Program: 9258
Project: 9258
Buggy source:
/** 
 * Run the given class, and return the result in a RunResult. The program runs with a classpath containing the sandbox directory, runtime, testing-client, bridge, and util projects (all used by the Tester class), and any jars in the sandbox.
 * @param args the arguments to pass to the program.
 * @param classpath the execution classpath, the sandbox directory, runtime, testing-client,bridge, and util projects will all be appended to the classpath, as will any jars in the sandbox.
 */
public RunResult run(String className,String[] args,String classpath,boolean useLTW){
  lastRunResult=null;
  StringBuffer cp=new StringBuffer();
  if (classpath != null) {
    cp.append(substituteSandbox(classpath));
    cp.append(File.pathSeparator);
  }
  cp.append(ajc.getSandboxDirectory().getAbsolutePath());
  cp.append(DEFAULT_CLASSPATH_ENTRIES);
  getAnyJars(ajc.getSandboxDirectory(),cp);
  classpath=cp.toString();
  StringBuffer command=new StringBuffer("String_Node_Str");
  command.append(classpath);
  command.append("String_Node_Str");
  command.append(className);
  for (int i=0; i < args.length; i++) {
    command.append("String_Node_Str");
    command.append(args[i]);
  }
  ByteArrayOutputStream baosOut=new ByteArrayOutputStream();
  ByteArrayOutputStream baosErr=new ByteArrayOutputStream();
  StringTokenizer strTok=new StringTokenizer(classpath,File.pathSeparator);
  URL[] urls=new URL[strTok.countTokens()];
  try {
    for (int i=0; i < urls.length; i++) {
      urls[i]=new File(strTok.nextToken()).getCanonicalFile().toURL();
    }
  }
 catch (  Exception malEx) {
    fail("String_Node_Str" + classpath);
  }
  URLClassLoader cLoader;
  if (useLTW) {
    ClassLoader parent=getClass().getClassLoader();
    cLoader=new WeavingURLClassLoader(urls,parent);
  }
 else {
    cLoader=new URLClassLoader(urls,null);
  }
  try {
    try {
      Class testerClass=cLoader.loadClass("String_Node_Str");
      Method setBaseDir=testerClass.getDeclaredMethod("String_Node_Str",new Class[]{File.class});
      setBaseDir.invoke(null,new Object[]{ajc.getSandboxDirectory()});
    }
 catch (    Exception ex) {
      fail("String_Node_Str" + ex);
    }
    startCapture(baosErr,baosOut);
    Class toRun=cLoader.loadClass(className);
    Method mainMethod=toRun.getMethod("String_Node_Str",new Class[]{String[].class});
    mainMethod.invoke(null,new Object[]{args});
    lastRunResult=new RunResult(command.toString(),new String(baosOut.toByteArray()),new String(baosErr.toByteArray()));
  }
 catch (  ClassNotFoundException cnf) {
    fail("String_Node_Str" + className);
  }
catch (  NoSuchMethodException nsm) {
    fail(className + "String_Node_Str");
  }
catch (  IllegalAccessException illEx) {
    fail("String_Node_Str" + className + "String_Node_Str");
  }
catch (  InvocationTargetException invTgt) {
    fail("String_Node_Str" + className + "String_Node_Str"+ invTgt.getTargetException());
  }
 finally {
    stopCapture(baosErr,baosOut);
  }
  return lastRunResult;
}

Fixed version (ground truth):
/** 
 * Run the given class, and return the result in a RunResult. The program runs with a classpath containing the sandbox directory, runtime, testing-client, bridge, and util projects (all used by the Tester class), and any jars in the sandbox.
 * @param args the arguments to pass to the program.
 * @param classpath the execution classpath, the sandbox directory, runtime, testing-client,bridge, and util projects will all be appended to the classpath, as will any jars in the sandbox.
 */
public RunResult run(String className,String[] args,final String classpath,boolean useLTW){
  lastRunResult=null;
  StringBuffer cp=new StringBuffer();
  if (classpath != null) {
    cp.append(substituteSandbox(classpath));
    cp.append(File.pathSeparator);
  }
  cp.append(ajc.getSandboxDirectory().getAbsolutePath());
  getAnyJars(ajc.getSandboxDirectory(),cp);
  URLClassLoader cLoader;
  ClassLoader parent=getClass().getClassLoader().getParent();
  if (useLTW) {
    ClassLoader aspectjLoader=new URLClassLoader(getURLs(DEFAULT_CLASSPATH_ENTRIES),parent);
    URL[] urls=getURLs(cp.toString());
    cLoader=createWeavingClassLoader(urls,aspectjLoader);
  }
 else {
    cp.append(DEFAULT_CLASSPATH_ENTRIES);
    URL[] urls=getURLs(cp.toString());
    cLoader=new URLClassLoader(urls,parent);
  }
  StringBuffer command=new StringBuffer("String_Node_Str");
  command.append(cp.toString());
  command.append("String_Node_Str");
  command.append(className);
  for (int i=0; i < args.length; i++) {
    command.append("String_Node_Str");
    command.append(args[i]);
  }
  ByteArrayOutputStream baosOut=new ByteArrayOutputStream();
  ByteArrayOutputStream baosErr=new ByteArrayOutputStream();
  try {
    try {
      Class testerClass=cLoader.loadClass("String_Node_Str");
      Method setBaseDir=testerClass.getDeclaredMethod("String_Node_Str",new Class[]{File.class});
      setBaseDir.invoke(null,new Object[]{ajc.getSandboxDirectory()});
    }
 catch (    InvocationTargetException itEx) {
      fail("String_Node_Str" + itEx.getTargetException());
    }
catch (    Exception ex) {
      fail("String_Node_Str" + ex);
    }
    startCapture(baosErr,baosOut);
    Class toRun=cLoader.loadClass(className);
    Method mainMethod=toRun.getMethod("String_Node_Str",new Class[]{String[].class});
    mainMethod.invoke(null,new Object[]{args});
    lastRunResult=new RunResult(command.toString(),new String(baosOut.toByteArray()),new String(baosErr.toByteArray()));
  }
 catch (  ClassNotFoundException cnf) {
    fail("String_Node_Str" + className);
  }
catch (  NoSuchMethodException nsm) {
    fail(className + "String_Node_Str");
  }
catch (  IllegalAccessException illEx) {
    fail("String_Node_Str" + className + "String_Node_Str");
  }
catch (  InvocationTargetException invTgt) {
    fail("String_Node_Str" + className + "String_Node_Str"+ invTgt.getTargetException());
  }
 finally {
    stopCapture(baosErr,baosOut);
  }
  return lastRunResult;
}