Package org.apache.hadoop.hbase

Examples of org.apache.hadoop.hbase.UnknownRegionException

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  public void move(final byte[] encodedRegionName, final byte[] destServerName)
  throws UnknownRegionException {
    Pair<HRegionInfo, HServerInfo> p =
      this.assignmentManager.getAssignment(encodedRegionName);
    if (p == null)
      throw new UnknownRegionException(Bytes.toString(encodedRegionName));
    HRegionInfo hri = p.getFirst();
    HServerInfo dest = null;
    if (destServerName == null || destServerName.length == 0) {
      LOG.info("Passed destination servername is null/empty so " +
        "choosing a server at random");
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  @Override
  public void assign(final byte [] regionName, final boolean force)
  throws IOException {
    Pair<HRegionInfo, HServerAddress> pair =
      MetaReader.getRegion(this.catalogTracker, regionName);
    if (pair == null) throw new UnknownRegionException(Bytes.toString(regionName));
    assignRegion(pair.getFirst());
  }
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  @Override
  public void unassign(final byte [] regionName, final boolean force)
  throws IOException {
    Pair<HRegionInfo, HServerAddress> pair =
      MetaReader.getRegion(this.catalogTracker, regionName);
    if (pair == null) throw new UnknownRegionException(Bytes.toString(regionName));
    HRegionInfo hri = pair.getFirst();
    if (force) this.assignmentManager.clearRegionFromTransition(hri);
    this.assignmentManager.unassign(hri, force);
  }
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    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());
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        LOG.warn("assignRegion specifier type: expected: " + RegionSpecifierType.REGION_NAME
          + " actual: " + type);
      }
      RegionStates regionStates = master.assignmentManager.getRegionStates();
      HRegionInfo regionInfo = regionStates.getRegionInfo(regionName);
      if (regionInfo == null) throw new UnknownRegionException(Bytes.toString(regionName));
      if (master.cpHost != null) {
        if (master.cpHost.preAssign(regionInfo)) {
          return arr;
        }
      }
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    }
    RegionStates regionStates = master.assignmentManager.getRegionStates();
    RegionState regionStateA = regionStates.getRegionState(Bytes.toString(encodedNameOfRegionA));
    RegionState regionStateB = regionStates.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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Related Classes of org.apache.hadoop.hbase.UnknownRegionException

  • org.apache.hadoop.hbase.client.HBaseAdmin
  • org.apache.hadoop.hbase.master.HMaster
  • org.apache.hadoop.hbase.master.MasterRpcServices
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