Program: 37368
Project: 37368
Buggy source:
/** 
 * Launches a debuggee in suspend mode.
 * @param vmManager the virtual machine manager.
 * @param mainClass the main class.
 * @param programArguments the program arguments.
 * @param vmArguments the vm arguments.
 * @param modulePaths the module paths.
 * @param classPaths the class paths.
 * @param cwd the working directory of the program.
 * @param envVars array of strings, each element of which has environment variable settings in the format name=value. or null if the subprocess should inherit the environment of the current process.
 * @return an instance of IDebugSession.
 * @throws IOException when unable to launch.
 * @throws IllegalConnectorArgumentsException when one of the arguments is invalid.
 * @throws VMStartException when the debuggee was successfully launched, but terminated with an error before a connection could be established.
 */
public static IDebugSession launch(VirtualMachineManager vmManager,String mainClass,String programArguments,String vmArguments,String modulePaths,String classPaths,String cwd,String[] envVars) throws IOException, IllegalConnectorArgumentsException, VMStartException {
  List<LaunchingConnector> connectors=vmManager.launchingConnectors();
  LaunchingConnector connector=connectors.get(0);
  Map<String,Argument> arguments=connector.defaultArguments();
  arguments.get(SUSPEND).setValue("String_Node_Str");
  String options="String_Node_Str";
  if (StringUtils.isNotBlank(vmArguments)) {
    options=vmArguments;
  }
  if (StringUtils.isNotBlank(modulePaths)) {
    options+="String_Node_Str" + modulePaths + "String_Node_Str";
  }
  if (StringUtils.isNotBlank(classPaths)) {
    options+="String_Node_Str" + classPaths + "String_Node_Str";
  }
  arguments.get(OPTIONS).setValue(options);
  String[] mainClasses=mainClass.split("String_Node_Str");
  if (StringUtils.isNotBlank(modulePaths) || mainClasses.length == 2) {
    mainClass="String_Node_Str" + mainClass;
  }
  if (StringUtils.isNotBlank(programArguments)) {
    mainClass+="String_Node_Str" + programArguments;
  }
  arguments.get(MAIN).setValue(mainClass);
  if (arguments.get(CWD) != null) {
    arguments.get(CWD).setValue(cwd);
  }
  if (arguments.get(ENV) != null) {
    arguments.get(ENV).setValue(encodeArrayArgument(envVars));
  }
  VirtualMachine vm=connector.launch(arguments);
  vm.version();
  return new DebugSession(vm);
}

Fixed version (ground truth):
/** 
 * Launches a debuggee in suspend mode.
 * @param vmManager the virtual machine manager.
 * @param mainClass the main class.
 * @param programArguments the program arguments.
 * @param vmArguments the vm arguments.
 * @param modulePaths the module paths.
 * @param classPaths the class paths.
 * @param cwd the working directory of the program.
 * @param envVars array of strings, each element of which has environment variable settings in the format name=value. or null if the subprocess should inherit the environment of the current process.
 * @return an instance of IDebugSession.
 * @throws IOException when unable to launch.
 * @throws IllegalConnectorArgumentsException when one of the arguments is invalid.
 * @throws VMStartException when the debuggee was successfully launched, but terminated with an error before a connection could be established.
 */
public static IDebugSession launch(VirtualMachineManager vmManager,String mainClass,String programArguments,String vmArguments,String modulePaths,String classPaths,String cwd,String[] envVars) throws IOException, IllegalConnectorArgumentsException, VMStartException {
  List<LaunchingConnector> connectors=vmManager.launchingConnectors();
  LaunchingConnector connector=connectors.get(0);
  final String SUN_LAUNCHING_CONNECTOR="String_Node_Str";
  for (  LaunchingConnector con : connectors) {
    if (con.getClass().getName().equals(SUN_LAUNCHING_CONNECTOR)) {
      connector=con;
      break;
    }
  }
  Map<String,Argument> arguments=connector.defaultArguments();
  arguments.get(SUSPEND).setValue("String_Node_Str");
  String options="String_Node_Str";
  if (StringUtils.isNotBlank(vmArguments)) {
    options=vmArguments;
  }
  if (StringUtils.isNotBlank(modulePaths)) {
    options+="String_Node_Str" + modulePaths + "String_Node_Str";
  }
  if (StringUtils.isNotBlank(classPaths)) {
    options+="String_Node_Str" + classPaths + "String_Node_Str";
  }
  arguments.get(OPTIONS).setValue(options);
  String[] mainClasses=mainClass.split("String_Node_Str");
  if (StringUtils.isNotBlank(modulePaths) || mainClasses.length == 2) {
    mainClass="String_Node_Str" + mainClass;
  }
  if (StringUtils.isNotBlank(programArguments)) {
    mainClass+="String_Node_Str" + programArguments;
  }
  arguments.get(MAIN).setValue(mainClass);
  if (arguments.get(CWD) != null) {
    arguments.get(CWD).setValue(cwd);
  }
  if (arguments.get(ENV) != null) {
    arguments.get(ENV).setValue(encodeArrayArgument(envVars));
  }
  VirtualMachine vm=connector.launch(arguments);
  vm.version();
  return new DebugSession(vm);
}