Example usage for java.lang Throwable Throwable

Introduction

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

Prototype

public Throwable() 

Source Link

Document

Constructs a new throwable with null as its detail message.

Usage

From source file:jetbrains.exodus.env.EnvironmentImpl.java

@SuppressWarnings({ "AccessToStaticFieldLockedOnInstance" })
@Override// w w  w.  j a  va 2 s.c  o m
public void close() {
    if (configMBean != null) {
        configMBean.unregister();
    }
    // in order to avoid deadlock, do not finish gc inside lock
    // it is safe to invoke gc.finish() several times
    gc.finish();
    final double logCacheHitRate;
    final double storeGetCacheHitRate;
    final double treeNodesCacheHitRate;
    synchronized (commitLock) {
        if (!isOpen()) {
            throw new IllegalStateException("Already closed, see cause for previous close stack trace",
                    throwableOnClose);
        }
        checkInactive(ec.getEnvCloseForcedly());
        try {
            if (!ec.getEnvIsReadonly()) {
                gc.saveUtilizationProfile();
            }
            ec.removeChangedSettingsListener(envSettingsListener);
            logCacheHitRate = log.getCacheHitRate();
            log.close();
        } finally {
            log.release();
        }
        storeGetCacheHitRate = storeGetCache == null ? 0 : storeGetCache.hitRate();
        final LongObjectCacheBase treeNodesCache = this.treeNodesCache == null ? null
                : this.treeNodesCache.get();
        treeNodesCacheHitRate = treeNodesCache == null ? 0 : treeNodesCache.hitRate();
        throwableOnClose = new Throwable();
        throwableOnCommit = EnvironmentClosedException.INSTANCE;
    }
    runAllTransactionSafeTasks();
    if (logging.isInfoEnabled()) {
        logging.info("Store get cache hit rate: " + ObjectCacheBase.formatHitRate(storeGetCacheHitRate));
        logging.info("Tree nodes cache hit rate: " + ObjectCacheBase.formatHitRate(treeNodesCacheHitRate));
        logging.info("Exodus log cache hit rate: " + ObjectCacheBase.formatHitRate(logCacheHitRate));
    }
}

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From source file:com.krawler.database.DbPool.java

/**
 * return a connection to use for the Krawler database.
 * //ww w. ja v  a 2s  .  co m
 * @param
 * @return
 * @throws ServiceException
 */
public static Connection getConnection() throws ServiceException {
    java.sql.Connection conn = null;

    long start = KrawlerPerf.STOPWATCH_DB_CONN.start();

    try {
        conn = sPoolingDataSource.getConnection();

        if (conn.getAutoCommit() != false)
            conn.setAutoCommit(false);

        // We want READ COMMITTED transaction isolation level for duplicate
        // handling code in BucketBlobStore.newBlobInfo().
        conn.setTransactionIsolation(java.sql.Connection.TRANSACTION_READ_COMMITTED);
    } catch (SQLException e) {
        throw ServiceException.FAILURE("getting database connection", e);
    }

    // If the connection pool is overutilized, warn about potential leaks
    int numActive = sConnectionPool.getNumActive();
    int maxActive = sConnectionPool.getMaxActive();

    if (numActive > maxActive * 0.75) {
        String stackTraceMsg = "Turn on debug logging for KrawlerLog.dbconn to see stack "
                + "traces of connections not returned to the pool.";
        if (KrawlerLog.dbconn.isDebugEnabled()) {
            StringBuffer buf = new StringBuffer();
            synchronized (sConnectionStackCounter) {
                Iterator i = sConnectionStackCounter.iterator();
                while (i.hasNext()) {
                    String stackTrace = (String) i.next();
                    int count = sConnectionStackCounter.getCount(stackTrace);
                    if (count == 0) {
                        i.remove();
                    } else {
                        buf.append(count + " connections allocated at " + stackTrace + "\n");
                    }
                }
            }
            stackTraceMsg = buf.toString();
        }
        KrawlerLog.dbconn.warn("Connection pool is 75% utilized.  " + numActive
                + " connections out of a maximum of " + maxActive + " in use.  " + stackTraceMsg);
    }

    if (KrawlerLog.sqltrace.isDebugEnabled() || KrawlerLog.perf.isDebugEnabled()) {
        // conn = new DebugConnection(conn); //TODO: uncomment later[BS]
    }
    Connection krawlerCon = new Connection(conn);

