Program: 103502
Project: 103502
Buggy source:
/** 
 * Starts the SIP Communicator.
 * @param args
 */
public static void main(String[] args) throws Exception {
  String version=System.getProperty("String_Node_Str");
  String vmVendor=System.getProperty("String_Node_Str");
  String osName=System.getProperty("String_Node_Str");
  setScHomeDir(osName);
  if (version.startsWith("String_Node_Str") || vmVendor.startsWith("String_Node_Str") || vmVendor.startsWith("String_Node_Str")) {
    String os="String_Node_Str";
    if (osName.startsWith("String_Node_Str"))     os=ChangeJVMFrame.MAC_OSX;
 else     if (osName.startsWith("String_Node_Str"))     os=ChangeJVMFrame.LINUX;
 else     if (osName.startsWith("String_Node_Str"))     os=ChangeJVMFrame.WINDOWS;
    ChangeJVMFrame changeJVMFrame=new ChangeJVMFrame(os);
    changeJVMFrame.setLocation(Toolkit.getDefaultToolkit().getScreenSize().width / 2 - changeJVMFrame.getWidth() / 2,Toolkit.getDefaultToolkit().getScreenSize().height / 2 - changeJVMFrame.getHeight() / 2);
    changeJVMFrame.setVisible(true);
    return;
  }
  LaunchArgHandler argHandler=LaunchArgHandler.getInstance();
  int argHandlerRes=argHandler.handleArgs(args);
  if (argHandlerRes == LaunchArgHandler.ACTION_EXIT || argHandlerRes == LaunchArgHandler.ACTION_ERROR) {
    System.exit(argHandler.getErrorCode());
  }
  if (argHandlerRes != LaunchArgHandler.ACTION_CONTINUE_LOCK_DISABLED) {
    SipCommunicatorLock lock=new SipCommunicatorLock();
    int lockResult=lock.tryLock(args);
    if (lockResult == SipCommunicatorLock.LOCK_ERROR) {
      System.err.println("String_Node_Str" + "String_Node_Str" + "String_Node_Str");
      System.exit(SipCommunicatorLock.LOCK_ERROR);
    }
 else     if (lockResult == SipCommunicatorLock.ALREADY_STARTED) {
      System.out.println("String_Node_Str" + "String_Node_Str" + "String_Node_Str"+ "String_Node_Str");
      System.exit(SipCommunicatorLock.SUCCESS);
    }
 else     if (lockResult == SipCommunicatorLock.SUCCESS) {
    }
  }
  System.setOut(new ScStdOut(System.out));
  Main.main(new String[0]);
}

Fixed version (ground truth):
/** 
 * Starts the SIP Communicator.
 * @param args command line args if any
 * @throws Exception whenever it makes sense.
 */
public static void main(String[] args) throws Exception {
  String version=System.getProperty("String_Node_Str");
  String vmVendor=System.getProperty("String_Node_Str");
  String osName=System.getProperty("String_Node_Str");
  setScHomeDir(osName);
  if (version.startsWith("String_Node_Str") || vmVendor.startsWith("String_Node_Str") || vmVendor.startsWith("String_Node_Str")) {
    String os="String_Node_Str";
    if (osName.startsWith("String_Node_Str"))     os=ChangeJVMFrame.MAC_OSX;
 else     if (osName.startsWith("String_Node_Str"))     os=ChangeJVMFrame.LINUX;
 else     if (osName.startsWith("String_Node_Str"))     os=ChangeJVMFrame.WINDOWS;
    ChangeJVMFrame changeJVMFrame=new ChangeJVMFrame(os);
    changeJVMFrame.setLocation(Toolkit.getDefaultToolkit().getScreenSize().width / 2 - changeJVMFrame.getWidth() / 2,Toolkit.getDefaultToolkit().getScreenSize().height / 2 - changeJVMFrame.getHeight() / 2);
    changeJVMFrame.setVisible(true);
    return;
  }
  LaunchArgHandler argHandler=LaunchArgHandler.getInstance();
  int argHandlerRes=argHandler.handleArgs(args);
  if (argHandlerRes == LaunchArgHandler.ACTION_EXIT || argHandlerRes == LaunchArgHandler.ACTION_ERROR) {
    System.exit(argHandler.getErrorCode());
  }
  if (argHandlerRes != LaunchArgHandler.ACTION_CONTINUE_LOCK_DISABLED) {
    SipCommunicatorLock lock=new SipCommunicatorLock();
    int lockResult=lock.tryLock(args);
    if (lockResult == SipCommunicatorLock.LOCK_ERROR) {
      System.err.println("String_Node_Str" + "String_Node_Str" + "String_Node_Str");
      System.exit(SipCommunicatorLock.LOCK_ERROR);
    }
 else     if (lockResult == SipCommunicatorLock.ALREADY_STARTED) {
      System.out.println("String_Node_Str" + "String_Node_Str" + "String_Node_Str"+ "String_Node_Str");
      System.exit(SipCommunicatorLock.SUCCESS);
    }
 else     if (lockResult == SipCommunicatorLock.SUCCESS) {
    }
  }
  System.setOut(new ScStdOut(System.out));
  Main.main(new String[0]);
}