Examples with HBaseIOException org.apache.hadoop.hbase.HBaseIOException used on opensource projects

Example 6 with HBaseIOException

use of org.apache.hadoop.hbase.HBaseIOException in project hbase by apache.

the class RegionAdminServiceCallable method getLocation.

public HRegionLocation getLocation(boolean useCache) throws IOException {
    RegionLocations rl = getRegionLocations(connection, tableName, row, useCache, replicaId);
    if (rl == null) {
        throw new HBaseIOException(getExceptionMessage());
    }
    HRegionLocation location = rl.getRegionLocation(replicaId);
    if (location == null) {
        throw new HBaseIOException(getExceptionMessage());
    }
    return location;
}

Example 7 with HBaseIOException

use of org.apache.hadoop.hbase.HBaseIOException in project hbase by apache.

the class ScannerCallable method prepare.

/**
   * @param reload force reload of server location
   * @throws IOException
   */
@Override
public void prepare(boolean reload) throws IOException {
    if (Thread.interrupted()) {
        throw new InterruptedIOException();
    }
    RegionLocations rl = RpcRetryingCallerWithReadReplicas.getRegionLocations(!reload, id, getConnection(), getTableName(), getRow());
    location = id < rl.size() ? rl.getRegionLocation(id) : null;
    if (location == null || location.getServerName() == null) {
        //  when the table is created or after a split.
        throw new HBaseIOException("There is no location for replica id #" + id);
    }
    ServerName dest = location.getServerName();
    setStub(super.getConnection().getClient(dest));
    if (!instantiated || reload) {
        checkIfRegionServerIsRemote();
        instantiated = true;
    }
    // check how often we retry.
    if (reload && this.scanMetrics != null) {
        this.scanMetrics.countOfRPCRetries.incrementAndGet();
        if (isRegionServerRemote) {
            this.scanMetrics.countOfRemoteRPCRetries.incrementAndGet();
        }
    }
}

Example 8 with HBaseIOException

use of org.apache.hadoop.hbase.HBaseIOException in project hbase by apache.

the class TestAccessController method testTruncatePerms.

@Test(timeout = 180000)
public void testTruncatePerms() throws Exception {
    try {
        List<UserPermission> existingPerms = AccessControlClient.getUserPermissions(systemUserConnection, TEST_TABLE.getNameAsString());
        assertTrue(existingPerms != null);
        assertTrue(existingPerms.size() > 1);
        TEST_UTIL.getAdmin().disableTable(TEST_TABLE);
        TEST_UTIL.truncateTable(TEST_TABLE);
        TEST_UTIL.waitTableAvailable(TEST_TABLE);
        List<UserPermission> perms = AccessControlClient.getUserPermissions(systemUserConnection, TEST_TABLE.getNameAsString());
        assertTrue(perms != null);
        assertEquals(existingPerms.size(), perms.size());
    } catch (Throwable e) {
        throw new HBaseIOException(e);
    }
}

Example 9 with HBaseIOException

use of org.apache.hadoop.hbase.HBaseIOException in project hbase by apache.

the class RSRpcServices method doNonAtomicRegionMutation.

