Example usage for java.lang.management ManagementFactory getRuntimeMXBean

Introduction

In this page you can find the example usage for java.lang.management ManagementFactory getRuntimeMXBean.

Prototype

public static RuntimeMXBean getRuntimeMXBean() 

Source Link

Document

Returns the managed bean for the runtime system of the Java virtual machine.

Usage

From source file:net.centro.rtb.monitoringcenter.infos.JvmInfo.java

public static JvmInfo create() {
    JvmInfo jvmInfo = new JvmInfo();

    jvmInfo.specVersion = SystemUtils.JAVA_SPECIFICATION_VERSION;
    jvmInfo.classVersion = SystemUtils.JAVA_CLASS_VERSION;
    jvmInfo.jreVersion = SystemUtils.JAVA_VERSION;
    jvmInfo.jreVendor = SystemUtils.JAVA_VENDOR;
    jvmInfo.vmName = SystemUtils.JAVA_VM_NAME;
    jvmInfo.vmVendor = SystemUtils.JAVA_VM_VENDOR;
    jvmInfo.vmVersion = SystemUtils.JAVA_VM_VERSION;

    RuntimeMXBean runtimeMXBean = ManagementFactory.getRuntimeMXBean();
    jvmInfo.inputArguments = new ArrayList<>(runtimeMXBean.getInputArguments());
    jvmInfo.startedTimestamp = new Date(runtimeMXBean.getStartTime());

    jvmInfo.defaultTimeZone = TimeZone.getDefault().getID();
    jvmInfo.defaultCharset = Charset.defaultCharset().displayName();

    return jvmInfo;
}

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From source file:org.apache.hadoop.chukwa.inputtools.mdl.LoaderServer.java

public void init() throws IOException {
    String pidLong = ManagementFactory.getRuntimeMXBean().getName();
    String[] items = pidLong.split("@");
    String pid = items[0];// w  w w  .  j  ava2 s  .c om
    String chukwaPath = System.getProperty("CHUKWA_HOME");
    StringBuffer pidFilesb = new StringBuffer();
    pidFilesb.append(chukwaPath).append("/var/run/").append(name).append(".pid");
    try {
        File pidFile = new File(pidFilesb.toString());

        pidFileOutput = new FileOutputStream(pidFile);
        pidFileOutput.write(pid.getBytes());
        pidFileOutput.flush();
        FileChannel channel = pidFileOutput.getChannel();
        LoaderServer.lock = channel.tryLock();
        if (LoaderServer.lock != null) {
            log.info("Initlization succeeded...");
        } else {
            throw (new IOException());
        }
    } catch (IOException ex) {
        System.out.println("Initializaiton failed: can not write pid file.");
        log.error("Initialization failed...");
        log.error(ex.getMessage());
        System.exit(-1);
        throw ex;

    }

}

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From source file:com.roche.iceboar.settings.GlobalSettingsFactory.java

/**
 * Reads system properties (incl. those specified in JNLP file).
 *
 * @param args//  www .  j a  va2  s  .  c o m
 */
public static GlobalSettings getGlobalSettings(String[] args) {
    long jvmStartTime = ManagementFactory.getRuntimeMXBean().getStartTime();

    String codeBase = getCodeBase();

    Properties properties = System.getProperties();
    boolean showDebug = getShowDebug(properties);
    String frameTitle = properties.getProperty(JNLP_FRAME_TITLE, DEFAULT_FRAME_TITLE);
    String currentJavaVersion = properties.getProperty(JAVA_VERSION);
    String targetJavaVersion = getTargetJavaVersion(currentJavaVersion, properties);
    String tempDirectory = properties.getProperty(TEMP_DIRECTORY);
    String mainClass = properties.getProperty(JNLP_MAIN_CLASS);
    String targetJavaURL = getTargetJavaUrl(codeBase, properties);
    List<String> jarURLs = getDependenciesJars(codeBase, properties);
    List<String> allPropertiesForTarget = getAllPropertiesForTarget(properties);
    String initialHeapSize = properties.getProperty(JNLP_INITIAL_HEAP_SIZE);
    String maxHeapSize = properties.getProperty(JNLP_MAX_HEAP_SIZE);
    String javaVmArgs = properties.getProperty(JNLP_JAVA_VM_ARGS);
    String operationSystemName = properties.getProperty(OS_NAME);
    String pathSeparator = properties.getProperty(PATH_SEPARATOR);
    boolean closeOnEnd = getCloseOnEnd(properties);
    String cachePath = tempDirectory + ".IceBoar.cache";
    CacheStatus cacheStatus = getCacheStatus(cachePath);
    List<String> icons = getIcons(codeBase, properties);
    String splash = getSplashScreen(codeBase, properties);
    boolean hideFrameBorder = getHideFrameBorder(properties);

