Program: 175803
Project: 175803
Buggy source:
public static void main(String[] args){
  CommandLineParser parser=new DefaultParser();
  Boolean isDebug=false;
  try {
    CommandLine commandline=parser.parse(opt,args);
    if (commandline.getOptions().length == 0 && commandline.getArgs().length > 0) {
      CmdCaller.main(args);
      return;
    }
    if (commandline.hasOption("String_Node_Str")) {
      usage(null);
      return;
    }
    String ak=commandline.getOptionValue("String_Node_Str");
    String sk=commandline.getOptionValue("String_Node_Str");
    String api=commandline.getOptionValue("String_Node_Str");
    String version=commandline.getOptionValue("String_Node_Str");
    String method=commandline.getOptionValue("String_Node_Str");
    String[] headers=commandline.getOptionValues("String_Node_Str");
    String[] params=commandline.getOptionValues("String_Node_Str");
    String url=commandline.getOptionValue("String_Node_Str");
    String proxy=commandline.getOptionValue("String_Node_Str");
    String cbJSON=commandline.getOptionValue("String_Node_Str");
    boolean nonce=commandline.hasOption("String_Node_Str");
    isDebug=commandline.hasOption("String_Node_Str");
    if (isDebug) {
      System.out.println("String_Node_Str" + url);
      System.out.println("String_Node_Str" + api);
      System.out.println("String_Node_Str" + version);
      System.out.println("String_Node_Str" + ak);
      System.out.println("String_Node_Str" + sk);
      System.out.println("String_Node_Str" + proxy);
      System.out.println("String_Node_Str" + nonce);
      printKV("String_Node_Str",headers);
      printKV("String_Node_Str",params);
    }
    if (isEmpty(api)) {
      usage(MessageHelper.getMessage("String_Node_Str","String_Node_Str"));
      return;
    }
    if (isEmpty(version)) {
      usage(MessageHelper.getMessage("String_Node_Str","String_Node_Str"));
      return;
    }
    if (isEmpty(url)) {
      usage(MessageHelper.getMessage("String_Node_Str","String_Node_Str"));
      return;
    }
    if (method == null) {
      method="String_Node_Str";
    }
    HttpParameters.Builder builder=HttpParameters.newBuilder();
    builder.api(api).version(version).method(method).requestURL(url).accessKey(ak).secretKey(sk);
    if (headers != null) {
      for (      String header : headers) {
        String[] kv=header.split("String_Node_Str",2);
        if (kv == null || kv.length != 2) {
          System.out.println("String_Node_Str" + header);
          return;
        }
        builder.putHeaderParamsMap(kv[0],kv[1]);
      }
    }
    if (params != null) {
      for (      String param : params) {
        String[] kv=param.split("String_Node_Str",2);
        if (kv == null || kv.length != 2) {
          System.out.println(MessageHelper.getMessage("String_Node_Str",param));
          return;
        }
        builder.putParamsMap(kv[0],kv[1]);
      }
    }
    if (cbJSON != null) {
      if ("String_Node_Str".equalsIgnoreCase(method) || "String_Node_Str".equalsIgnoreCase(method)) {
        System.out.println(MessageHelper.getMessage("String_Node_Str"));
        return;
      }
      if (cbJSON.startsWith("String_Node_Str")) {
        System.out.println(MessageHelper.getMessage("String_Node_Str"));
        return;
      }
      builder.contentBody(new ContentBody(cbJSON));
    }
    builder.nonce(nonce);
    boolean curlOnly=false;
    if (method.toLowerCase().startsWith("String_Node_Str")) {
      curlOnly=true;
      HttpCaller.setCurlResponse(true);
    }
    StringBuffer resHttpHeaders=new StringBuffer();
    if (proxy != null) {
      String errMsg=MessageHelper.getMessage("String_Node_Str",proxy);
      String[] pcs=proxy.split("String_Node_Str");
      if (pcs == null || pcs.length != 2) {
        System.out.println(errMsg);
        return;
      }
      try {
        HttpCaller.setProxyHost(pcs[0],Integer.parseInt(pcs[1]),null);
      }
 catch (      Exception e) {
        System.out.println(errMsg);
        return;
      }
    }
    String ret=HttpCaller.invoke(builder.build(),resHttpHeaders);
    if (curlOnly) {
      System.out.println("String_Node_Str" + ret);
    }
 else {
      System.out.println("String_Node_Str" + resHttpHeaders.toString());
      System.out.println("String_Node_Str" + ret);
      System.out.println("String_Node_Str" + HttpCaller.changeCharset(ret));
      int times=Integer.getInteger("String_Node_Str",0);
      for (int i=2; i <= times; i++) {
        ret=HttpCaller.invoke(builder.build(),null);
        System.out.println("String_Node_Str" + i + "String_Node_Str"+ ret);
      }
    }
  }
 catch (  Exception e) {
    System.out.println("String_Node_Str" + e.getMessage());
    if (isDebug)     e.printStackTrace(System.out);
