Java U.warn方法代码示例

import org.apache.ignite.internal.util.typedef.internal.U; //导入方法依赖的package包/类
/**
 * Reads binary metadata for given typeId.
 *
 * @param typeId typeId of BinaryMetadata to be read.
 */
private BinaryMetadata readMetadata(int typeId) {
    File file = new File(workDir, Integer.toString(typeId) + ".bin");

    if (!file.exists())
        return null;

    try (FileInputStream in = new FileInputStream(file)) {
        return U.unmarshal(ctx.config().getMarshaller(), in, U.resolveClassLoader(ctx.config()));
    }
    catch (Exception e) {
        U.warn(log, "Failed to restore metadata from file: " + file.getName() +
            "; exception was thrown: " + e.getMessage());
    }

    return null;
}
 

import org.apache.ignite.internal.util.typedef.internal.U; //导入方法依赖的package包/类
/**
 * @param res Response.
 */
public void onResult(UUID nodeId, TxLocksResponse res) {
    boolean set = compareAndSet(nodeId, null);

    if (res != null && set) {
        if (res.classError() != null) {
            IgniteLogger log = cctx.kernalContext().log(this.getClass());

            U.warn(log, "Failed to finish deadlock detection due to an error: " + nodeId);

            onDone();
        }
        else
            detect(res);
    }
    else
        onDone();
}
 

import org.apache.ignite.internal.util.typedef.internal.U; //导入方法依赖的package包/类
/**
 * @param node Node.
 * @param reqId Request ID.
 * @param segmentId Index segment ID.
 */
private void sendRetry(ClusterNode node, long reqId, int segmentId) {
    try {
        boolean loc = node.isLocal();

        GridQueryNextPageResponse msg = new GridQueryNextPageResponse(reqId, segmentId,
        /*qry*/0, /*page*/0, /*allRows*/0, /*cols*/1,
            loc ? null : Collections.<Message>emptyList(),
            loc ? Collections.<Value[]>emptyList() : null,
            false);

        msg.retry(h2.readyTopologyVersion());

        if (loc)
            h2.reduceQueryExecutor().onMessage(ctx.localNodeId(), msg);
        else
            ctx.io().sendToGridTopic(node, GridTopic.TOPIC_QUERY, msg, QUERY_POOL);
    }
    catch (Exception e) {
        U.warn(log, "Failed to send retry message: " + e.getMessage());
    }
}
 

import org.apache.ignite.internal.util.typedef.internal.U; //导入方法依赖的package包/类
/**
 * Shutdowns given {@code ExecutorService} and wait for executor service to stop.
 *
 * @param owner The ExecutorService owner.
 * @param exec ExecutorService to shutdown.
 * @param log The logger to possible exceptions and warnings.
 */
public static void shutdownNow(Class<?> owner, @Nullable ExecutorService exec, @Nullable IgniteLogger log) {
    if (exec != null) {
        List<Runnable> tasks = exec.shutdownNow();

        if (!F.isEmpty(tasks))
            U.warn(log, "Runnable tasks outlived thread pool executor service [owner=" + getSimpleName(owner) +
                ", tasks=" + tasks + ']');

        try {
            exec.awaitTermination(Long.MAX_VALUE, TimeUnit.MILLISECONDS);
        }
        catch (InterruptedException ignored) {
            warn(log, "Got interrupted while waiting for executor service to stop.");

            exec.shutdownNow();

            // Preserve interrupt status.
            Thread.currentThread().interrupt();
        }
    }
}
 

import org.apache.ignite.internal.util.typedef.internal.U; //导入方法依赖的package包/类
/** {@inheritDoc} */
@Override public void onMessage(UUID nodeId, Object msg, byte plc) {
    if (msg instanceof IgfsFragmentizerRequest ||
        msg instanceof IgfsSyncMessage) {
        if (log.isDebugEnabled())
            log.debug("Received fragmentizer request from remote node [nodeId=" + nodeId +
                ", msg=" + msg + ']');

        IgniteBiTuple<UUID, IgfsCommunicationMessage> tup = F.t(nodeId, (IgfsCommunicationMessage)msg);

        try {
            if (!msgs.offer(tup, MSG_OFFER_TIMEOUT, TimeUnit.MILLISECONDS)) {
                U.error(log, "Failed to process fragmentizer communication message (will discard) " +
                    "[nodeId=" + nodeId + ", msg=" + msg + ']');
            }
        }
        catch (InterruptedException ignored) {
            Thread.currentThread().interrupt();

