Example usage for java.lang.management ThreadMXBean getAllThreadIds

Introduction

In this page you can find the example usage for java.lang.management ThreadMXBean getAllThreadIds.

Prototype

public long[] getAllThreadIds();

Source Link

Document

Returns all live thread IDs.

Usage

From source file:serposcope.controllers.admin.AdminController.java

public Result stackdump(Context context) {

    return Results.contentType("text/plain").render((ctx, res) -> {
        ResponseStreams responseStreams = context.finalizeHeaders(res);
        try (PrintWriter writer = new PrintWriter(responseStreams.getOutputStream());) {
            final ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
            final ThreadInfo[] threadInfos = threadMXBean.getThreadInfo(threadMXBean.getAllThreadIds(), 100);
            for (ThreadInfo threadInfo : threadInfos) {
                writer.append('"');
                writer.append(threadInfo.getThreadName());
                writer.append("\" ");
                final Thread.State state = threadInfo.getThreadState();
                writer.append("\n   java.lang.Thread.State: ");
                writer.append(state.toString());
                final StackTraceElement[] stackTraceElements = threadInfo.getStackTrace();
                for (final StackTraceElement stackTraceElement : stackTraceElements) {
                    writer.append("\n        at ");
                    writer.append(stackTraceElement.toString());
                }//from   w ww .  j ava 2 s.  c  o  m
                writer.println("\n");
            }
        } catch (IOException ex) {
            LOG.error("stackdump", ex);
        }
    });
}