Program: 96195
Project: 96195
Buggy source:
/** 
 * {@inheritDoc}
 */
protected void extendValidate(JobConfiguration job,StringBuilder errorMsgs){
  if (job.getProjectName() == null) {
    appendError(errorMsgs,ClientTestStrings.PROJECT,ClientTestStrings.PROJECT_NAME);
  }
  if (job.getProjectMajor() == null || job.getProjectMinor() == null) {
    appendError(errorMsgs,ClientTestStrings.PROJECT_VERSION,ClientTestStrings.PROJECT_VERSION_EX);
  }
  if (job.getServer() == null) {
    appendError(errorMsgs,ClientTestStrings.SERVER,ClientTestStrings.HOSTNAME);
  }
  if (job.getPort() == null) {
    appendError(errorMsgs,ClientTestStrings.PORT,ClientTestStrings.PORT_NUMBER);
  }
  if (job.getAutConfigName() == null && job.getAutId() == null && job.getTestJobName() == null) {
    appendError(errorMsgs,ClientTestStrings.AUT_CONFIG,ClientTestStrings.AUT_CONFIG);
    appendError(errorMsgs,ClientTestStrings.AUT_ID,ClientTestStrings.AUT_ID);
  }
  if (job.getLanguage() == null) {
    appendError(errorMsgs,ClientTestStrings.LANGUAGE,ClientTestStrings.LANGUAGE);
  }
  if (job.getResultDir() == null) {
    appendError(errorMsgs,ClientTestStrings.RESULTDIR,ClientTestStrings.RESULTDIR);
  }
  if (job.getDataDir() == null) {
    appendError(errorMsgs,ClientTestStrings.DATA_DIR,ClientTestStrings.DATA_DIR_EX);
  }
  if (job.getTestSuiteName() == null && job.getTestJobName() == null && job.getServerPort() == null) {
    appendError(errorMsgs,ClientTestStrings.TESTSUITE,ClientTestStrings.TESTSUITE);
    appendError(errorMsgs,ClientTestStrings.TESTJOB,ClientTestStrings.TESTJOB);
  }
  if (job.getTimeout() < 0) {
    appendError(errorMsgs,ClientTestStrings.TIMEOUT,ClientTestStrings.TIMEOUT);
  }
}

Fixed version (ground truth):
/** 
 * {@inheritDoc}
 */
protected void extendValidate(JobConfiguration job,StringBuilder errorMsgs){
  if (job.getProjectName() == null) {
    appendError(errorMsgs,ClientTestStrings.PROJECT,ClientTestStrings.PROJECT_NAME);
  }
  if (job.getProjectMajor() == null || job.getProjectMinor() == null) {
    appendError(errorMsgs,ClientTestStrings.PROJECT_VERSION,ClientTestStrings.PROJECT_VERSION_EX);
  }
  if (job.getServer() == null) {
    appendError(errorMsgs,ClientTestStrings.SERVER,ClientTestStrings.HOSTNAME);
  }
  if (job.getPort() == null) {
    appendError(errorMsgs,ClientTestStrings.PORT,ClientTestStrings.PORT_NUMBER);
  }
  if (job.getAutConfigName() == null && job.getAutId() == null && job.getTestJobName() == null) {
    appendError(errorMsgs,ClientTestStrings.AUT_CONFIG,ClientTestStrings.AUT_CONFIG);
    appendError(errorMsgs,ClientTestStrings.AUT_ID,ClientTestStrings.AUT_ID);
  }
  if (job.getLanguage() == null) {
    appendError(errorMsgs,ClientTestStrings.LANGUAGE,ClientTestStrings.LANGUAGE);
  }
  if (job.getResultDir() == null) {
    appendError(errorMsgs,ClientTestStrings.RESULTDIR,ClientTestStrings.RESULTDIR);
  }
  if (job.getDataDir() == null) {
    appendError(errorMsgs,ClientTestStrings.DATA_DIR,ClientTestStrings.DATA_DIR_EX);
  }
  if (job.getTestSuiteNames().isEmpty() && job.getTestJobName() == null && job.getServerPort() == null) {
    appendError(errorMsgs,ClientTestStrings.TESTSUITE,ClientTestStrings.TESTSUITE);
    appendError(errorMsgs,ClientTestStrings.TESTJOB,ClientTestStrings.TESTJOB);
  }
  if (job.getTimeout() < 0) {
    appendError(errorMsgs,ClientTestStrings.TIMEOUT,ClientTestStrings.TIMEOUT);
  }
}