Example usage for java.lang Thread setDefaultUncaughtExceptionHandler

Introduction

In this page you can find the example usage for java.lang Thread setDefaultUncaughtExceptionHandler.

Prototype

public static void setDefaultUncaughtExceptionHandler(UncaughtExceptionHandler eh) 

Source Link

Document

Set the default handler invoked when a thread abruptly terminates due to an uncaught exception, and no other handler has been defined for that thread.

Usage

From source file:com.arpnetworking.metrics.mad.Main.java

/**
 * Entry point for Metrics Aggregator Daemon (MAD).
 *
 * @param args the command line arguments
 *//*from   w  w w  .j  a va 2s  .com*/
public static void main(final String[] args) {
    // Global initialization
    Thread.setDefaultUncaughtExceptionHandler((thread, throwable) -> {
        System.err.println("Unhandled exception! exception: " + throwable.toString());
        throwable.printStackTrace(System.err);
    });

    Thread.currentThread().setUncaughtExceptionHandler((thread, throwable) -> LOGGER.error()
            .setMessage("Unhandled exception!").setThrowable(throwable).log());

    LOGGER.info().setMessage("Launching mad").log();

    Runtime.getRuntime().addShutdownHook(SHUTDOWN_THREAD);

    System.setProperty("org.vertx.logger-delegate-factory-class-name",
            "org.vertx.java.core.logging.impl.SLF4JLogDelegateFactory");

    // Run the tsd aggregator
    if (args.length != 1) {
        throw new RuntimeException("No configuration file specified");
    }
    LOGGER.debug().setMessage("Loading configuration").addData("file", args[0]).log();

    Optional<DynamicConfiguration> configuration = Optional.empty();
    Optional<Configurator<Main, AggregatorConfiguration>> configurator = Optional.empty();
    try {
        final File configurationFile = new File(args[0]);
        configurator = Optional.of(new Configurator<>(Main::new, AggregatorConfiguration.class));
        configuration = Optional.of(new DynamicConfiguration.Builder().setObjectMapper(OBJECT_MAPPER)
                .addSourceBuilder(getFileSourceBuilder(configurationFile))
                .addTrigger(new FileTrigger.Builder().setFile(configurationFile).build())
                .addListener(configurator.get()).build());

        configuration.get().launch();
        // Wait for application shutdown
        SHUTDOWN_SEMAPHORE.acquire();
    } catch (final InterruptedException e) {
        throw Throwables.propagate(e);
    } finally {
        if (configurator.isPresent()) {
            configurator.get().shutdown();
        }
        if (configuration.isPresent()) {
            configuration.get().shutdown();
        }
        // Notify the shutdown that we're done
        SHUTDOWN_SEMAPHORE.release();
    }
}

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From source file:dk.dma.ais.utils.aisbus.AisBusLauncher.java

public static void main(String[] args) throws Exception {
    Thread.setDefaultUncaughtExceptionHandler(new UncaughtExceptionHandler() {
        @Override/*from   w w w.j av a2 s .  c o m*/
        public void uncaughtException(Thread t, Throwable e) {
            LOG.error("Uncaught exception in thread " + t.getClass().getCanonicalName() + ": " + e.getMessage(),
                    e);
            System.exit(-1);
        }
    });
    new AisBusLauncher().execute(args);
}

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From source file:fll.subjective.SubjectiveFrame.java

public static void main(final String[] args) {
    LogUtils.initializeLogging();/* ww w  .  java2 s  . c o  m*/

    Thread.setDefaultUncaughtExceptionHandler(new GuiExceptionHandler());

    // Use cross platform look and feel so that things look right all of the
    // time
    try {
        UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
    } catch (final ClassNotFoundException e) {
        LOGGER.warn("Could not find cross platform look and feel class", e);
    } catch (final InstantiationException e) {
        LOGGER.warn("Could not instantiate cross platform look and feel class", e);
    } catch (final IllegalAccessException e) {
        LOGGER.warn("Error loading cross platform look and feel", e);
    } catch (final UnsupportedLookAndFeelException e) {
        LOGGER.warn("Cross platform look and feel unsupported?", e);
    }

    try {
        final SubjectiveFrame frame = new SubjectiveFrame();
        frame.addWindowListener(new WindowAdapter() {
            @Override
            @SuppressFBWarnings(value = { "DM_EXIT" }, justification = "Exiting from main is OK")
            public void windowClosing(final WindowEvent e) {
                System.exit(0);
            }

