BAEL-3838 Capturing a Java Thread Dump (eugenp#8780)

musibs · Somnath Musib · web-flow · commit 0d674b373dff · 2020-03-06T17:12:06.000Z
Co-authored-by: Somnath Musib &lt;somnath.musib@voltbank.com.au&gt;
diff --git a/core-java-modules/core-java-perf/src/main/java/com/baeldung/threaddump/ThreadDump.java b/core-java-modules/core-java-perf/src/main/java/com/baeldung/threaddump/ThreadDump.java
@@ -0,0 +1,28 @@
+package com.baeldung.threaddump;
+
+import java.io.IOException;
+import java.lang.management.ManagementFactory;
+import java.lang.management.ThreadInfo;
+import java.lang.management.ThreadMXBean;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+public class ThreadDump {
+    
+    public static void main(String[] args) throws IOException {
+        threadDump(true, true);
+    }
+    
+    private static void threadDump(boolean lockedMonitors, boolean lockedSynchronizers) throws IOException {
+        Path threadDumpFile = Paths.get("ThreadDump.txt");
+        
+        StringBuffer threadDump = new StringBuffer(System.lineSeparator());
+        ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
+        for(ThreadInfo threadInfo : threadMXBean.dumpAllThreads(lockedMonitors, lockedSynchronizers)) {
+            threadDump.append(threadInfo.toString());
+        }
+        Files.write(threadDumpFile, threadDump.toString().getBytes());
+    }
+
+}