/**
   * Run through the regionMutation <code>rm</code> and per Mutation, do the work, and then when
   * done, add an instance of a {@link ResultOrException} that corresponds to each Mutation.
   * @param region
   * @param actions
   * @param cellScanner
   * @param builder
   * @param cellsToReturn  Could be null. May be allocated in this method.  This is what this
   * method returns as a 'result'.
   * @param closeCallBack the callback to be used with multigets
   * @param context the current RpcCallContext
   * @return Return the <code>cellScanner</code> passed
   */
private List<CellScannable> doNonAtomicRegionMutation(final Region region, final OperationQuota quota, final RegionAction actions, final CellScanner cellScanner, final RegionActionResult.Builder builder, List<CellScannable> cellsToReturn, long nonceGroup, final RegionScannersCloseCallBack closeCallBack, RpcCallContext context) {
    // Gather up CONTIGUOUS Puts and Deletes in this mutations List.  Idea is that rather than do
    // one at a time, we instead pass them in batch.  Be aware that the corresponding
    // ResultOrException instance that matches each Put or Delete is then added down in the
    // doBatchOp call.  We should be staying aligned though the Put and Delete are deferred/batched
    List<ClientProtos.Action> mutations = null;
    long maxQuotaResultSize = Math.min(maxScannerResultSize, quota.getReadAvailable());
    IOException sizeIOE = null;
    Object lastBlock = null;
    ClientProtos.ResultOrException.Builder resultOrExceptionBuilder = ResultOrException.newBuilder();
    boolean hasResultOrException = false;
    for (ClientProtos.Action action : actions.getActionList()) {
        hasResultOrException = false;
        resultOrExceptionBuilder.clear();
        try {
            Result r = null;
            if (context != null && context.isRetryImmediatelySupported() && (context.getResponseCellSize() > maxQuotaResultSize || context.getResponseBlockSize() + context.getResponseExceptionSize() > maxQuotaResultSize)) {
                // change after the response size limit is reached.
                if (sizeIOE == null) {
                    // We don't need the stack un-winding do don't throw the exception.
                    // Throwing will kill the JVM's JIT.
                    //
                    // Instead just create the exception and then store it.
                    sizeIOE = new MultiActionResultTooLarge("Max size exceeded" + " CellSize: " + context.getResponseCellSize() + " BlockSize: " + context.getResponseBlockSize());
                    // Only report the exception once since there's only one request that
                    // caused the exception. Otherwise this number will dominate the exceptions count.
                    rpcServer.getMetrics().exception(sizeIOE);
                }
                // Now that there's an exception is known to be created
                // use it for the response.
                //
                // This will create a copy in the builder.
                hasResultOrException = true;
                NameBytesPair pair = ResponseConverter.buildException(sizeIOE);
                resultOrExceptionBuilder.setException(pair);
                context.incrementResponseExceptionSize(pair.getSerializedSize());
                resultOrExceptionBuilder.setIndex(action.getIndex());
                builder.addResultOrException(resultOrExceptionBuilder.build());
                if (cellScanner != null) {
                    skipCellsForMutation(action, cellScanner);
                }
                continue;
            }
            if (action.hasGet()) {
                long before = EnvironmentEdgeManager.currentTime();
                try {
                    Get get = ProtobufUtil.toGet(action.getGet());
                    if (context != null) {
                        r = get(get, ((HRegion) region), closeCallBack, context);
                    } else {
                        r = region.get(get);
                    }
                } finally {
                    if (regionServer.metricsRegionServer != null) {
                        regionServer.metricsRegionServer.updateGet(EnvironmentEdgeManager.currentTime() - before);
                    }
                }
            } else if (action.hasServiceCall()) {
                hasResultOrException = true;
                try {
                    com.google.protobuf.Message result = execServiceOnRegion(region, action.getServiceCall());
                    ClientProtos.CoprocessorServiceResult.Builder serviceResultBuilder = ClientProtos.CoprocessorServiceResult.newBuilder();
                    resultOrExceptionBuilder.setServiceResult(serviceResultBuilder.setValue(serviceResultBuilder.getValueBuilder().setName(result.getClass().getName()).setValue(UnsafeByteOperations.unsafeWrap(result.toByteArray()))));
                } catch (IOException ioe) {
                    rpcServer.getMetrics().exception(ioe);
                    NameBytesPair pair = ResponseConverter.buildException(ioe);
                    resultOrExceptionBuilder.setException(pair);
                    context.incrementResponseExceptionSize(pair.getSerializedSize());
                }
            } else if (action.hasMutation()) {
                MutationType type = action.getMutation().getMutateType();
                if (type != MutationType.PUT && type != MutationType.DELETE && mutations != null && !mutations.isEmpty()) {
                    // Flush out any Puts or Deletes already collected.
                    doBatchOp(builder, region, quota, mutations, cellScanner);
                    mutations.clear();
                }
                switch(type) {
                    case APPEND:
                        r = append(region, quota, action.getMutation(), cellScanner, nonceGroup);
                        break;
                    case INCREMENT:
                        r = increment(region, quota, action.getMutation(), cellScanner, nonceGroup);
                        break;
                    case PUT:
                    case DELETE:
                        // Collect the individual mutations and apply in a batch
                        if (mutations == null) {
                            mutations = new ArrayList<>(actions.getActionCount());
                        }
                        mutations.add(action);
                        break;
                    default:
                        throw new DoNotRetryIOException("Unsupported mutate type: " + type.name());
                }
            } else {
                throw new HBaseIOException("Unexpected Action type");
            }
            if (r != null) {
                ClientProtos.Result pbResult = null;
                if (isClientCellBlockSupport(context)) {
                    pbResult = ProtobufUtil.toResultNoData(r);
                    //  Hard to guess the size here.  Just make a rough guess.
                    if (cellsToReturn == null) {
                        cellsToReturn = new ArrayList<>();
                    }
                    cellsToReturn.add(r);
                } else {
                    pbResult = ProtobufUtil.toResult(r);
                }
                lastBlock = addSize(context, r, lastBlock);
                hasResultOrException = true;
                resultOrExceptionBuilder.setResult(pbResult);
            }
        // Could get to here and there was no result and no exception.  Presumes we added
        // a Put or Delete to the collecting Mutations List for adding later.  In this
        // case the corresponding ResultOrException instance for the Put or Delete will be added
        // down in the doBatchOp method call rather than up here.
        } catch (IOException ie) {
            rpcServer.getMetrics().exception(ie);
            hasResultOrException = true;
            NameBytesPair pair = ResponseConverter.buildException(ie);
            resultOrExceptionBuilder.setException(pair);
            context.incrementResponseExceptionSize(pair.getSerializedSize());
        }
        if (hasResultOrException) {
            // Propagate index.
            resultOrExceptionBuilder.setIndex(action.getIndex());
            builder.addResultOrException(resultOrExceptionBuilder.build());
        }
    }
    // Finish up any outstanding mutations
    if (mutations != null && !mutations.isEmpty()) {
        doBatchOp(builder, region, quota, mutations, cellScanner);
    }
    return cellsToReturn;
}