            U.warn(log, "Failed to process fragmentizer communication message (thread was interrupted) "+
                "[nodeId=" + nodeId + ", msg=" + msg + ']');
        }
    }
}
 

import org.apache.ignite.internal.util.typedef.internal.U; //导入方法依赖的package包/类
/** {@inheritDoc} */
@SuppressWarnings("unchecked")
@Override protected void removeItem(long rmvIdx) throws IgniteCheckedException {
    Long idx = (Long)cache.invoke(queueKey, new RemoveProcessor(id, rmvIdx)).get();

    if (idx != null) {
        checkRemoved(idx);

        QueueItemKey key = itemKey(idx);

        if (cache.remove(key))
            return;

        long stop = U.currentTimeMillis() + RETRY_TIMEOUT;

        while (U.currentTimeMillis() < stop) {
            if (cache.remove(key))
                return;
        }

        U.warn(log, "Failed to remove item, [queue=" + queueName + ", idx=" + idx + ']');
    }
}
 

import org.apache.ignite.internal.util.typedef.internal.U; //导入方法依赖的package包/类
@Override
public void onSpiContextDestroyed() {
    if (!closeGuard.compareAndSet(false, true)) {
        U.warn(log, "Redis IP Finder can't be closed more than once.");
        return;
    }

    if (log.isInfoEnabled())
        log.info("Destroying Redis IP Finder.");

    super.onSpiContextDestroyed();

}
 

import org.apache.ignite.internal.util.typedef.internal.U; //导入方法依赖的package包/类
/**
 * @param nodeId Node id.
 * @param pluginsData Plugins data.
 */
private void applyPluginsData(UUID nodeId, Map<String, Serializable> pluginsData) {
    for (Map.Entry<String, Serializable> e : pluginsData.entrySet()) {
        PluginProvider provider = plugins.get(e.getKey());

        if (provider != null)
            provider.receiveDiscoveryData(nodeId, e.getValue());
        else
            U.warn(log, "Received discovery data for unknown plugin: " + e.getKey());
    }
}
 

import org.apache.ignite.internal.util.typedef.internal.U; //导入方法依赖的package包/类
/**
 * @param cfg1 Existing configuration.
 * @param cfg2 Cache configuration to start.
 * @param attrName Short attribute name for error message.
 * @param attrMsg Full attribute name for error message.
 * @param val1 Attribute value in existing configuration.
 * @param val2 Attribute value in starting configuration.
 * @param fail If true throws IgniteCheckedException in case of attribute values mismatch, otherwise logs warning.
 * @throws IgniteCheckedException If validation failed.
 */
public static void validateCacheGroupsAttributesMismatch(IgniteLogger log,
    CacheConfiguration cfg1,
    CacheConfiguration cfg2,
    String attrName,
    String attrMsg,
    Object val1,
    Object val2,
    boolean fail) throws IgniteCheckedException {
    if (F.eq(val1, val2))
        return;

    if (fail) {
        throw new IgniteCheckedException(attrMsg + " mismatch for caches related to the same group " +
            "[groupName=" + cfg1.getGroupName() +
            ", existingCache=" + cfg1.getName() +
            ", existing" + capitalize(attrName) + "=" + val1 +
            ", startingCache=" + cfg2.getName() +
            ", starting" + capitalize(attrName) + "=" + val2 + ']');
    }
    else {
        U.warn(log, attrMsg + " mismatch for caches related to the same group " +
            "[groupName=" + cfg1.getGroupName() +
            ", existingCache=" + cfg1.getName() +
            ", existing" + capitalize(attrName) + "=" + val1 +
            ", startingCache=" + cfg2.getName() +
            ", starting" + capitalize(attrName) + "=" + val2 + ']');
    }
}
 

import org.apache.ignite.internal.util.typedef.internal.U; //导入方法依赖的package包/类
/** {@inheritDoc} */
@Override public ClusterNode failover(FailoverContext ctx, List<ClusterNode> top) {
    failedOverJobs.add(ctx.getJobResult().getJobContext());

    // Clear failed nodes list - allow to failover on the same node.
    ctx.getJobResult().getJobContext().setAttribute(FAILED_NODE_LIST_ATTR, null);

    // Account for maximum number of failover attempts since we clear failed node list.
    Integer failoverCnt = ctx.getJobResult().getJobContext().getAttribute(FAILOVER_NUMBER_ATTR);

    if (failoverCnt == null)
        ctx.getJobResult().getJobContext().setAttribute(FAILOVER_NUMBER_ATTR, 1);
    else {
        if (failoverCnt >= getMaximumFailoverAttempts()) {
            U.warn(log, "Job failover failed because number of maximum failover attempts is exceeded " +
                "[failedJob=" + ctx.getJobResult().getJob() + ", maxFailoverAttempts=" +
                getMaximumFailoverAttempts() + ']');

            return null;
        }

        ctx.getJobResult().getJobContext().setAttribute(FAILOVER_NUMBER_ATTR, failoverCnt + 1);
    }

