Examples of com.sun.management.HotSpotDiagnosticMXBean.dumpHeap()

Class com.sun.management.HotSpotDiagnosticMXBean

Examples of com.sun.management.HotSpotDiagnosticMXBean.dumpHeap()

com.sun.management.HotSpotDiagnosticMXBean.dumpHeap()
Dumps the heap to the outputFile file in the same format as the hprof heap dump.
If this method is called remotely from another process, the heap dump output is written to a file named outputFile on the machine where the target VM is running. If outputFile is a relative path, it is relative to the working directory where the target VM was started. @param outputFile the system-dependent filename @param live if true dump only live objectsi.e. objects that are reachable from others @throws IOException if the outputFilecannot be created, opened, or written to. @throws UnsupportedOperationException if this operation is not supported. @throws NullPointerException if outputFile is null.

        OutputStream out = null;
        try {
            MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
            HotSpotDiagnosticMXBean diagnosticMXBean = ManagementFactory.newPlatformMXBeanProxy(mBeanServer,
                    "com.sun.management:type=HotSpotDiagnostic", HotSpotDiagnosticMXBean.class);
            diagnosticMXBean.dumpHeap("heapdump.txt", false);
            // copy the dump in the destination
            File heapDumpFile = new File("heapdump.txt");
            in = new FileInputStream(heapDumpFile);
            out = destination.add("heapdump.txt");
            byte[] buffer = new byte[2048];

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            MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
            HotSpotDiagnosticMXBean diagnosticMXBean = ManagementFactory.newPlatformMXBeanProxy(mBeanServer,
                    "com.sun.management:type=HotSpotDiagnostic", HotSpotDiagnosticMXBean.class);
            heapDumpFile = File.createTempFile("heapdump", ".txt");
            heapDumpFile.delete();
            diagnosticMXBean.dumpHeap(heapDumpFile.getAbsolutePath(), false);
            // copy the dump in the destination
            in = new FileInputStream(heapDumpFile);
            out = destination.add("heapdump.txt");
            byte[] buffer = new byte[2048];
            int l;

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        try {
            bean = ManagementFactory.newPlatformMXBeanProxy(platformBean,
                                                            "com.sun.management:type=HotSpotDiagnostic", 
                                                            HotSpotDiagnosticMXBean.class);
            deleteFile(heapName);
            bean.dumpHeap(heapName, false);
        } catch(Exception ex){
            ex.printStackTrace();
        } 
    }

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        OutputStream out = null;
        try {
            MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
            HotSpotDiagnosticMXBean diagnosticMXBean = ManagementFactory.newPlatformMXBeanProxy(mBeanServer,
                    "com.sun.management:type=HotSpotDiagnostic", HotSpotDiagnosticMXBean.class);
            diagnosticMXBean.dumpHeap("heapdump.txt", false);
            // copy the dump in the destination
            File heapDumpFile = new File("heapdump.txt");
            in = new FileInputStream(heapDumpFile);
            out = destination.add("heapdump.txt");
            byte[] buffer = new byte[2048];

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      tmp=SystemUtil.getTempFile("hprof",false);
      path=tmp.getAbsolutePath();
    }
    try{
      // it only 
      mxbean.dumpHeap(path, live);
    }
    finally{
      if(tmp!=null && tmp.exists()){
        tmp.moveTo(res);
      }

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public class DumpHeap {
    public static void main(String[] argv) throws Exception {
         MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
         HotSpotDiagnosticMXBean dm = sun.management.ManagementFactory.getDiagnosticMXBean();
         System.out.println("Dumping to file: " + argv[0] + " ....");
         dm.dumpHeap(argv[0], true);
    }
}

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            boolean live = (args.length == 2) && !args[1].isEmpty() && (args[1].equals("live") || args[1].equals("l"));
            new File("dumps").mkdir();
            String filename = "dumps/HeapDump" + (live ? "Live" : "") + "-" + new SimpleDateFormat("MMddHHmmss").format(System.currentTimeMillis()) + ".hprof";
            MBeanServer server = ManagementFactory.getPlatformMBeanServer();
            HotSpotDiagnosticMXBean bean = ManagementFactory.newPlatformMXBeanProxy(server, "com.sun.management:type=HotSpotDiagnostic", HotSpotDiagnosticMXBean.class);
            bean.dumpHeap(filename, live);
            sb.append("Heap dumped.\n");
          }
          catch (IOException e)
          {
            sb.append("Exception: " + e.getMessage() + "!\n");

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