Example usage for org.apache.commons.logging Log warn

Introduction

In this page you can find the example usage for org.apache.commons.logging Log warn.

Prototype

void warn(Object message);

Source Link

Document

Logs a message with warn log level.

Usage

From source file:org.apache.hadoop.hbase.util.ReflectionUtils.java

/**
 * Log the current thread stacks at INFO level.
 * @param log the logger that logs the stack trace
 * @param title a descriptive title for the call stacks
 * @param minInterval the minimum time from the last
 *///from w  w w .j  a va 2s.c  o m
public static void logThreadInfo(Log log, String title, long minInterval) {
    boolean dumpStack = false;
    if (log.isInfoEnabled()) {
        synchronized (ReflectionUtils.class) {
            long now = System.currentTimeMillis();
            if (now - previousLogTime >= minInterval * 1000) {
                previousLogTime = now;
                dumpStack = true;
            }
        }
        if (dumpStack) {
            try {
                ByteArrayOutputStream buffer = new ByteArrayOutputStream();
                printThreadInfo(new PrintStream(buffer, false, "UTF-8"), title);
                log.info(buffer.toString(Charset.defaultCharset().name()));
            } catch (UnsupportedEncodingException ignored) {
                log.warn("Could not write thread info about '" + title + "' due to a string encoding issue.");
            }
        }
    }
}

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From source file:org.apache.hadoop.hive.ql.exec.mr.Throttle.java

/**
 * Fetch http://tracker.om:/gc.jsp?threshold=period.
 *///from   w ww. j  a v  a  2 s  .c o m
public static void checkJobTracker(JobConf conf, Log LOG) {

    try {
        byte[] buffer = new byte[1024];
        int threshold = conf.getInt("mapred.throttle.threshold.percent", DEFAULT_MEMORY_GC_PERCENT);
        int retry = conf.getInt("mapred.throttle.retry.period", DEFAULT_RETRY_PERIOD);

        // If the threshold is 100 percent, then there is no throttling
        if (threshold == 100) {
            return;
        }

        // This is the Job Tracker URL
        String tracker = JobTrackerURLResolver.getURL(conf) + "/gc.jsp?threshold=" + threshold;

        while (true) {
            // read in the first 1K characters from the URL
            URL url = new URL(tracker);
            LOG.debug("Throttle: URL " + tracker);
            InputStream in = null;
            try {
                in = url.openStream();
                in.read(buffer);
                in.close();
                in = null;
            } finally {
                IOUtils.closeStream(in);
            }
            String fetchString = new String(buffer);

            // fetch the xml tag <dogc>xxx</dogc>
            Pattern dowait = Pattern.compile("<dogc>",
                    Pattern.CASE_INSENSITIVE | Pattern.DOTALL | Pattern.MULTILINE);
            String[] results = dowait.split(fetchString);
            if (results.length != 2) {
                throw new IOException(
                        "Throttle: Unable to parse response of URL " + url + ". Get retuned " + fetchString);
            }
            dowait = Pattern.compile("</dogc>", Pattern.CASE_INSENSITIVE | Pattern.DOTALL | Pattern.MULTILINE);
            results = dowait.split(results[1]);
            if (results.length < 1) {
                throw new IOException(
                        "Throttle: Unable to parse response of URL " + url + ". Get retuned " + fetchString);
            }

            // if the jobtracker signalled that the threshold is not exceeded,
            // then we return immediately.
            if (results[0].trim().compareToIgnoreCase("false") == 0) {
                return;
            }

            // The JobTracker has exceeded its threshold and is doing a GC.
            // The client has to wait and retry.
            LOG.warn("Job is being throttled because of resource crunch on the " + "JobTracker. Will retry in "
                    + retry + " seconds..");
            Thread.sleep(retry * 1000L);
        }
    } catch (Exception e) {
        LOG.warn("Job is not being throttled. " + e);
    }
}

---

From source file:org.apache.hadoop.zebra.pig.TableStorer.java

@Override
public void checkSchema(ResourceSchema schema) throws IOException {
    // Get schemaStr and sortColumnNames from the given schema. In the process, we
    // also validate the schema and sorting info.
    ResourceSchema.Order[] orders = schema.getSortKeyOrders();
    boolean descending = false;
    for (ResourceSchema.Order order : orders) {
        if (order == ResourceSchema.Order.DESCENDING) {
            Log LOG = LogFactory.getLog(TableStorer.class);
            LOG.warn("Sorting in descending order is not supported by Zebra and the table will be unsorted.");
            descending = true;/*w ww.j a  v  a 2s .  c  o  m*/
            break;
        }
    }
    StringBuilder sortColumnNames = new StringBuilder();
    if (!descending) {
        ResourceSchema.ResourceFieldSchema[] fields = schema.getFields();
        int[] index = schema.getSortKeys();

        for (int i = 0; i < index.length; i++) {
            ResourceFieldSchema field = fields[index[i]];
            String name = field.getName();
            if (name == null)
                throw new IOException("Zebra does not support column positional reference yet");
            if (!org.apache.pig.data.DataType.isAtomic(field.getType()))
                throw new IOException(
                        "Field [" + name + "] is not of simple type as required for a sort column now.");
            if (i > 0)
                sortColumnNames.append(",");
            sortColumnNames.append(name);
        }
    }

    // Convert resource schema to zebra schema
    org.apache.hadoop.zebra.schema.Schema zebraSchema;
    try {
        zebraSchema = SchemaConverter.convertFromResourceSchema(schema);
    } catch (ParseException ex) {
        throw new IOException("Exception thrown from SchemaConverter: " + ex.getMessage());
    }