            @Override
            @SuppressFBWarnings(value = { "DM_EXIT" }, justification = "Exiting from main is OK")
            public void windowClosed(final WindowEvent e) {
                System.exit(0);
            }
        });
        // should be able to watch for window closing, but hidden works
        frame.addComponentListener(new ComponentAdapter() {
            @Override
            @SuppressFBWarnings(value = { "DM_EXIT" }, justification = "Exiting from main is OK")
            public void componentHidden(final ComponentEvent e) {
                System.exit(0);
            }
        });
        GraphicsUtils.centerWindow(frame);
        frame.setVisible(true);
        frame.promptForFile();

    } catch (final Throwable e) {
        JOptionPane.showMessageDialog(null, "Unexpected error: " + e.getMessage(), "Error",
                JOptionPane.ERROR_MESSAGE);
        LOGGER.fatal("Unexpected error", e);
        System.exit(1);
    }
}

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From source file:org.pdfsam.App.java

public static void main(String[] args) {
    Thread.setDefaultUncaughtExceptionHandler(new UncaughtExceptionLogger());
    launch(args);
}

---

From source file:fll.scheduler.SchedulerUI.java

public static void main(final String[] args) {
    LogUtils.initializeLogging();//w w w.ja v a  2s .  com

    Thread.setDefaultUncaughtExceptionHandler(new GuiExceptionHandler());

    // Use cross platform look and feel so that things look right all of the
    // time
    try {
        UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
    } catch (final ClassNotFoundException e) {
        LOGGER.warn("Could not find cross platform look and feel class", e);
    } catch (final InstantiationException e) {
        LOGGER.warn("Could not instantiate cross platform look and feel class", e);
    } catch (final IllegalAccessException e) {
        LOGGER.warn("Error loading cross platform look and feel", e);
    } catch (final UnsupportedLookAndFeelException e) {
        LOGGER.warn("Cross platform look and feel unsupported?", e);
    }

    try {
        final SchedulerUI frame = new SchedulerUI();

        frame.addWindowListener(new WindowAdapter() {
            @Override
            @SuppressFBWarnings(value = { "DM_EXIT" }, justification = "Exiting from main is OK")
            public void windowClosing(final WindowEvent e) {
                System.exit(0);
            }

            @Override
            @SuppressFBWarnings(value = { "DM_EXIT" }, justification = "Exiting from main is OK")
            public void windowClosed(final WindowEvent e) {
                System.exit(0);
            }
        });
        // should be able to watch for window closing, but hidden works
        frame.addComponentListener(new ComponentAdapter() {
            @Override
            @SuppressFBWarnings(value = { "DM_EXIT" }, justification = "Exiting from main is OK")
            public void componentHidden(final ComponentEvent e) {
                System.exit(0);
            }
        });

        GraphicsUtils.centerWindow(frame);

        frame.setVisible(true);
    } catch (final Exception e) {
        LOGGER.fatal("Unexpected error", e);
        JOptionPane.showMessageDialog(null,
                "An unexpected error occurred. Please send the log file and a description of what you were doing to the developer. Error message: "
                        + e.getMessage(),
                "Error", JOptionPane.ERROR_MESSAGE);
    }
}

---

From source file:pcgen.system.Main.java

/**
 * @param args the command line arguments
 *///  w ww . j av  a 2  s  .co m
public static void main(String[] args) {
    Logging.log(Level.INFO, "Starting PCGen v" + PCGenPropBundle.getVersionNumber() //$NON-NLS-1$
            + PCGenPropBundle.getAutobuildString());

