Program: 111544
Project: 111544
Buggy source:
private static Boolean runCommand(String cmd){
  try {
    JSch jsch=new JSch();
    String homeDir=new String("String_Node_Str");
    try {
      homeDir=System.getProperty("String_Node_Str");
    }
 catch (    java.security.AccessControlException e) {
      System.out.println("String_Node_Str");
    }
    File knownHosts=new File(homeDir + "String_Node_Str");
    if (knownHosts.exists() && knownHosts.canRead())     jsch.setKnownHosts(knownHosts.getAbsolutePath());
    ArrayList<File> privateKeys=new ArrayList<File>();
    privateKeys.add(new File(homeDir + "String_Node_Str"));
    privateKeys.add(new File(homeDir + "String_Node_Str"));
    for (Iterator i=privateKeys.iterator(); i.hasNext(); ) {
      File privateKey=(File)i.next();
      if (privateKey.exists() && privateKey.canRead())       jsch.addIdentity(privateKey.getAbsolutePath());
    }
    PasswdDialog dlg=new PasswdDialog(new String("String_Node_Str"),false,false);
    dlg.userEntry.setText((String)System.getProperties().get("String_Node_Str"));
    Session session=jsch.getSession(dlg.userEntry.getText(),tunnelEndpoint,22);
    session.setUserInfo(dlg);
    session.connect();
    String[] tokens=cmd.split("String_Node_Str");
    for (int i=0; i < tokens.length; i++) {
      if (tokens[i].equals("String_Node_Str")) {
        String[] par=tokens[++i].split("String_Node_Str");
        int localPort=Integer.parseInt(par[0].trim());
        String remoteHost=par[1].trim();
        int remotePort=Integer.parseInt(par[2].trim());
        session.setPortForwardingL(localPort,remoteHost,remotePort);
      }
 else       if (tokens[i].equals("String_Node_Str")) {
        String[] par=tokens[++i].split("String_Node_Str");
        int remotePort=Integer.parseInt(par[0].trim());
        String localHost=par[1].trim();
        int localPort=Integer.parseInt(par[2].trim());
        session.setPortForwardingR(remotePort,localHost,localPort);
      }
    }
  }
 catch (  java.lang.Exception e) {
    System.out.println("String_Node_Str" + e.toString());
    return false;
  }
  return true;
}

Fixed version (ground truth):
private static Boolean runCommand(String cmd){
  try {
    JSch jsch=new JSch();
    String homeDir=new String("String_Node_Str");
    try {
      homeDir=System.getProperty("String_Node_Str");
    }
 catch (    java.security.AccessControlException e) {
      System.out.println("String_Node_Str");
    }
    File knownHosts=new File(homeDir + "String_Node_Str");
    if (knownHosts.exists() && knownHosts.canRead())     jsch.setKnownHosts(knownHosts.getAbsolutePath());
    ArrayList<File> privateKeys=new ArrayList<File>();
    privateKeys.add(new File(homeDir + "String_Node_Str"));
    privateKeys.add(new File(homeDir + "String_Node_Str"));
    for (Iterator i=privateKeys.iterator(); i.hasNext(); ) {
      File privateKey=(File)i.next();
      if (privateKey.exists() && privateKey.canRead())       jsch.addIdentity(privateKey.getAbsolutePath());
    }
    PasswdDialog dlg=new PasswdDialog(new String("String_Node_Str"),false,false);
    dlg.promptPassword(new String("String_Node_Str"));
    Session session=jsch.getSession(dlg.userEntry.getText(),tunnelEndpoint,22);
    session.setPassword(new String(dlg.passwdEntry.getPassword()));
    session.connect();
    String[] tokens=cmd.split("String_Node_Str");
    for (int i=0; i < tokens.length; i++) {
      if (tokens[i].equals("String_Node_Str")) {
        String[] par=tokens[++i].split("String_Node_Str");
        int localPort=Integer.parseInt(par[0].trim());
        String remoteHost=par[1].trim();
        int remotePort=Integer.parseInt(par[2].trim());
        session.setPortForwardingL(localPort,remoteHost,remotePort);
      }
 else       if (tokens[i].equals("String_Node_Str")) {
        String[] par=tokens[++i].split("String_Node_Str");
        int remotePort=Integer.parseInt(par[0].trim());
        String localHost=par[1].trim();
        int localPort=Integer.parseInt(par[2].trim());
        session.setPortForwardingR(remotePort,localHost,localPort);
      }
    }
  }
 catch (  java.lang.Exception e) {
    System.out.println("String_Node_Str" + e.toString());
    return false;
  }
  return true;
}