    GlobalSettings settings = GlobalSettings.builder().applicationArguments(args).jvmStartTime(jvmStartTime)
            .showDebug(showDebug).frameTitle(frameTitle).currentJavaVersion(currentJavaVersion)
            .targetJavaVersion(targetJavaVersion).tempDirectory(tempDirectory).mainClass(mainClass)
            .targetJavaURL(targetJavaURL).jarURLs(jarURLs).allPropertiesForTarget(allPropertiesForTarget)
            .operationSystemName(operationSystemName).pathSeparator(pathSeparator)
            .initialHeapSize(initialHeapSize).maxHeapSize(maxHeapSize).javaVmArgs(javaVmArgs)
            .closeOnEnd(closeOnEnd).cachePath(cachePath).cacheStatus(cacheStatus).icons(icons)
            .customSplashImage(splash).hideFrameBorder(hideFrameBorder).build();
    return settings;
}

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From source file:org.bonitasoft.engine.classloader.BonitaClassLoaderTest.java

@Test
public void releaseShouldRemoveAllScopeFolderAndItsContent() throws IOException {
    final Map<String, byte[]> resources = new HashMap<String, byte[]>(1);
    resources.put("myJar.jar", "Salut le monde".getBytes());
    final File tempDir = new File(IOUtil.TMP_DIRECTORY,
            "BonitaClassLoaderTest_JVM_" + ManagementFactory.getRuntimeMXBean().getName());
    if (tempDir.exists()) {
        FileUtils.deleteDirectory(tempDir);
    }//from   w  w w  .  j ava 2 s. c  om

    final BonitaClassLoader bonitaClassLoader = new BonitaClassLoader(resources, "here", 154L, tempDir.toURI(),
            BonitaClassLoader.class.getClassLoader());
    assertThat(tempDir).as("bonitaClassLoader tempDir:%s should exists after bonitaClassLoader creation",
            tempDir.getAbsolutePath()).exists();

    // when
    bonitaClassLoader.destroy();

    // then
    assertThat(tempDir).as("bonitaClassLoader tempDir:%s should not exists after bonitaClassLoader release",
            tempDir.getAbsolutePath()).doesNotExist();
}

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From source file:org.apache.hadoop.chukwa.util.PidFile.java

public void init() throws IOException {
    String pidLong = ManagementFactory.getRuntimeMXBean().getName();
    String[] items = pidLong.split("@");
    String pid = items[0];//from ww w .ja v a2 s .c  o  m
    String chukwaPath = System.getProperty("CHUKWA_HOME");
    StringBuffer pidFilesb = new StringBuffer();
    String pidDir = System.getenv("CHUKWA_PID_DIR");
    if (pidDir == null) {
        pidDir = chukwaPath + File.separator + "var" + File.separator + "run";
    }
    pidFilesb.append(pidDir).append(File.separator).append(name).append(".pid");
    try {
        File existsFile = new File(pidDir);
        if (!existsFile.exists()) {
            boolean success = (new File(pidDir)).mkdirs();
            if (!success) {
                throw (new IOException());
            }
        }
        File pidFile = new File(pidFilesb.toString());

        pidFileOutput = new FileOutputStream(pidFile);
        pidFileOutput.write(pid.getBytes());
        pidFileOutput.flush();
        FileChannel channel = pidFileOutput.getChannel();
        PidFile.lock = channel.tryLock();
        if (PidFile.lock != null) {
            log.debug("Initlization succeeded...");
        } else {
            throw (new IOException("Can not get lock on pid file: " + pidFilesb));
        }
    } catch (IOException ex) {
        System.out.println("Initialization failed: can not write pid file to " + pidFilesb);
        log.error("Initialization failed...");
        log.error(ex.getMessage());
        System.exit(-1);
        throw ex;

    }

}

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From source file:org.apache.hadoop.hbase.client.ClientIdGenerator.java

/**
 * @return PID of the current process, if it can be extracted from JVM name, or null.
 *//*from  w  ww .  j a v a  2 s .  c om*/
public static Long getPid() {
    String name = ManagementFactory.getRuntimeMXBean().getName();
    String[] nameParts = name.split("@");
    if (nameParts.length == 2) { // 12345@somewhere
        try {
            return Long.parseLong(nameParts[0]);
        } catch (NumberFormatException ex) {
            LOG.warn("Failed to get PID from [" + name + "]", ex);
        }
    } else {
        LOG.warn("Don't know how to get PID from [" + name + "]");
    }
    return null;
}