    Thread.setDefaultUncaughtExceptionHandler(new PCGenUncaughtExceptionHandler());
    logSystemProps();
    configFactory = new PropertyContextFactory(getConfigPath());
    configFactory.registerAndLoadPropertyContext(ConfigurationSettings.getInstance());

    parseCommands(args);

    if (startNameGen) {
        Component dialog = new RandomNameDialog(null, null);
        dialog.setVisible(true);
        System.exit(0);
    }

    if (exportSheet == null) {
        startupWithGUI();
    } else {
        startupWithoutGUI();
        shutdown();
    }
}

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From source file:org.apache.hadoop.yarn.server.sharedcachemanager.SharedCacheManager.java

public static void main(String[] args) {
    Thread.setDefaultUncaughtExceptionHandler(new YarnUncaughtExceptionHandler());
    StringUtils.startupShutdownMessage(SharedCacheManager.class, args, LOG);
    try {//  w  w  w  .j a va  2s . c o m
        Configuration conf = new YarnConfiguration();
        SharedCacheManager sharedCacheManager = new SharedCacheManager();
        ShutdownHookManager.get().addShutdownHook(new CompositeServiceShutdownHook(sharedCacheManager),
                SHUTDOWN_HOOK_PRIORITY);
        sharedCacheManager.init(conf);
        sharedCacheManager.start();
    } catch (Throwable t) {
        LOG.fatal("Error starting SharedCacheManager", t);
        System.exit(-1);
    }
}

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From source file:org.apache.rya.export.client.MergeDriverClient.java

public static void main(final String[] args)
        throws ParseException, MergeConfigurationException, UnknownHostException, MergerException,
        java.text.ParseException, SailException, AccumuloException, AccumuloSecurityException,
        InferenceEngineException, RepositoryException, MalformedQueryException, UpdateExecutionException {

    final String log4jConfiguration = System.getProperties().getProperty("log4j.configuration");
    if (StringUtils.isNotBlank(log4jConfiguration)) {
        final String parsedConfiguration = StringUtils.removeStart(log4jConfiguration, "file:");
        final File configFile = new File(parsedConfiguration);
        if (configFile.exists()) {
            DOMConfigurator.configure(parsedConfiguration);
        } else {//from  w ww  .j  av a 2s  .co  m
            BasicConfigurator.configure();
        }
    }

    final MergeConfigurationCLI config = new MergeConfigurationCLI(args);
    try {
        configuration = config.createConfiguration();
    } catch (final MergeConfigurationException e) {
        LOG.error("Configuration failed.", e);
    }

    final boolean useTimeSync = configuration.getUseNtpServer();
    Optional<Long> offset = Optional.absent();
    if (useTimeSync) {
        final String tomcat = configuration.getChildTomcatUrl();
        final String ntpHost = configuration.getNtpServerHost();
        try {
            offset = Optional
                    .<Long>fromNullable(TimeUtils.getNtpServerAndMachineTimeDifference(ntpHost, tomcat));
        } catch (final IOException e) {
            LOG.error("Unable to get time difference between time server: " + ntpHost + " and the server: "
                    + tomcat, e);
        }
    }

    final StatementStoreFactory storeFactory = new StatementStoreFactory(configuration);
    try {
        final RyaStatementStore parentStore = storeFactory.getParentStatementStore();
        final RyaStatementStore childStore = storeFactory.getChildStatementStore();

        LOG.info("Starting Merge Tool");
        if (configuration.getParentDBType() == ACCUMULO && configuration.getChildDBType() == ACCUMULO) {
            final AccumuloRyaStatementStore childAStore = (AccumuloRyaStatementStore) childStore;
            final AccumuloRyaStatementStore parentAStore = (AccumuloRyaStatementStore) parentStore;

            //do map reduce merging.
            //TODO: Run Merger
        } else {
            if (configuration.getMergePolicy() == TIMESTAMP) {
                final TimestampPolicyMergeConfiguration timeConfig = (TimestampPolicyMergeConfiguration) configuration;
                final Long timeOffset;
                if (offset.isPresent()) {
                    timeOffset = offset.get();
                } else {
                    timeOffset = 0L;
                }
                final MemoryTimeMerger merger = new MemoryTimeMerger(parentStore, childStore,
                        new VisibilityStatementMerger(), timeConfig.getToolStartTime(),
                        configuration.getParentRyaInstanceName(), timeOffset);
                merger.runJob();
            }
        }
    } catch (final Exception e) {
        LOG.error("Something went wrong creating a Rya Statement Store connection.", e);
    }

    Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() {
        @Override
        public void uncaughtException(final Thread thread, final Throwable throwable) {
            LOG.error("Uncaught exception in " + thread.getName(), throwable);
        }
    });

    LOG.info("Finished running Merge Tool");
    System.exit(1);
}

---

From source file:org.apache.tajo.util.JvmPauseMonitor.java

/**
 * Simple 'main' to facilitate manual testing of the pause monitor.
 *
 * This main function just leaks memory into a list. Running this class
 * with a 1GB heap will very quickly go into "GC hell" and result in
 * log messages about the GC pauses./*ww w  .j a v  a2  s .  co  m*/
 */
public static void main(String[] args) throws Exception {
    Thread.setDefaultUncaughtExceptionHandler(new TajoUncaughtExceptionHandler());
    new JvmPauseMonitor(new Configuration()).start();
    List<String> list = Lists.newArrayList();
    int i = 0;
    while (true) {
        list.add(String.valueOf(i++));
    }
}

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From source file:org.apache.hadoop.mapreduce.v2.app.MapCollectiveAppMaster.java

public static void main(String[] args) {
    // Log that a modified MRAppMaster starts
    LOG.info("MapCollectiveAppMaster (MRAppMaster) starts.");
    try {/*from w  w  w  .  ja v  a  2s  .  com*/
        Thread.setDefaultUncaughtExceptionHandler(new YarnUncaughtExceptionHandler());
        String containerIdStr = System.getenv(Environment.CONTAINER_ID.name());
        String nodeHostString = System.getenv(Environment.NM_HOST.name());
        String nodePortString = System.getenv(Environment.NM_PORT.name());
        String nodeHttpPortString = System.getenv(Environment.NM_HTTP_PORT.name());
        String appSubmitTimeStr = System.getenv(ApplicationConstants.APP_SUBMIT_TIME_ENV);

        validateInputParam(containerIdStr, Environment.CONTAINER_ID.name());
        validateInputParam(nodeHostString, Environment.NM_HOST.name());
        validateInputParam(nodePortString, Environment.NM_PORT.name());
        validateInputParam(nodeHttpPortString, Environment.NM_HTTP_PORT.name());
        validateInputParam(appSubmitTimeStr, ApplicationConstants.APP_SUBMIT_TIME_ENV);

        ContainerId containerId = ConverterUtils.toContainerId(containerIdStr);
        ApplicationAttemptId applicationAttemptId = containerId.getApplicationAttemptId();
        long appSubmitTime = Long.parseLong(appSubmitTimeStr);

        MRAppMaster appMaster = new MapCollectiveAppMaster(applicationAttemptId, containerId, nodeHostString,
                Integer.parseInt(nodePortString), Integer.parseInt(nodeHttpPortString), appSubmitTime);
        ShutdownHookManager.get().addShutdownHook(new MRAppMasterShutdownHook(appMaster),
                SHUTDOWN_HOOK_PRIORITY);
        JobConf conf = new JobConf(new YarnConfiguration());
        conf.addResource(new Path(MRJobConfig.JOB_CONF_FILE));

        MRWebAppUtil.initialize(conf);
        String jobUserName = System.getenv(ApplicationConstants.Environment.USER.name());
        conf.set(MRJobConfig.USER_NAME, jobUserName);
        // Do not automatically close FileSystem
        // objects so that in case of
        // SIGTERM I have a chance to write out the
        // job history. I'll be closing
        // the objects myself.
        conf.setBoolean("fs.automatic.close", false);
        initAndStartAppMaster(appMaster, conf, jobUserName);
    } catch (Throwable t) {
        LOG.fatal("Error starting MRAppMaster", t);
        ExitUtil.terminate(1, t);
    }
}

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