Exemplo n.º 1
0
  /**
   * Recreates a SolrCore. While the new core is loading, requests will continue to be dispatched to
   * and processed by the old core
   *
   * @param name the name of the SolrCore to reload
   */
  public void reload(String name) {

    SolrCore core = solrCores.getCoreFromAnyList(name, false);
    if (core == null)
      throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, "No such core: " + name);

    CoreDescriptor cd = core.getCoreDescriptor();
    try {
      solrCores.waitAddPendingCoreOps(name);
      ConfigSet coreConfig = coreConfigService.getConfig(cd);
      log.info(
          "Reloading SolrCore '{}' using configuration from {}",
          cd.getName(),
          coreConfig.getName());
      SolrCore newCore = core.reload(coreConfig);
      registerCore(name, newCore, false);
    } catch (SolrCoreState.CoreIsClosedException e) {
      throw e;
    } catch (Exception e) {
      coreInitFailures.put(cd.getName(), new CoreLoadFailure(cd, e));
      throw new SolrException(
          ErrorCode.SERVER_ERROR, "Unable to reload core [" + cd.getName() + "]", e);
    } finally {
      solrCores.removeFromPendingOps(name);
    }
  }
Exemplo n.º 2
0
  /**
   * Creates a new core based on a CoreDescriptor.
   *
   * @param dcore a core descriptor
   * @param publishState publish core state to the cluster if true
   * @return the newly created core
   */
  private SolrCore create(CoreDescriptor dcore, boolean publishState) {

    if (isShutDown) {
      throw new SolrException(ErrorCode.SERVICE_UNAVAILABLE, "Solr has been shutdown.");
    }

    SolrCore core = null;
    try {
      MDCLoggingContext.setCore(core);
      SolrIdentifierValidator.validateCoreName(dcore.getName());
      if (zkSys.getZkController() != null) {
        zkSys.getZkController().preRegister(dcore);
      }

      ConfigSet coreConfig = coreConfigService.getConfig(dcore);
      log.info(
          "Creating SolrCore '{}' using configuration from {}",
          dcore.getName(),
          coreConfig.getName());
      core = new SolrCore(dcore, coreConfig);

      // always kick off recovery if we are in non-Cloud mode
      if (!isZooKeeperAware() && core.getUpdateHandler().getUpdateLog() != null) {
        core.getUpdateHandler().getUpdateLog().recoverFromLog();
      }

      registerCore(dcore.getName(), core, publishState);

      return core;
    } catch (Exception e) {
      coreInitFailures.put(dcore.getName(), new CoreLoadFailure(dcore, e));
      log.error("Error creating core [{}]: {}", dcore.getName(), e.getMessage(), e);
      final SolrException solrException =
          new SolrException(
              ErrorCode.SERVER_ERROR, "Unable to create core [" + dcore.getName() + "]", e);
      if (core != null && !core.isClosed()) IOUtils.closeQuietly(core);
      throw solrException;
    } catch (Throwable t) {
      SolrException e =
          new SolrException(
              ErrorCode.SERVER_ERROR,
              "JVM Error creating core [" + dcore.getName() + "]: " + t.getMessage(),
              t);
      log.error("Error creating core [{}]: {}", dcore.getName(), t.getMessage(), t);
      coreInitFailures.put(dcore.getName(), new CoreLoadFailure(dcore, e));
      if (core != null && !core.isClosed()) IOUtils.closeQuietly(core);
      throw t;
    } finally {
      MDCLoggingContext.clear();
    }
  }
Exemplo n.º 3
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();
    }
  }