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From source file:org.springframework.xd.dirt.listener.RedisContainerEventListener.java

@Override
protected void onContainerStartedEvent(ContainerStartedEvent event) {
    String name = ManagementFactory.getRuntimeMXBean().getName();
    if (logger.isInfoEnabled()) {
        logger.info("started container: " + name);
    }/* w  w  w . j a v  a2s.  co m*/
    Container container = event.getSource();
    this.redisTemplate.boundHashOps("containers").put(container.getId(), name);
}

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From source file:io.galeb.router.handlers.InfoHandler.java

@Override
public void handleRequest(HttpServerExchange exchange) throws Exception {
    exchange.getResponseHeaders().put(Headers.CONTENT_TYPE, "text/plain");
    exchange.getResponseHeaders().put(Headers.SERVER, "GALEB");
    exchange.setStatusCode(StatusCodes.OK);
    long uptimeJVM = ManagementFactory.getRuntimeMXBean().getUptime();
    String uptime = getUptimeSO();
    String version = getClass().getPackage().getImplementationVersion();
    Map<String, Object> infoJson = new HashMap<>();
    infoJson.put("uptime-so", uptime);
    infoJson.put("uptime-jvm", uptimeJVM);
    infoJson.put("version", version);
    exchange.getResponseSender().send(gson.toJson(infoJson));
    exchange.endExchange();/*from  w  ww.  j av  a2s  . co m*/
}

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From source file:org.apache.hms.common.util.PidFile.java

public void init(int port) throws IOException {
    String pidLong = ManagementFactory.getRuntimeMXBean().getName();
    String[] items = pidLong.split("@");
    String pid = items[0];/*from  ww  w .j  ava2  s  .c om*/
    String chukwaPath = System.getProperty("HMS_HOME");
    StringBuffer pidFilesb = new StringBuffer();
    String pidDir = System.getenv("HMS_PID_DIR");
    if (pidDir == null) {
        pidDir = chukwaPath + File.separator + "var" + File.separator + "run";
    }
    pidFilesb.append(pidDir).append(File.separator).append(name).append(".pid");
    try {
        serverSocket = new ServerSocket(port);

        File existsFile = new File(pidDir);
        if (!existsFile.exists()) {
            boolean success = (new File(pidDir)).mkdirs();
            if (!success) {
                throw (new IOException());
            }
        }
        File pidFile = new File(pidFilesb.toString());

        pidFileOutput = new FileOutputStream(pidFile);
        pidFileOutput.write(pid.getBytes());
        pidFileOutput.flush();
        log.debug("Initlization succeeded...");
    } catch (IOException ex) {
        System.out.println("Initialization failed: can not write pid file to " + pidFilesb);
        log.error("Initialization failed...");
        log.error(ex.getMessage());
        System.exit(-1);
        throw ex;
    }

}

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From source file:org.apache.ambari.common.util.PidFile.java

public void init(int port) throws IOException {
    String pidLong = ManagementFactory.getRuntimeMXBean().getName();
    String[] items = pidLong.split("@");
    String pid = items[0];//  w  w w  .ja v a  2s  . c  o  m
    String chukwaPath = System.getProperty("AMBARI_HOME");
    StringBuffer pidFilesb = new StringBuffer();
    String pidDir = System.getenv("AMBARI_PID_DIR");
    if (pidDir == null) {
        pidDir = chukwaPath + File.separator + "var" + File.separator + "run";
    }
    pidFilesb.append(pidDir).append(File.separator).append(name).append(".pid");
    try {
        serverSocket = new ServerSocket(port);

        File existsFile = new File(pidDir);
        if (!existsFile.exists()) {
            boolean success = (new File(pidDir)).mkdirs();
            if (!success) {
                throw (new IOException());
            }
        }
        File pidFile = new File(pidFilesb.toString());

        pidFileOutput = new FileOutputStream(pidFile);
        pidFileOutput.write(pid.getBytes());
        pidFileOutput.flush();
        log.debug("Initlization succeeded...");
    } catch (IOException ex) {
        System.out.println("Initialization failed: can not write pid file to " + pidFilesb);
        log.error("Initialization failed...");
        log.error(ex.getMessage());
        System.exit(-1);
        throw ex;
    }

}

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