    Properties properties = UDFContext.getUDFContext().getUDFProperties(this.getClass(),
            new String[] { udfContextSignature });
    properties.setProperty(UDFCONTEXT_OUTPUT_SCHEMA, zebraSchema.toString());
    properties.setProperty(UDFCONTEXT_SORT_INFO, sortColumnNames.toString());

    // This is to turn off type check for potential corner cases - for internal use only;
    if (System.getenv("zebra_output_checktype") != null
            && System.getenv("zebra_output_checktype").equals("no")) {
        properties.setProperty(UDFCONTEXT_OUTPUT_CHECKTYPE, "no");
    }
}

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From source file:org.apache.jsieve.tests.AbstractTest.java

/**
 * Framework method validateArguments is invoked before a Sieve Test is
 * executed to validate its arguments. Subclass methods are expected to
 * override or extend this method to perform their own validation as
 * appropriate./*from w  ww  .  j a va2 s . co  m*/
 * 
 * @param arguments
 * @param context
 *            <code>SieveContext</code> giving comntextual information,
 *            not null
 * @throws SieveException
 */
protected void validateArguments(Arguments arguments, SieveContext context) throws SieveException {
    if (!arguments.getArgumentList().isEmpty()) {
        final Log logger = context.getLog();
        if (logger.isWarnEnabled()) {
            logger.warn("Unexpected arguments for " + getClass().getName());
        }
        context.getCoordinate().logDiagnosticsInfo(logger);
        logger.debug(arguments);
        final String message = context.getCoordinate().addStartLineAndColumn("Found unexpected arguments.");
        throw new SyntaxException(message);
    }
}

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From source file:org.apache.logging.log4j.jcl.CallerInformationTest.java

@Test
public void testClassLogger() throws Exception {
    final ListAppender app = ctx.getListAppender("Class").clear();
    final Log logger = LogFactory.getLog("ClassLogger");
    logger.info("Ignored message contents.");
    logger.warn("Verifying the caller class is still correct.");
    logger.error("Hopefully nobody breaks me!");
    final List<String> messages = app.getMessages();
    assertEquals("Incorrect number of messages.", 3, messages.size());
    for (final String message : messages) {
        assertEquals("Incorrect caller class name.", this.getClass().getName(), message);
    }/*from  ww  w .  ja  va2 s .c o  m*/
}

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From source file:org.apache.logging.log4j.jcl.CallerInformationTest.java

@Test
public void testMethodLogger() throws Exception {
    final ListAppender app = ctx.getListAppender("Method").clear();
    final Log logger = LogFactory.getLog("MethodLogger");
    logger.info("More messages.");
    logger.warn("CATASTROPHE INCOMING!");
    logger.error("ZOMBIES!!!");
    logger.warn("brains~~~");
    logger.info("Itchy. Tasty.");
    final List<String> messages = app.getMessages();
    assertEquals("Incorrect number of messages.", 5, messages.size());
    for (final String message : messages) {
        assertEquals("Incorrect caller method name.", "testMethodLogger", message);
    }//w ww .  ja  v  a2s  .c  om
}

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From source file:org.apache.openaz.xacml.std.dom.DOMUtil.java

public static boolean repairIdentifierAttribute(Element element, String attributeName,
        Identifier identifierDefault, Log logger) throws DOMStructureException {
    Identifier identifier = getIdentifierAttribute(element, attributeName);
    if (identifier == null) {
        if (identifierDefault != null) {
            identifier = identifierDefault;
        } else {/*from ww  w.  j  a  va2 s . co  m*/
            identifier = IdentifierImpl.gensym("urn:" + attributeName.toLowerCase());
        }
        logger.warn("Setting missing " + attributeName + " attribute to " + identifier.stringValue());
        element.setAttribute(attributeName, identifier.stringValue());
        return true;
    }
    return false;
}

---

From source file:org.apache.openaz.xacml.std.dom.DOMUtil.java

public static boolean repairIdentifierContent(Element element, Log logger) throws DOMStructureException {
    Identifier identifier = getIdentifierContent(element);
    if (identifier == null) {
        identifier = IdentifierImpl.gensym();
        logger.warn("Setting missing content to " + identifier.stringValue());
        element.setTextContent(identifier.stringValue());
        return true;
    }//from w  w w. j ava  2 s . c o  m
    return false;
}

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From source file:org.apache.openaz.xacml.std.dom.DOMUtil.java

public static boolean repairBooleanAttribute(Element element, String attributeName, boolean bvalue, Log logger)
        throws DOMStructureException {
    Boolean booleanValue = null;/*from  w ww .j  ava  2 s  . co  m*/
    try {
        booleanValue = getBooleanAttribute(element, attributeName);
    } catch (DOMStructureException ex) {
        logger.warn("Setting invalid " + attributeName + " attribute to " + bvalue);
        element.setAttribute(attributeName, Boolean.toString(bvalue));
        return true;
    }
    if (booleanValue == null) {
        logger.warn("Setting missing " + attributeName + " attribute to " + bvalue);
        element.setAttribute(attributeName, Boolean.toString(bvalue));
        return true;
    }
    return false;
}

---

From source file:org.apache.openaz.xacml.std.dom.DOMUtil.java

public static boolean repairVersionAttribute(Element element, String attributeName, Log logger) {
    String versionString = getStringAttribute(element, attributeName);
    if (versionString == null) {
        logger.warn("Adding default " + attributeName + " string 1.0");
        element.setAttribute(attributeName, "1.0");
        return true;
    }//  w  w  w .  j  a va2 s  . c om

    try {
        StdVersion.newInstance(versionString);
    } catch (ParseException ex) {
        logger.warn("Setting invalid " + attributeName + " string " + versionString + " to 1.0", ex);
        element.setAttribute(attributeName, "1.0");
        return true;
    }

    return false;
}

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