Example usage for java.lang.management RuntimeMXBean getBootClassPath

Introduction

In this page you can find the example usage for java.lang.management RuntimeMXBean getBootClassPath.

Prototype

public String getBootClassPath();

Source Link

Document

Returns the boot class path that is used by the bootstrap class loader to search for class files.

Usage

From source file:Main.java

public static void main(String args[]) throws Exception {
    RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
    System.out.println(mx.getBootClassPath());
}

---

From source file:Main.java

public static void main(String args[]) throws Exception {
    RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
    System.out.println(mx.getBootClassPath());

}

---

From source file:Main.java

public static void main(String args[]) throws Exception {
    RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
    System.out.println(mx.getBootClassPath());
    System.out.println(mx.getClassPath());

    System.out.println(mx.getInputArguments());
    System.out.println(mx.getSystemProperties());

    System.out.println(new Date(mx.getStartTime()));
    System.out.println(mx.getUptime() + " ms");

}

---

From source file:com.searchbox.framework.web.SystemController.java

@ModelAttribute("jvmInfo")
public static Map<String, Object> getJvmInfo() {
    Map<String, Object> jvm = new HashMap<String, Object>();

    final String javaVersion = System.getProperty("java.specification.version", "unknown");
    final String javaVendor = System.getProperty("java.specification.vendor", "unknown");
    final String javaName = System.getProperty("java.specification.name", "unknown");
    final String jreVersion = System.getProperty("java.version", "unknown");
    final String jreVendor = System.getProperty("java.vendor", "unknown");
    final String vmVersion = System.getProperty("java.vm.version", "unknown");
    final String vmVendor = System.getProperty("java.vm.vendor", "unknown");
    final String vmName = System.getProperty("java.vm.name", "unknown");

    // Summary Info
    jvm.put("version", jreVersion + " " + vmVersion);
    jvm.put("name", jreVendor + " " + vmName);

    // details/* w ww. j a  va2s.  co  m*/
    Map<String, Object> java = new HashMap<String, Object>();
    java.put("vendor", javaVendor);
    java.put("name", javaName);
    java.put("version", javaVersion);
    jvm.put("spec", java);
    Map<String, Object> jre = new HashMap<String, Object>();
    jre.put("vendor", jreVendor);
    jre.put("version", jreVersion);
    jvm.put("jre", jre);
    Map<String, Object> vm = new HashMap<String, Object>();
    vm.put("vendor", vmVendor);
    vm.put("name", vmName);
    vm.put("version", vmVersion);
    jvm.put("vm", vm);

    Runtime runtime = Runtime.getRuntime();
    jvm.put("processors", runtime.availableProcessors());

    // not thread safe, but could be thread local
    DecimalFormat df = new DecimalFormat("#.#", DecimalFormatSymbols.getInstance(Locale.ROOT));

    Map<String, Object> mem = new HashMap<String, Object>();
    Map<String, Object> raw = new HashMap<String, Object>();
    long free = runtime.freeMemory();
    long max = runtime.maxMemory();
    long total = runtime.totalMemory();
    long used = total - free;
    double percentUsed = ((double) (used) / (double) max) * 100;
    raw.put("free", free);
    mem.put("free", humanReadableUnits(free, df));
    raw.put("total", total);
    mem.put("total", humanReadableUnits(total, df));
    raw.put("max", max);
    mem.put("max", humanReadableUnits(max, df));
    raw.put("used", used);
    mem.put("used", humanReadableUnits(used, df) + " (%" + df.format(percentUsed) + ")");
    raw.put("used%", percentUsed);

    mem.put("raw", raw);
    jvm.put("memory", mem);

    // JMX properties -- probably should be moved to a different handler
    Map<String, Object> jmx = new HashMap<String, Object>();
    try {
        RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
        jmx.put("bootclasspath", mx.getBootClassPath());
        jmx.put("classpath", mx.getClassPath());

        // the input arguments passed to the Java virtual machine
        // which does not include the arguments to the main method.
        jmx.put("commandLineArgs", mx.getInputArguments());

        jmx.put("startTime", new Date(mx.getStartTime()));
        jmx.put("upTimeMS", mx.getUptime());

    } catch (Exception e) {
        LOGGER.warn("Error getting JMX properties", e);
    }
    jvm.put("jmx", jmx);
    return jvm;
}

