How to use

fromStderr

method

in

hudson.util.StreamTaskListener

  System.err.println(build + " could not be renamed");
Util.createSymlink(builds, id, Integer.toString(number), StreamTaskListener.fromStderr());

public CpsFlowExecution create(FlowExecutionOwner handle, Action... actions) throws IOException {
  return create(handle, StreamTaskListener.fromStderr(), Arrays.asList(actions));
}

public synchronized PerformanceReportMap getPerformanceReportMap(boolean isInitNextLevel) {
  PerformanceReportMap reportMap = null;
  WeakReference<PerformanceReportMap> wr = this.performanceReportMap;
  if (wr != null) {
    reportMap = wr.get();
    if (reportMap != null) {
      return reportMap;
    }
  }
  try {
    reportMap = new PerformanceReportMap(this, StreamTaskListener.fromStderr(), isInitNextLevel);
  } catch (IOException e) {
    logger.log(Level.SEVERE, "Error creating new PerformanceReportMap()", e);
  }
  this.performanceReportMap = new WeakReference<>(reportMap);
  return reportMap;
}

  System.err.println(build + " could not be renamed");
Util.createSymlink(builds, id, Integer.toString(number), StreamTaskListener.fromStderr());

private ProcReturn execCommand(boolean quiet, String... cmd) throws Exception {
  ByteArrayOutputStream out = new ByteArrayOutputStream();
  Launcher launcher = decorator
      .decorate(new DummyLauncher(new StreamTaskListener(new TeeOutputStream(out, System.out))), null);
  ContainerExecProc proc = (ContainerExecProc) launcher
      .launch(launcher.new ProcStarter().pwd("/tmp").cmds(cmd).quiet(quiet));
  // wait for proc to finish (shouldn't take long)
  while (proc.isAlive()) {
    Thread.sleep(100);
  }
  assertFalse("proc is alive", proc.isAlive());
  int exitCode = proc.joinWithTimeout(10, TimeUnit.SECONDS, StreamTaskListener.fromStderr());
  return new ProcReturn(proc, exitCode, out.toString());
}