    List<ClusterNode> cp = new ArrayList<>(top);

    // Keep collection type.
    F.retain(cp, false, new IgnitePredicate<ClusterNode>() {
        @Override public boolean apply(ClusterNode node) {
            return F.isAll(node, filter);
        }
    });

    return super.failover(ctx, cp); //use cp to ensure we don't failover on failed node
}
 

import org.apache.ignite.internal.util.typedef.internal.U; //导入方法依赖的package包/类
/**
 *
 */
public void dumpDebugInfo() {
    if (!pendingAssignmentFetchFuts.isEmpty()) {
        U.warn(log, "Pending assignment fetch futures:");

        for (GridDhtAssignmentFetchFuture fut : pendingAssignmentFetchFuts.values())
            U.warn(log, ">>> " + fut);
    }
}
 

import org.apache.ignite.internal.util.typedef.internal.U; //导入方法依赖的package包/类
/**
 * Calculates md5 checksum for the given file
 *
 * @param file file to calculate md5.
 * @param log logger to log all failures.
 * @return string representation of the calculated checksum or {@code null} if calculation failed.
 */
@Nullable public static String fileMd5(@Nullable File file, @Nullable IgniteLogger log) {
    String md5 = null;

    if (file != null) {
        if (!file.isFile()) {
            U.warn(log, "Failed to find file for md5 calculation: " + file);

            return null;
        }

        InputStream in = null;

        try {
            in = new BufferedInputStream(new FileInputStream(file));

            md5 = DigestUtils.md5Hex(in);
        }
        catch (IOException e) {
            U.warn(log, "Failed to open input stream for md5 calculation: " + e.getMessage());
        }
        finally {
            U.closeQuiet(in);
        }
    }

    return md5;
}
 

import org.apache.ignite.internal.util.typedef.internal.U; //导入方法依赖的package包/类
/**
 * @param fileName File name.
 */
private void deleteFromResourceBase(String fileName) {
    File file = new File(rsrcBase + '/' + fileName);

    if (!file.delete())
        U.warn(log, "Could not delete file: " + file);
}
 

import org.apache.ignite.internal.util.typedef.internal.U; //导入方法依赖的package包/类
/** {@inheritDoc} */
@SuppressWarnings("deprecation")
@Override public void start() throws IgniteException {
    if (sesFactory == null && F.isEmpty(hibernateCfgPath))
        throw new IgniteException("Either session factory or Hibernate configuration file is required by " +
            getClass().getSimpleName() + '.');

    if (!F.isEmpty(hibernateCfgPath)) {
        if (sesFactory == null) {
            try {
                URL url = new URL(hibernateCfgPath);

                sesFactory = new Configuration().configure(url).buildSessionFactory();
            }
            catch (MalformedURLException ignored) {
                // No-op.
            }

            if (sesFactory == null) {
                File cfgFile = new File(hibernateCfgPath);

                if (cfgFile.exists())
                    sesFactory = new Configuration().configure(cfgFile).buildSessionFactory();
            }

            if (sesFactory == null)
                sesFactory = new Configuration().configure(hibernateCfgPath).buildSessionFactory();

            if (sesFactory == null)
                throw new IgniteException("Failed to resolve Hibernate configuration file: " + hibernateCfgPath);

            closeSesOnStop = true;
        }
        else
            U.warn(log, "Hibernate configuration file configured in " + getClass().getSimpleName() +
                " will be ignored (session factory is already set).");
    }
}
 

import org.apache.ignite.internal.util.typedef.internal.U; //导入方法依赖的package包/类
/**
 * Write error data.
 * @param err Error.
 * @param writer Writer.
 * @param log Optional logger.
 */
public static void writeErrorData(Throwable err, BinaryRawWriterEx writer, @Nullable IgniteLogger log) {
    // Write additional data if needed.
    if (err instanceof PlatformExtendedException) {
        PlatformExtendedException err0 = (PlatformExtendedException)err;

        writer.writeBoolean(true); // Data exists.

        int pos = writer.out().position();

        try {
            writer.writeBoolean(true); // Optimistically assume that we will be able to write it.
            err0.writeData(writer);
        }
        catch (Exception e) {
            if (log != null)
                U.warn(log, "Failed to write interop exception data: " + e.getMessage(), e);

            writer.out().position(pos);

            writer.writeBoolean(false); // Error occurred.
            writer.writeString(e.getClass().getName());

            String innerMsg;

            try {
                innerMsg = e.getMessage();
            }
            catch (Exception ignored) {
                innerMsg = "Exception message is not available.";
            }

            writer.writeString(innerMsg);
        }
    }
    else
        writer.writeBoolean(false);
}