Program: 64140
Project: 64140
Buggy source:
/** 
 * Execute a list of tests in a single forked Java VM.
 * @param testList the list of tests to execute.
 * @throws BuildException on error.
 */
protected void execute(List testList) throws BuildException {
  JUnitTest test=null;
  File casesFile=createTempPropertiesFile("String_Node_Str");
  BufferedWriter writer=null;
  try {
    writer=new BufferedWriter(new FileWriter(casesFile));
    log("String_Node_Str" + casesFile.getAbsolutePath() + "String_Node_Str",Project.MSG_VERBOSE);
    PrintStream logWriter=new PrintStream(new LogOutputStream(this,Project.MSG_VERBOSE));
    Iterator iter=testList.iterator();
    while (iter.hasNext()) {
      test=(JUnitTest)iter.next();
      printDual(writer,logWriter,test.getName());
      if (test.getMethods() != null) {
        printDual(writer,logWriter,"String_Node_Str" + test.getMethodsString().replace(',','+'));
      }
      if (test.getTodir() == null) {
        printDual(writer,logWriter,"String_Node_Str" + getProject().resolveFile("String_Node_Str"));
      }
 else {
        printDual(writer,logWriter,"String_Node_Str" + test.getTodir());
      }
      if (test.getOutfile() == null) {
        printlnDual(writer,logWriter,"String_Node_Str" + "String_Node_Str" + test.getName());
      }
 else {
        printlnDual(writer,logWriter,"String_Node_Str" + test.getOutfile());
      }
    }
    writer.flush();
    writer.close();
    writer=null;
    ExecuteWatchdog watchdog=createWatchdog();
    TestResultHolder result=executeAsForked(test,watchdog,casesFile);
    actOnTestResult(result,test,"String_Node_Str");
  }
 catch (  IOException e) {
    log(e.toString(),Project.MSG_ERR);
    throw new BuildException(e);
  }
 finally {
    FILE_UTILS.close(writer);
    try {
      FILE_UTILS.tryHardToDelete(casesFile);
    }
 catch (    Exception e) {
      log(e.toString(),Project.MSG_ERR);
    }
  }
}

Fixed version (ground truth):
/** 
 * Execute a list of tests in a single forked Java VM.
 * @param testList the list of tests to execute.
 * @throws BuildException on error.
 */
protected void execute(List testList) throws BuildException {
  JUnitTest test=null;
  File casesFile=createTempPropertiesFile("String_Node_Str");
  BufferedWriter writer=null;
  try {
    writer=new BufferedWriter(new FileWriter(casesFile));
    log("String_Node_Str" + casesFile.getAbsolutePath() + "String_Node_Str",Project.MSG_VERBOSE);
    PrintStream logWriter=new PrintStream(new LogOutputStream(this,Project.MSG_VERBOSE));
    Iterator iter=testList.iterator();
    while (iter.hasNext()) {
      test=(JUnitTest)iter.next();
      printDual(writer,logWriter,test.getName());
      if (test.getMethods() != null) {
        printDual(writer,logWriter,"String_Node_Str" + test.getMethodsString().replace(',','+'));
      }
      if (test.getTodir() == null) {
        printDual(writer,logWriter,"String_Node_Str" + getProject().resolveFile("String_Node_Str"));
      }
 else {
        printDual(writer,logWriter,"String_Node_Str" + test.getTodir());
      }
      if (test.getOutfile() == null) {
        printlnDual(writer,logWriter,"String_Node_Str" + "String_Node_Str" + test.getName());
      }
 else {
        printlnDual(writer,logWriter,"String_Node_Str" + test.getOutfile());
      }
    }
    writer.flush();
    writer.close();
    writer=null;
    ExecuteWatchdog watchdog=createWatchdog();
    TestResultHolder result=executeAsForked(test,watchdog,casesFile);
    actOnTestResult(result,test,"String_Node_Str");
  }
 catch (  IOException e) {
    log(e.toString(),Project.MSG_ERR);
    throw new BuildException(e);
  }
 finally {
    FileUtils.close(writer);
    try {
      FILE_UTILS.tryHardToDelete(casesFile);
    }
 catch (    Exception e) {
      log(e.toString(),Project.MSG_ERR);
    }
  }
}