コード例 #1
0
  /** Stops all cores. */
  public void shutdown() {
    log.info("Shutting down CoreContainer instance=" + System.identityHashCode(this));

    isShutDown = true;

    ExecutorUtil.shutdownAndAwaitTermination(coreContainerWorkExecutor);

    if (isZooKeeperAware()) {
      cancelCoreRecoveries();
      zkSys.zkController.publishNodeAsDown(zkSys.zkController.getNodeName());
    }

    try {
      if (coreAdminHandler != null) coreAdminHandler.shutdown();
    } catch (Exception e) {
      log.warn("Error shutting down CoreAdminHandler. Continuing to close CoreContainer.", e);
    }

    try {
      // First wake up the closer thread, it'll terminate almost immediately since it checks
      // isShutDown.
      synchronized (solrCores.getModifyLock()) {
        solrCores.getModifyLock().notifyAll(); // wake up anyone waiting
      }
      if (backgroundCloser
          != null) { // Doesn't seem right, but tests get in here without initializing the core.
        try {
          backgroundCloser.join();
        } catch (InterruptedException e) {
          Thread.currentThread().interrupt();
          if (log.isDebugEnabled()) {
            log.debug("backgroundCloser thread was interrupted before finishing");
          }
        }
      }
      // Now clear all the cores that are being operated upon.
      solrCores.close();

      // It's still possible that one of the pending dynamic load operation is waiting, so wake it
      // up if so.
      // Since all the pending operations queues have been drained, there should be nothing to do.
      synchronized (solrCores.getModifyLock()) {
        solrCores.getModifyLock().notifyAll(); // wake up the thread
      }

    } finally {
      try {
        if (shardHandlerFactory != null) {
          shardHandlerFactory.close();
        }
      } finally {
        try {
          if (updateShardHandler != null) {
            updateShardHandler.close();
          }
        } finally {
          // we want to close zk stuff last
          zkSys.close();
        }
      }
    }

    // It should be safe to close the authorization plugin at this point.
    try {
      if (authorizationPlugin != null) {
        authorizationPlugin.plugin.close();
      }
    } catch (IOException e) {
      log.warn("Exception while closing authorization plugin.", e);
    }

    // It should be safe to close the authentication plugin at this point.
    try {
      if (authenticationPlugin != null) {
        authenticationPlugin.plugin.close();
        authenticationPlugin = null;
      }
    } catch (Exception e) {
      log.warn("Exception while closing authentication plugin.", e);
    }

    org.apache.lucene.util.IOUtils.closeWhileHandlingException(loader); // best effort
  }
コード例 #2
0
  /** Load the cores defined for this CoreContainer */
  public void load() {
    log.info("Loading cores into CoreContainer [instanceDir={}]", loader.getInstancePath());

    // add the sharedLib to the shared resource loader before initializing cfg based plugins
    String libDir = cfg.getSharedLibDirectory();
    if (libDir != null) {
      Path libPath = loader.getInstancePath().resolve(libDir);
      try {
        loader.addToClassLoader(SolrResourceLoader.getURLs(libPath));
        loader.reloadLuceneSPI();
      } catch (IOException e) {
        log.warn("Couldn't add files from {} to classpath: {}", libPath, e.getMessage());
      }
    }

    shardHandlerFactory =
        ShardHandlerFactory.newInstance(cfg.getShardHandlerFactoryPluginInfo(), loader);

    updateShardHandler = new UpdateShardHandler(cfg.getUpdateShardHandlerConfig());

    solrCores.allocateLazyCores(cfg.getTransientCacheSize(), loader);

    logging = LogWatcher.newRegisteredLogWatcher(cfg.getLogWatcherConfig(), loader);

    hostName = cfg.getNodeName();

    zkSys.initZooKeeper(this, solrHome, cfg.getCloudConfig());
    if (isZooKeeperAware())
      pkiAuthenticationPlugin =
          new PKIAuthenticationPlugin(this, zkSys.getZkController().getNodeName());

