.env.isEmpty()) {
    Map<String,String> environment=new HashMap<>(System.getenv());
    List<String> duplicated=new ArrayList<>();
    for (    Entry<String,String> entry : launchArguments.env.entrySet()) {
      if (environment.containsKey(entry.getKey())) {
        duplicated.add(entry.getKey());
      }
      environment.put(entry.getKey(),entry.getValue());
    }
    if (!duplicated.isEmpty()) {
      logger.warning(String.format("String_Node_Str" + "String_Node_Str",String.join("String_Node_Str",duplicated)));
    }
    envVars=new String[environment.size()];
    int i=0;
    for (    Entry<String,String> entry : environment.entrySet()) {
      envVars[i++]=entry.getKey() + "String_Node_Str" + entry.getValue();
    }
  }
  try {
    StringBuilder launchLogs=new StringBuilder();
    launchLogs.append("String_Node_Str");
    launchLogs.append(String.format("String_Node_Str",launchArguments.mainClass));
    launchLogs.append(String.format("String_Node_Str",launchArguments.args));
    launchLogs.append(String.format("String_Node_Str",StringUtils.join(launchArguments.modulePaths,File.pathSeparator)));
    launchLogs.append(String.format("String_Node_Str",StringUtils.join(launchArguments.classPaths,File.pathSeparator)));
    launchLogs.append(String.format("String_Node_Str",launchArguments.vmArgs));
    logger.info(launchLogs.toString());
    IDebugSession debugSession=DebugUtility.launch(vmProvider.getVirtualMachineManager(),launchArguments.mainClass,launchArguments.args,launchArguments.vmArgs,Arrays.asList(launchArguments.modulePaths),Arrays.asList(launchArguments.classPaths),launchArguments.cwd,envVars);
    context.setDebugSession(debugSession);
    context.setVmStopOnEntry(launchArguments.stopOnEntry);
    context.setMainClass(launchArguments.mainClass);
    logger.info("String_Node_Str");
    ProcessConsole debuggeeConsole=new ProcessConsole(debugSession.process(),"String_Node_Str",context.getDebuggeeEncoding());
    debuggeeConsole.onStdout((output) -> {
      context.sendEvent(Events.OutputEvent.createStdoutOutput(output));
    }
);
    debuggeeConsole.onStderr((err) -> {
      context.sendEvent(Events.OutputEvent.createStderrOutput(err));
    }
);
    debuggeeConsole.start();
  }
 catch (  IOException|IllegalConnectorArgumentsException|VMStartException e) {
    AdapterUtils.setErrorResponse(response,ErrorCode.LAUNCH_FAILURE,String.format("String_Node_Str",e.toString()));
  }
  ISourceLookUpProvider sourceProvider=context.getProvider(ISourceLookUpProvider.class);
  Map<String,Object> options=new HashMap<>();
  options.put(Constants.DEBUGGEE_ENCODING,context.getDebuggeeEncoding());
  if (launchArguments.projectName != null) {
    options.put(Constants.PROJECTNAME,launchArguments.projectName);
  }
  sourceProvider.initialize(context.getDebugSession(),options);
}

Fixed version (ground truth):
@Override public void handle(Command command,Arguments arguments,Response response,IDebugAdapterContext context){
  LaunchArguments launchArguments=(LaunchArguments)arguments;
  if (StringUtils.isBlank(launchArguments.mainClass) || (ArrayUtils.isEmpty(launchArguments.modulePaths) && ArrayUtils.isEmpty(launchArguments.classPaths))) {
    AdapterUtils.setErrorResponse(response,ErrorCode.ARGUMENT_MISSING,String.format("String_Node_Str"));
    return;
  }
  context.setAttached(false);
  context.setSourcePaths(launchArguments.sourcePaths);
  if (StringUtils.isBlank(launchArguments.encoding)) {
    context.setDebuggeeEncoding(StandardCharsets.UTF_8);
  }
 else {
    if (!Charset.isSupported(launchArguments.encoding)) {
