Program: 9254
Project: 9254
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,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;
}

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 sandboxLoader;
  URLClassLoader testLoader=(URLClassLoader)getClass().getClassLoader();
  ClassLoader parentLoader=testLoader.getParent();
  if (useLTW) {
    URL[] testUrls=testLoader.getURLs();
    URL[] java5Urls=getURLs(JAVA5_CLASSPATH_ENTRIES);
    URL[] urls=new URL[testUrls.length + java5Urls.length];
    System.arraycopy(testUrls,0,urls,0,testUrls.length);
    System.arraycopy(java5Urls,0,urls,testUrls.length,java5Urls.length);
    ClassLoader aspectjLoader=new URLClassLoader(urls,parentLoader);
    URL[] sandboxUrls=getURLs(cp.toString());
    sandboxLoader=createWeavingClassLoader(sandboxUrls,aspectjLoader);
  }
 else {
    cp.append(DEFAULT_CLASSPATH_ENTRIES);
    URL[] urls=getURLs(cp.toString());
    sandboxLoader=new URLClassLoader(urls,parentLoader);
  }
  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();
  ClassLoader contexClassLoader=Thread.currentThread().getContextClassLoader();
  try {
    try {
      Class testerClass=sandboxLoader.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);
    Thread.currentThread().setContextClassLoader(sandboxLoader);
    Class toRun=sandboxLoader.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 {
    Thread.currentThread().setContextClassLoader(contexClassLoader);
    stopCapture(baosErr,baosOut);
  }
  return lastRunResult;
}