コード例 #1
0
  /**
   * Unload a core from this container, optionally removing the core's data and configuration
   *
   * @param name the name of the core to unload
   * @param deleteIndexDir if true, delete the core's index on close
   * @param deleteDataDir if true, delete the core's data directory on close
   * @param deleteInstanceDir if true, delete the core's instance directory on close
   */
  public void unload(
      String name, boolean deleteIndexDir, boolean deleteDataDir, boolean deleteInstanceDir) {

    if (name != null) {
      // check for core-init errors first
      CoreLoadFailure loadFailure = coreInitFailures.remove(name);
      if (loadFailure != null) {
        // getting the index directory requires opening a DirectoryFactory with a SolrConfig, etc,
        // which we may not be able to do because of the init error.  So we just go with what we
        // can glean from the CoreDescriptor - datadir and instancedir
        SolrCore.deleteUnloadedCore(loadFailure.cd, deleteDataDir, deleteInstanceDir);
        return;
      }
    }

    CoreDescriptor cd = solrCores.getCoreDescriptor(name);
    if (cd == null)
      throw new SolrException(
          ErrorCode.BAD_REQUEST, "Cannot unload non-existent core [" + name + "]");

    boolean close = solrCores.isLoadedNotPendingClose(name);
    SolrCore core = solrCores.remove(name);
    coresLocator.delete(this, cd);

    if (core == null) {
      // transient core
      SolrCore.deleteUnloadedCore(cd, deleteDataDir, deleteInstanceDir);
      return;
    }

    if (zkSys.getZkController() != null) {
      // cancel recovery in cloud mode
      core.getSolrCoreState().cancelRecovery();
    }

    core.unloadOnClose(deleteIndexDir, deleteDataDir, deleteInstanceDir);
    if (close) core.closeAndWait();

    if (zkSys.getZkController() != null) {
      try {
        zkSys.getZkController().unregister(name, cd);
      } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        throw new SolrException(
            ErrorCode.SERVER_ERROR,
            "Interrupted while unregistering core [" + name + "] from cloud state");
      } catch (KeeperException e) {
        throw new SolrException(
            ErrorCode.SERVER_ERROR, "Error unregistering core [" + name + "] from cloud state", e);
      }
    }
  }
コード例 #2
0
  public void cancelCoreRecoveries() {

    List<SolrCore> cores = solrCores.getCores();

    // we must cancel without holding the cores sync
    // make sure we wait for any recoveries to stop
    for (SolrCore core : cores) {
      try {
        core.getSolrCoreState().cancelRecovery();
      } catch (Exception e) {
        SolrException.log(log, "Error canceling recovery for core", e);
      }
    }
  }