Package org.apache.hadoop.hbase

Examples of org.apache.hadoop.hbase.UnknownRegionException


    RegionState regionStateA = assignmentManager.getRegionStates()
        .getRegionState(Bytes.toString(encodedNameOfRegionA));
    RegionState regionStateB = assignmentManager.getRegionStates()
        .getRegionState(Bytes.toString(encodedNameOfRegionB));
    if (regionStateA == null || regionStateB == null) {
      throw new ServiceException(new UnknownRegionException(
          Bytes.toStringBinary(regionStateA == null ? encodedNameOfRegionA
              : encodedNameOfRegionB)));
    }

    if (!regionStateA.isOpened() || !regionStateB.isOpened()) {
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  void move(final byte[] encodedRegionName,
      final byte[] destServerName) throws HBaseIOException {
    RegionState regionState = assignmentManager.getRegionStates().
      getRegionState(Bytes.toString(encodedRegionName));
    if (regionState == null) {
      throw new UnknownRegionException(Bytes.toStringBinary(encodedRegionName));
    }

    HRegionInfo hri = regionState.getRegion();
    ServerName dest;
    if (destServerName == null || destServerName.length == 0) {
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      if (type != RegionSpecifierType.REGION_NAME) {
        LOG.warn("assignRegion specifier type: expected: " + RegionSpecifierType.REGION_NAME
          + " actual: " + type);
      }
      HRegionInfo regionInfo = assignmentManager.getRegionStates().getRegionInfo(regionName);
      if (regionInfo == null) throw new UnknownRegionException(Bytes.toString(regionName));
      if (cpHost != null) {
        if (cpHost.preAssign(regionInfo)) {
          return arr;
        }
      }
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        LOG.warn("unassignRegion specifier type: expected: " + RegionSpecifierType.REGION_NAME
          + " actual: " + type);
      }
      Pair<HRegionInfo, ServerName> pair =
        MetaReader.getRegion(this.catalogTracker, regionName);
      if (pair == null) throw new UnknownRegionException(Bytes.toString(regionName));
      HRegionInfo hri = pair.getFirst();
      if (cpHost != null) {
        if (cpHost.preUnassign(hri, force)) {
          return urr;
        }
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    }

    try {
      Pair<HRegionInfo, ServerName> pair =
        MetaReader.getRegion(this.catalogTracker, regionName);
      if (pair == null) throw new UnknownRegionException(Bytes.toStringBinary(regionName));
      HRegionInfo hri = pair.getFirst();
      if (cpHost != null) {
        cpHost.preRegionOffline(hri);
      }
      LOG.info(getClientIdAuditPrefix() + " offline " + hri.getRegionNameAsString());
View Full Code Here

  public void move(final byte[] encodedRegionName, final byte[] destServerName)
  throws UnknownRegionException {
    Pair<HRegionInfo, ServerName> p =
      this.assignmentManager.getAssignment(encodedRegionName);
    if (p == null)
      throw new UnknownRegionException(Bytes.toStringBinary(encodedRegionName));
    ServerName dest = null;
    if (destServerName == null || destServerName.length == 0) {
      LOG.info("Passed destination servername is null or empty so choosing a server at random");
      List<ServerName> destServers = this.serverManager.getOnlineServersList();
      destServers.remove(p.getSecond());
      // If i have only one RS then destination can be null.
      dest = balancer.randomAssignment(destServers);
    } else {
      dest = new ServerName(Bytes.toString(destServerName));
    }

    // Now we can do the move
    RegionPlan rp = new RegionPlan(p.getFirst(), p.getSecond(), dest);

    try {
      checkInitialized();
      if (this.cpHost != null) {
        if (this.cpHost.preMove(p.getFirst(), p.getSecond(), dest)) {
          return;
        }
      }
      LOG.info("Added move plan " + rp + ", running balancer");
      this.assignmentManager.balance(rp);
      if (this.cpHost != null) {
        this.cpHost.postMove(p.getFirst(), p.getSecond(), dest);
      }
    } catch (IOException ioe) {
      UnknownRegionException ure = new UnknownRegionException(
          Bytes.toStringBinary(encodedRegionName));
      ure.initCause(ioe);
      throw ure;
    }
  }
View Full Code Here

  @Override
  public void assign(final byte [] regionName)throws IOException {
    checkInitialized();
    Pair<HRegionInfo, ServerName> pair =
      MetaReader.getRegion(this.catalogTracker, regionName);
    if (pair == null) throw new UnknownRegionException(Bytes.toString(regionName));
    if (cpHost != null) {
      if (cpHost.preAssign(pair.getFirst())) {
        return;
      }
    }
View Full Code Here

  public void unassign(final byte [] regionName, final boolean force)
  throws IOException {
    checkInitialized();
    Pair<HRegionInfo, ServerName> pair =
      MetaReader.getRegion(this.catalogTracker, regionName);
    if (pair == null) throw new UnknownRegionException(Bytes.toString(regionName));
    HRegionInfo hri = pair.getFirst();
    if (cpHost != null) {
      if (cpHost.preUnassign(hri, force)) {
        return;
      }
View Full Code Here

   */
  @Override
  public void offline(final byte[] regionName) throws IOException {
    Pair<HRegionInfo, ServerName> pair =
      MetaReader.getRegion(this.catalogTracker, regionName);
    if (pair == null) throw new UnknownRegionException(Bytes.toStringBinary(regionName));
    HRegionInfo hri = pair.getFirst();
    this.assignmentManager.regionOffline(hri);
  }
View Full Code Here

    CatalogTracker ct = getCatalogTracker();
    try {
      if (serverName != null) {
        Pair<HRegionInfo, ServerName> pair = MetaReader.getRegion(ct, regionname);
        if (pair == null || pair.getFirst() == null) {
          throw new UnknownRegionException(Bytes.toStringBinary(regionname));
        } else {
          closeRegion(new ServerName(serverName), pair.getFirst());
        }
      } else {
        Pair<HRegionInfo, ServerName> pair = MetaReader.getRegion(ct, regionname);
        if (pair == null) {
          throw new UnknownRegionException(Bytes.toStringBinary(regionname));
        } else if (pair.getSecond() == null) {
          throw new NoServerForRegionException(Bytes.toStringBinary(regionname));
        } else {
          closeRegion(pair.getSecond(), pair.getFirst());
        }
View Full Code Here

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