      AdapterUtils.setErrorResponse(response,ErrorCode.INVALID_ENCODING,String.format("String_Node_Str"));
      return;
    }
    context.setDebuggeeEncoding(Charset.forName(launchArguments.encoding));
  }
  if (StringUtils.isBlank(launchArguments.vmArgs)) {
    launchArguments.vmArgs=String.format("String_Node_Str",context.getDebuggeeEncoding().name());
  }
 else {
    launchArguments.vmArgs=String.format("String_Node_Str",launchArguments.vmArgs,context.getDebuggeeEncoding().name());
  }
  IVirtualMachineManagerProvider vmProvider=context.getProvider(IVirtualMachineManagerProvider.class);
  String[] envVars=null;
  if (launchArguments.env != null && !launchArguments.env.isEmpty()) {
    Map<String,String> environment=new HashMap<>(System.getenv());
    List<String> duplicated=new ArrayList<>();
    for (    Entry<String,String> entry : launchArguments.env.entrySet()) {
      if (environment.containsKey(entry.getKey())) {
        duplicated.add(entry.getKey());
      }
      environment.put(entry.getKey(),entry.getValue());
    }
    if (!duplicated.isEmpty()) {
      logger.warning(String.format("String_Node_Str" + "String_Node_Str",String.join("String_Node_Str",duplicated)));
    }
    envVars=new String[environment.size()];
    int i=0;
    for (    Entry<String,String> entry : environment.entrySet()) {
      envVars[i++]=entry.getKey() + "String_Node_Str" + entry.getValue();
    }
  }
  try {
    StringBuilder launchLogs=new StringBuilder();
    launchLogs.append("String_Node_Str");
    launchLogs.append(String.format("String_Node_Str",launchArguments.mainClass));
    launchLogs.append(String.format("String_Node_Str",launchArguments.args));
    launchLogs.append(String.format("String_Node_Str",StringUtils.join(launchArguments.modulePaths,File.pathSeparator)));
    launchLogs.append(String.format("String_Node_Str",StringUtils.join(launchArguments.classPaths,File.pathSeparator)));
    launchLogs.append(String.format("String_Node_Str",launchArguments.vmArgs));
    logger.info(launchLogs.toString());
    IDebugSession debugSession=DebugUtility.launch(vmProvider.getVirtualMachineManager(),launchArguments.mainClass,launchArguments.args,launchArguments.vmArgs,Arrays.asList(launchArguments.modulePaths),Arrays.asList(launchArguments.classPaths),launchArguments.cwd,envVars);
    context.setDebugSession(debugSession);
    context.setVmStopOnEntry(launchArguments.stopOnEntry);
    context.setMainClass(parseMainClassWithoutModuleName(launchArguments.mainClass));
    logger.info("String_Node_Str");
    ProcessConsole debuggeeConsole=new ProcessConsole(debugSession.process(),"String_Node_Str",context.getDebuggeeEncoding());
    debuggeeConsole.onStdout((output) -> {
      context.sendEvent(Events.OutputEvent.createStdoutOutput(output));
    }
);
    debuggeeConsole.onStderr((err) -> {
      context.sendEvent(Events.OutputEvent.createStderrOutput(err));
    }
);
    debuggeeConsole.start();
  }
 catch (  IOException|IllegalConnectorArgumentsException|VMStartException e) {
    AdapterUtils.setErrorResponse(response,ErrorCode.LAUNCH_FAILURE,String.format("String_Node_Str",e.toString()));
  }
  ISourceLookUpProvider sourceProvider=context.getProvider(ISourceLookUpProvider.class);
  Map<String,Object> options=new HashMap<>();
  options.put(Constants.DEBUGGEE_ENCODING,context.getDebuggeeEncoding());
  if (launchArguments.projectName != null) {
    options.put(Constants.PROJECTNAME,launchArguments.projectName);
  }
  sourceProvider.initialize(context.getDebugSession(),options);
}