  }
}

Fixed version (ground truth):
public static void main(String[] args){
  CommandLineParser parser=new DefaultParser();
  Boolean isDebug=false;
  try {
    CommandLine commandline=parser.parse(opt,args);
    if (commandline.getOptions().length == 0 && commandline.getArgs().length > 0) {
      CmdCaller.main(args);
      return;
    }
    if (commandline.hasOption("String_Node_Str")) {
      usage(null);
      return;
    }
    String ak=commandline.getOptionValue("String_Node_Str");
    String sk=commandline.getOptionValue("String_Node_Str");
    String api=commandline.getOptionValue("String_Node_Str");
    String version=commandline.getOptionValue("String_Node_Str");
    String method=commandline.getOptionValue("String_Node_Str");
    String[] headers=commandline.getOptionValues("String_Node_Str");
    String[] params=commandline.getOptionValues("String_Node_Str");
    String url=commandline.getOptionValue("String_Node_Str");
    String proxy=commandline.getOptionValue("String_Node_Str");
    String cbJSON=commandline.getOptionValue("String_Node_Str");
    boolean nonce=commandline.hasOption("String_Node_Str");
    isDebug=commandline.hasOption("String_Node_Str");
    if (isDebug) {
      System.out.println("String_Node_Str" + url);
      System.out.println("String_Node_Str" + api);
      System.out.println("String_Node_Str" + version);
      System.out.println("String_Node_Str" + ak);
      System.out.println("String_Node_Str" + sk);
      System.out.println("String_Node_Str" + proxy);
      System.out.println("String_Node_Str" + nonce);
      printKV("String_Node_Str",headers);
      printKV("String_Node_Str",params);
    }
    if (isEmpty(api)) {
      usage(MessageHelper.getMessage("String_Node_Str","String_Node_Str"));
      return;
    }
    if (isEmpty(version)) {
      usage(MessageHelper.getMessage("String_Node_Str","String_Node_Str"));
      return;
    }
    if (isEmpty(url)) {
      usage(MessageHelper.getMessage("String_Node_Str","String_Node_Str"));
      return;
    }
    if (method == null) {
      method="String_Node_Str";
    }
    HttpParameters.Builder builder=HttpParameters.newBuilder();
    builder.api(api).version(version).method(method).requestURL(url).accessKey(ak).secretKey(sk);
    if (headers != null) {
      for (      String header : headers) {
        String[] kv=header.split("String_Node_Str",2);
        if (kv == null || kv.length != 2) {
          System.out.println("String_Node_Str" + header);
          return;
        }
        builder.putHeaderParamsMap(kv[0],kv[1]);
      }
    }
    if (params != null) {
      for (      String param : params) {
        String[] kv=param.split("String_Node_Str",2);
        if (kv == null || kv.length != 2) {
          System.out.println(MessageHelper.getMessage("String_Node_Str",param));
          return;
        }
        builder.putParamsMap(kv[0],kv[1]);
      }
    }
    if (cbJSON != null) {
      if ("String_Node_Str".equalsIgnoreCase(method) || "String_Node_Str".equalsIgnoreCase(method)) {
        System.out.println(MessageHelper.getMessage("String_Node_Str"));
        return;
      }
      if (cbJSON.startsWith("String_Node_Str")) {
        System.out.println(MessageHelper.getMessage("String_Node_Str"));
        return;
      }
      builder.contentBody(new ContentBody(cbJSON));
    }
    builder.nonce(nonce);
    boolean curlOnly=false;
    if (method.toLowerCase().startsWith("String_Node_Str")) {
      curlOnly=true;
      HttpCaller.setCurlResponse(true);
    }
    StringBuffer resHttpHeaders=new StringBuffer();
    if (proxy != null) {
      String errMsg=MessageHelper.getMessage("String_Node_Str",proxy);
      String[] pcs=proxy.split("String_Node_Str");
      if (pcs == null || pcs.length != 2) {
        System.out.println(errMsg);
        return;
      }
      try {
        HttpCaller.setProxyHost(pcs[0],Integer.parseInt(pcs[1]),null);
      }
 catch (      Exception e) {
        System.out.println(errMsg);
        return;
      }
    }
    String ret=HttpCaller.invoke(builder.build(),resHttpHeaders);
    if (curlOnly) {
      System.out.println("String_Node_Str" + ret);
    }
 else {
      System.out.println("String_Node_Str" + resHttpHeaders.toString());
      System.out.println("String_Node_Str" + ret);
      System.out.println("String_Node_Str" + HttpCaller.changeCharset(ret));
      int times=Integer.getInteger("String_Node_Str",0);
      for (int i=2; i <= times; i++) {
        ret=HttpCaller.invoke(builder.build(),null);
        System.out.println("String_Node_Str" + i + "String_Node_Str"+ ret);
      }
    }
  }
 catch (  Exception e) {
    System.out.println("String_Node_Str" + e.getMessage());
    e.printStackTrace(System.out);
  }
}