Example 10 with HBaseIOException

use of org.apache.hadoop.hbase.HBaseIOException in project hbase by apache.

the class RSGroupBasedLoadBalancer method balanceCluster.

@Override
public List<RegionPlan> balanceCluster(Map<ServerName, List<HRegionInfo>> clusterState) throws HBaseIOException {
    if (!isOnline()) {
        throw new ConstraintException(RSGroupInfoManager.RSGROUP_TABLE_NAME + " is not online, unable to perform balance");
    }
    Map<ServerName, List<HRegionInfo>> correctedState = correctAssignments(clusterState);
    List<RegionPlan> regionPlans = new ArrayList<>();
    List<HRegionInfo> misplacedRegions = correctedState.get(LoadBalancer.BOGUS_SERVER_NAME);
    for (HRegionInfo regionInfo : misplacedRegions) {
        regionPlans.add(new RegionPlan(regionInfo, null, null));
    }
    try {
        List<RSGroupInfo> rsgi = rsGroupInfoManager.listRSGroups();
        for (RSGroupInfo info : rsgi) {
            Map<ServerName, List<HRegionInfo>> groupClusterState = new HashMap<>();
            Map<TableName, Map<ServerName, List<HRegionInfo>>> groupClusterLoad = new HashMap<>();
            for (Address sName : info.getServers()) {
                for (ServerName curr : clusterState.keySet()) {
                    if (curr.getAddress().equals(sName)) {
                        groupClusterState.put(curr, correctedState.get(curr));
                    }
                }
            }
            groupClusterLoad.put(TableName.valueOf(HConstants.ENSEMBLE_TABLE_NAME), groupClusterState);
            this.internalBalancer.setClusterLoad(groupClusterLoad);
            List<RegionPlan> groupPlans = this.internalBalancer.balanceCluster(groupClusterState);
            if (groupPlans != null) {
                regionPlans.addAll(groupPlans);
            }
        }
    } catch (IOException exp) {
        LOG.warn("Exception while balancing cluster.", exp);
        regionPlans.clear();
    }
    return regionPlans;
}