    ZkStateReader.ConfigData securityConfig =
        isZooKeeperAware()
            ? getZkController().getZkStateReader().getSecurityProps(false)
            : new ZkStateReader.ConfigData(EMPTY_MAP, -1);
    initializeAuthorizationPlugin((Map<String, Object>) securityConfig.data.get("authorization"));
    initializeAuthenticationPlugin((Map<String, Object>) securityConfig.data.get("authentication"));

    this.backupRepoFactory = new BackupRepositoryFactory(cfg.getBackupRepositoryPlugins());

    containerHandlers.put(ZK_PATH, new ZookeeperInfoHandler(this));
    securityConfHandler = new SecurityConfHandler(this);
    collectionsHandler = createHandler(cfg.getCollectionsHandlerClass(), CollectionsHandler.class);
    containerHandlers.put(COLLECTIONS_HANDLER_PATH, collectionsHandler);
    infoHandler = createHandler(cfg.getInfoHandlerClass(), InfoHandler.class);
    containerHandlers.put(INFO_HANDLER_PATH, infoHandler);
    coreAdminHandler = createHandler(cfg.getCoreAdminHandlerClass(), CoreAdminHandler.class);
    containerHandlers.put(CORES_HANDLER_PATH, coreAdminHandler);
    configSetsHandler = createHandler(cfg.getConfigSetsHandlerClass(), ConfigSetsHandler.class);
    containerHandlers.put(CONFIGSETS_HANDLER_PATH, configSetsHandler);
    containerHandlers.put(AUTHZ_PATH, securityConfHandler);
    containerHandlers.put(AUTHC_PATH, securityConfHandler);
    if (pkiAuthenticationPlugin != null)
      containerHandlers.put(
          PKIAuthenticationPlugin.PATH, pkiAuthenticationPlugin.getRequestHandler());

    coreConfigService = ConfigSetService.createConfigSetService(cfg, loader, zkSys.zkController);

    containerProperties.putAll(cfg.getSolrProperties());

    // setup executor to load cores in parallel
    ExecutorService coreLoadExecutor =
        ExecutorUtil.newMDCAwareFixedThreadPool(
            cfg.getCoreLoadThreadCount(
                isZooKeeperAware()
                    ? DEFAULT_CORE_LOAD_THREADS_IN_CLOUD
                    : DEFAULT_CORE_LOAD_THREADS),
            new DefaultSolrThreadFactory("coreLoadExecutor"));
    final List<Future<SolrCore>> futures = new ArrayList<>();
    try {
      List<CoreDescriptor> cds = coresLocator.discover(this);
      if (isZooKeeperAware()) {
        // sort the cores if it is in SolrCloud. In standalone node the order does not matter
        CoreSorter coreComparator = new CoreSorter().init(this);
        cds = new ArrayList<>(cds); // make a copy
        Collections.sort(cds, coreComparator::compare);
      }
      checkForDuplicateCoreNames(cds);

      for (final CoreDescriptor cd : cds) {
        if (cd.isTransient() || !cd.isLoadOnStartup()) {
          solrCores.putDynamicDescriptor(cd.getName(), cd);
        } else if (asyncSolrCoreLoad) {
          solrCores.markCoreAsLoading(cd);
        }
        if (cd.isLoadOnStartup()) {
          futures.add(
              coreLoadExecutor.submit(
                  () -> {
                    SolrCore core;
                    try {
                      if (zkSys.getZkController() != null) {
                        zkSys.getZkController().throwErrorIfReplicaReplaced(cd);
                      }

                      core = create(cd, false);
                    } finally {
                      if (asyncSolrCoreLoad) {
                        solrCores.markCoreAsNotLoading(cd);
                      }
                    }
                    try {
                      zkSys.registerInZk(core, true);
                    } catch (RuntimeException e) {
                      SolrException.log(log, "Error registering SolrCore", e);
                    }
                    return core;
                  }));
        }
      }

      // Start the background thread
      backgroundCloser = new CloserThread(this, solrCores, cfg);
      backgroundCloser.start();

    } finally {
      if (asyncSolrCoreLoad && futures != null) {

        coreContainerWorkExecutor.submit(
            (Runnable)
                () -> {
                  try {
                    for (Future<SolrCore> future : futures) {
                      try {
                        future.get();
                      } catch (InterruptedException e) {
                        Thread.currentThread().interrupt();
                      } catch (ExecutionException e) {
                        log.error("Error waiting for SolrCore to be created", e);
                      }
                    }
                  } finally {
                    ExecutorUtil.shutdownAndAwaitTermination(coreLoadExecutor);
                  }
                });
      } else {
        ExecutorUtil.shutdownAndAwaitTermination(coreLoadExecutor);
      }
    }

    if (isZooKeeperAware()) {
      zkSys.getZkController().checkOverseerDesignate();
    }
  }