Program: 64242
Project: 64242
Buggy source:
/** 
 * Sets up the environment for toExecute and then runs it.
 * @throws BuildException
 */
protected void runCommand(Commandline toExecute) throws BuildException {
  Environment env=new Environment();
  if (port > 0) {
    Environment.Variable var=new Environment.Variable();
    var.setKey("String_Node_Str");
    var.setValue(String.valueOf(port));
    env.addVariable(var);
  }
  if (passFile == null) {
    File defaultPassFile=new File(System.getProperty("String_Node_Str",System.getProperty("String_Node_Str")) + File.separatorChar + "String_Node_Str");
    if (defaultPassFile.exists())     this.setPassfile(defaultPassFile);
  }
  if (passFile != null) {
    Environment.Variable var=new Environment.Variable();
    var.setKey("String_Node_Str");
    var.setValue(String.valueOf(passFile));
    env.addVariable(var);
    log("String_Node_Str" + String.valueOf(passFile),Project.MSG_INFO);
  }
  if (cvsRsh != null) {
    Environment.Variable var=new Environment.Variable();
    var.setKey("String_Node_Str");
    var.setValue(String.valueOf(cvsRsh));
    env.addVariable(var);
  }
  Execute exe=new Execute(getExecuteStreamHandler(),null);
  exe.setAntRun(getProject());
  if (dest == null) {
    dest=getProject().getBaseDir();
  }
  if (!dest.exists()) {
    dest.mkdirs();
  }
  exe.setWorkingDirectory(dest);
  exe.setCommandline(toExecute.getCommandline());
  exe.setEnvironment(env.getVariables());
  try {
    String actualCommandLine=executeToString(exe);
    log(actualCommandLine,Project.MSG_VERBOSE);
    int retCode=exe.execute();
    log("String_Node_Str" + retCode,Project.MSG_DEBUG);
    if (failOnError && retCode != 0) {
      throw new BuildException("String_Node_Str" + retCode + StringUtils.LINE_SEP+ "String_Node_Str"+ actualCommandLine+ "String_Node_Str",getLocation());
    }
  }
 catch (  IOException e) {
    if (failOnError) {
      throw new BuildException(e,getLocation());
    }
 else {
      log("String_Node_Str" + e.getMessage(),Project.MSG_WARN);
    }
  }
catch (  BuildException e) {
    if (failOnError) {
      throw (e);
    }
 else {
      Throwable t=e.getException();
      if (t == null) {
        t=e;
      }
      log("String_Node_Str" + t.getMessage(),Project.MSG_WARN);
    }
  }
catch (  Exception e) {
    if (failOnError) {
      throw new BuildException(e,getLocation());
    }
 else {
      log("String_Node_Str" + e.getMessage(),Project.MSG_WARN);
    }
  }
 finally {
    if (outputStream != null) {
      try {
        outputStream.close();
      }
 catch (      IOException e) {
      }
    }
    if (errorStream != null) {
      try {
        errorStream.close();
      }
 catch (      IOException e) {
      }
    }
  }
}

Fixed version (ground truth):
/** 
 * Sets up the environment for toExecute and then runs it.
 * @throws BuildException
 */
protected void runCommand(Commandline toExecute) throws BuildException {
  Environment env=new Environment();
  if (port > 0) {
    Environment.Variable var=new Environment.Variable();
    var.setKey("String_Node_Str");
    var.setValue(String.valueOf(port));
    env.addVariable(var);
  }
  if (passFile == null) {
    File defaultPassFile=new File(System.getProperty("String_Node_Str",System.getProperty("String_Node_Str")) + File.separatorChar + "String_Node_Str");
    if (defaultPassFile.exists()) {
      this.setPassfile(defaultPassFile);
    }
  }
  if (passFile != null) {
    if (passFile.isFile() && passFile.canRead()) {
      Environment.Variable var=new Environment.Variable();
      var.setKey("String_Node_Str");
      var.setValue(String.valueOf(passFile));
      env.addVariable(var);
      log("String_Node_Str" + String.valueOf(passFile),Project.MSG_INFO);
    }
 else     if (!passFile.canRead()) {
      log("String_Node_Str" + String.valueOf(passFile) + "String_Node_Str",Project.MSG_WARN);
    }
 else {
      log("String_Node_Str" + String.valueOf(passFile) + "String_Node_Str",Project.MSG_WARN);
    }
  }
  if (cvsRsh != null) {
    Environment.Variable var=new Environment.Variable();
    var.setKey("String_Node_Str");
    var.setValue(String.valueOf(cvsRsh));
    env.addVariable(var);
  }
  Execute exe=new Execute(getExecuteStreamHandler(),null);
  exe.setAntRun(getProject());
  if (dest == null) {
    dest=getProject().getBaseDir();
  }
  if (!dest.exists()) {
    dest.mkdirs();
  }
  exe.setWorkingDirectory(dest);
  exe.setCommandline(toExecute.getCommandline());
  exe.setEnvironment(env.getVariables());
  try {
    String actualCommandLine=executeToString(exe);
    log(actualCommandLine,Project.MSG_VERBOSE);
    int retCode=exe.execute();
    log("String_Node_Str" + retCode,Project.MSG_DEBUG);
    if (failOnError && retCode != 0) {
      throw new BuildException("String_Node_Str" + retCode + StringUtils.LINE_SEP+ "String_Node_Str"+ actualCommandLine+ "String_Node_Str",getLocation());
    }
  }
 catch (  IOException e) {
    if (failOnError) {
      throw new BuildException(e,getLocation());
    }
 else {
      log("String_Node_Str" + e.getMessage(),Project.MSG_WARN);
    }
  }
catch (  BuildException e) {
    if (failOnError) {
      throw (e);
    }
 else {
      Throwable t=e.getException();
      if (t == null) {
        t=e;
      }
      log("String_Node_Str" + t.getMessage(),Project.MSG_WARN);
    }
  }
catch (  Exception e) {
    if (failOnError) {
      throw new BuildException(e,getLocation());
    }
 else {
      log("String_Node_Str" + e.getMessage(),Project.MSG_WARN);
    }
  }
 finally {
    if (outputStream != null) {
      try {
        outputStream.close();
      }
 catch (      IOException e) {
      }
    }
    if (errorStream != null) {
      try {
        errorStream.close();
      }
 catch (      IOException e) {
      }
    }
  }
}