    // If we're debugging, update the counter with the current stack trace
    if (KrawlerLog.dbconn.isDebugEnabled()) {
        Throwable t = new Throwable();
        krawlerCon.setStackTrace(t);

        String stackTrace = SystemUtil.getStackTrace(t);
        synchronized (sConnectionStackCounter) {
            sConnectionStackCounter.increment(stackTrace);
        }
    }

    KrawlerPerf.STOPWATCH_DB_CONN.stop(start);
    return krawlerCon;
}

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From source file:org.apache.hadoop.raid.LogUtils.java

static public void logFileCheckMetrics(LOGRESULTS result, Codec codec, Path srcPath, FileSystem fs, long offset,
        long limit, Throwable ex, Progressable context) {
    LOGTYPES type = LOGTYPES.TOOL_FILECHECK;
    try {/*from  w  ww. j av  a  2 s .c  o  m*/
        incrLogMetricCounter(context, fs, type, result, codec.id);
        LogSample sample = new LogSample();
        sample.addNormalValue(LOGKEYS.Result.name(), result.name());
        sample.addNormalValue(LOGKEYS.Code.name(), codec.id);
        sample.addNormalValue(LOGKEYS.Path.name(), srcPath.toString());
        sample.addNormalValue(LOGKEYS.Type.name(), type.name());
        sample.addNormalValue(LOGKEYS.Cluster.name(), fs.getUri().getAuthority());
        sample.addIntValue(LOGKEYS.Offset.name(), offset);
        sample.addIntValue(LOGKEYS.Limit.name(), limit);
        if (ex != null) {
            sample.addNormalValue(LOGKEYS.Error.name(), StringUtils.stringifyException(ex));
        }
        new Throwable().printStackTrace();
        FILECHECK_METRICS_LOG.info(sample.toJSON());
    } catch (Exception e) {
        LOG.warn("Exception when logging the Raid metrics: " + e.getMessage(), e);
    }
}

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From source file:org.ebayopensource.turmeric.eclipse.core.logging.SOALogger.java

/**
 * Warning.//from   www.jav  a2  s.c  o m
 *
 * @param messages the messages
 * @see java.util.logging.Level#WARNING
 */
public void warning(Object... messages) {
    StackTraceElement[] elements = new Throwable().getStackTrace();
    logp(Level.WARNING, elements[1].getClassName(), elements[1].getMethodName(), StringUtil.toString(messages));
}

---

From source file:com.momock.util.Logger.java

public static void error(String msg) {
    if (!enabled || logLevel > LEVEL_ERROR)
        return;// www  .  ja v  a2 s  .c  o  m
    if (msg == null)
        msg = "";
    Throwable t = new Throwable();
    StackTraceElement trace = t.getStackTrace()[1];
    android.util.Log.e(logName, msg + " @ " + getSourceInfo(trace));
    checkLogFile();
    logStream.println(getLog("ERROR", msg));
    logStream.flush();
    event.fireEvent(null, new LogEventArgs(msg, null));
}

---

From source file:org.ebayopensource.turmeric.eclipse.core.logging.SOALogger.java

/**
 * Warning./*w  w w . j a v a 2s  .  c  o m*/
 *
 * @param cause the cause
 * @param messages The warning messages
 * @see java.util.logging.Level#WARNING
 */
public void warning(Throwable cause, Object... messages) {
    StackTraceElement[] elements = new Throwable().getStackTrace();
    logp(Level.WARNING, elements[1].getClassName(), elements[1].getMethodName(), StringUtil.toString(messages),
            cause);
}

---

From source file:com.sun.grizzly.http.jk.common.JniHandler.java

/** send and get the response in the same buffer. This calls the
 * method on the wrapped jk_bean object.
 *///from   w w  w  . j  a  v a 2  s . c om
protected int nativeDispatch(Msg msg, MsgContext ep, int code, int raw) throws IOException {
    if (LoggerUtils.getLogger().isLoggable(Level.FINEST)) {
        LoggerUtils.getLogger().log(Level.FINEST, "Sending packet " + code + " " + raw);
    }

    if (raw == 0) {
        msg.end();
    }

    // Create ( or reuse ) the jk_endpoint ( the native pair of
    // MsgContext )
    long xEnv = ep.getJniEnv();
    long nativeContext = ep.getJniContext();
    if (nativeContext == 0 || xEnv == 0) {
        setNativeEndpoint(ep);
        xEnv = ep.getJniEnv();
        nativeContext = ep.getJniContext();
    }

    if (xEnv == 0 || nativeContext == 0 || nativeJkHandlerP == 0) {
        LoggerUtils.getLogger().log(Level.SEVERE, "invokeNative: Null pointer ");
        return -1;
    }