---

From source file:net.risesoft.soa.asf.web.controller.SystemController.java

private List<SysInfo> getVMInfo() {
    List list = new ArrayList();
    String group = "3. VM ?";
    RuntimeMXBean rt = ManagementFactory.getRuntimeMXBean();
    list.add(new SysInfo("BootClassPath", rt.getBootClassPath(), group));
    list.add(new SysInfo("ClassPath", rt.getClassPath(), group));
    list.add(new SysInfo("LibraryPath", rt.getLibraryPath(), group));
    list.add(new SysInfo("ManagementSpecVersion", rt.getManagementSpecVersion(), group));
    list.add(new SysInfo("Name", rt.getName(), group));
    list.add(new SysInfo("SpecName", rt.getSpecName(), group));
    list.add(new SysInfo("SpecVendor", rt.getSpecVendor(), group));
    list.add(new SysInfo("SpecVersion", rt.getSpecVersion(), group));
    list.add(new SysInfo("VmName", rt.getVmName(), group));
    list.add(new SysInfo("VmVendor", rt.getVmVendor(), group));
    list.add(new SysInfo("VmVersion", rt.getVmVersion(), group));
    list.add(new SysInfo("StartTime", DateFormat.getDateTimeInstance().format(new Date(rt.getStartTime())),
            group));/* w w  w  . j  av  a2  s .  c o m*/

    list.add(new SysInfo("UpTime", this.helper.getUpTimeStr(rt.getUptime()), group));
    list.add(new SysInfo("InputArguments", rt.getInputArguments(), group));

    group = "6. ?";
    Map<String, String> sysProps = rt.getSystemProperties();
    for (Map.Entry entry : sysProps.entrySet()) {
        list.add(new SysInfo((String) entry.getKey(), entry.getValue(), group));
    }
    Collections.sort(list, new Comparator() {
        public int compare(SystemController.SysInfo o1, SystemController.SysInfo o2) {
            String key1 = o1.getKey();
            String key2 = o2.getKey();
            return key1.compareToIgnoreCase(key2);
        }
    });
    return list;
}

---

From source file:com.thoughtworks.go.server.service.support.ServerRuntimeInformationProvider.java

private void runtimeInfo(RuntimeMXBean runtimeMXBean, InformationStringBuilder builder) {
    builder.addSection("Runtime information");
    builder.append(String.format("Name - %s\n", runtimeMXBean.getName()));

    long uptime = runtimeMXBean.getUptime();
    long uptimeInSeconds = uptime / 1000;
    long numberOfHours = uptimeInSeconds / (60 * 60);
    long numberOfMinutes = (uptimeInSeconds / 60) - (numberOfHours * 60);
    long numberOfSeconds = uptimeInSeconds % 60;

    builder.append(String.format("Uptime - %s [About %s hours, %s minutes, %s seconds]\n", uptime,
            numberOfHours, numberOfMinutes, numberOfSeconds));
    builder.append(String.format("Spec Name - %s\n", runtimeMXBean.getSpecName()));
    builder.append(String.format("Spec Vendor - %s\n", runtimeMXBean.getSpecVendor()));
    builder.append(String.format("Spec Version - %s\n", runtimeMXBean.getSpecVersion()));
    builder.addSubSection("Input Arguments")
            .append(asIndentedMultilineValues(runtimeMXBean.getInputArguments()));
    builder.addSubSection("System Properties")
            .append(asIndentedMultilineValues(runtimeMXBean.getSystemProperties()));
    builder.addSubSection("Classpath").append(prettyClassPath(runtimeMXBean.getClassPath()));
    builder.addSubSection("Boot Classpath").append(prettyClassPath(runtimeMXBean.getBootClassPath()));
}

---

From source file:org.apache.solr.handler.admin.SystemInfoHandler.java

/**
 * Get JVM Info - including memory info/* w  w  w . j  av  a 2  s.c  om*/
 */
public static SimpleOrderedMap<Object> getJvmInfo() {
    SimpleOrderedMap<Object> jvm = new SimpleOrderedMap<Object>();
    jvm.add("version", System.getProperty("java.vm.version"));
    jvm.add("name", System.getProperty("java.vm.name"));

    Runtime runtime = Runtime.getRuntime();
    jvm.add("processors", runtime.availableProcessors());

    long used = runtime.totalMemory() - runtime.freeMemory();
    // not thread safe, but could be thread local
    DecimalFormat df = new DecimalFormat("#.#");
    double percentUsed = ((double) (used) / (double) runtime.maxMemory()) * 100;

    SimpleOrderedMap<Object> mem = new SimpleOrderedMap<Object>();
    mem.add("free", humanReadableUnits(runtime.freeMemory(), df));
    mem.add("total", humanReadableUnits(runtime.totalMemory(), df));
    mem.add("max", humanReadableUnits(runtime.maxMemory(), df));
    mem.add("used", humanReadableUnits(used, df) + " (%" + df.format(percentUsed) + ")");
    jvm.add("memory", mem);

    // JMX properties -- probably should be moved to a different handler
    SimpleOrderedMap<Object> jmx = new SimpleOrderedMap<Object>();
    try {
        RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
        jmx.add("bootclasspath", mx.getBootClassPath());
        jmx.add("classpath", mx.getClassPath());

        // the input arguments passed to the Java virtual machine
        // which does not include the arguments to the main method.
        jmx.add("commandLineArgs", mx.getInputArguments());
        // a map of names and values of all system properties.
        //jmx.add( "SYSTEM PROPERTIES", mx.getSystemProperties());

        jmx.add("startTime", new Date(mx.getStartTime()));
        jmx.add("upTimeMS", mx.getUptime());
    } catch (Exception e) {
        log.warn("Error getting JMX properties", e);
    }
    jvm.add("jmx", jmx);
    return jvm;
}

---