    // Will process the message in the current thread.
    // No wait needed to receive the response, if any
    int status = AprImpl.jkInvoke(xEnv, nativeJkHandlerP, nativeContext, code, msg.getBuffer(), 0, msg.getLen(),
            raw);

    if (status != 0 && status != 2) {
        LoggerUtils.getLogger().log(Level.SEVERE, "nativeDispatch: error " + status, new Throwable());
    }

    if (LoggerUtils.getLogger().isLoggable(Level.FINEST)) {
        LoggerUtils.getLogger().log(Level.FINEST, "Sending packet - done " + status);
    }
    return status;
}

---

From source file:org.alfresco.repo.node.integrity.IntegrityChecker.java

/**
 * Ensures that this service is registered with the transaction and saves the event
 * //from  w w w  .  ja v  a  2  s  . c  o  m
 * @param event IntegrityEvent
 */
@SuppressWarnings("unchecked")
private void save(IntegrityEvent event) {
    // optionally set trace
    if (traceOn) {
        // get a stack trace
        Throwable t = new Throwable();
        t.fillInStackTrace();
        StackTraceElement[] trace = t.getStackTrace();

        event.addTrace(trace);
        // done
    }

    // register this service
    AlfrescoTransactionSupport.bindIntegrityChecker(this);

    // get the event list
    Map<IntegrityEvent, IntegrityEvent> events = (Map<IntegrityEvent, IntegrityEvent>) AlfrescoTransactionSupport
            .getResource(KEY_EVENT_SET);
    if (events == null) {
        events = new HashMap<IntegrityEvent, IntegrityEvent>(113, 0.75F);
        AlfrescoTransactionSupport.bindResource(KEY_EVENT_SET, events);
    }
    // check if the event is present
    IntegrityEvent existingEvent = events.get(event);
    if (existingEvent != null) {
        // the event (or its equivalent is already present - transfer the trace
        if (traceOn) {
            existingEvent.getTraces().addAll(event.getTraces());
        }
    } else {
        // the event doesn't already exist
        events.put(event, event);
    }
    if (logger.isDebugEnabled()) {
        logger.debug("" + (existingEvent != null ? "Event already present in" : "Added event to")
                + " event set: \n" + "   event: " + event);
    }
}

---

From source file:org.ebayopensource.turmeric.eclipse.core.logging.SOALogger.java

/**
 * <p>This method will work if the <code>WARNING</code> logging level is enabled.</p>
 * @param message The message/*from   w w  w. jav  a2s .  c o m*/
 * @param cause The cause of the problem
 * @see java.util.logging.Level#WARNING
 */
public void warning(Object message, Throwable cause) {
    StackTraceElement[] elements = new Throwable().getStackTrace();
    logp(Level.WARNING, elements[1].getClassName(), elements[1].getMethodName(), String.valueOf(message),
            cause);
}

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From source file:org.coconut.core.LoggersTest.java

@Test
public void testToHandler() {
    final org.apache.commons.logging.Log log = context.mock(org.apache.commons.logging.Log.class);
    final Throwable t = new Throwable();
    context.checking(new Expectations() {
        {/*from ww  w .  jav  a2  s. c om*/
            one(log).debug("a");
            one(log).debug("b", t);
            one(log).error("c");
            one(log).error("d", t);
            one(log).fatal("e");
            one(log).fatal("f", t);
            one(log).info("g");
            one(log).info("h", t);
            one(log).trace("i");
            one(log).trace("j", t);
            one(log).warn("k");
            one(log).warn("l", t);
            one(log).isDebugEnabled();
            will(returnValue(true));
            one(log).isErrorEnabled();
            will(returnValue(true));
            one(log).isFatalEnabled();
            will(returnValue(true));
            one(log).isInfoEnabled();
            will(returnValue(true));
            one(log).isTraceEnabled();
            will(returnValue(true));
            one(log).isWarnEnabled();
            will(returnValue(true));
        }
    });
    runMock(Loggers.Commons.from(log), t);
}

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