Examples with SlotNotFoundException org.apache.flink.runtime.taskexecutor.slot.SlotNotFoundException used on opensource projects

Example 11 with SlotNotFoundException

use of org.apache.flink.runtime.taskexecutor.slot.SlotNotFoundException in project flink by splunk.

the class TaskExecutor method submitTask.

// ----------------------------------------------------------------------
// Task lifecycle RPCs
// ----------------------------------------------------------------------
@Override
public CompletableFuture<Acknowledge> submitTask(TaskDeploymentDescriptor tdd, JobMasterId jobMasterId, Time timeout) {
    try {
        final JobID jobId = tdd.getJobId();
        final ExecutionAttemptID executionAttemptID = tdd.getExecutionAttemptId();
        final JobTable.Connection jobManagerConnection = jobTable.getConnection(jobId).orElseThrow(() -> {
            final String message = "Could not submit task because there is no JobManager " + "associated for the job " + jobId + '.';
            log.debug(message);
            return new TaskSubmissionException(message);
        });
        if (!Objects.equals(jobManagerConnection.getJobMasterId(), jobMasterId)) {
            final String message = "Rejecting the task submission because the job manager leader id " + jobMasterId + " does not match the expected job manager leader id " + jobManagerConnection.getJobMasterId() + '.';
            log.debug(message);
            throw new TaskSubmissionException(message);
        }
        if (!taskSlotTable.tryMarkSlotActive(jobId, tdd.getAllocationId())) {
            final String message = "No task slot allocated for job ID " + jobId + " and allocation ID " + tdd.getAllocationId() + '.';
            log.debug(message);
            throw new TaskSubmissionException(message);
        }
        // re-integrate offloaded data:
        try {
            tdd.loadBigData(taskExecutorBlobService.getPermanentBlobService());
        } catch (IOException | ClassNotFoundException e) {
            throw new TaskSubmissionException("Could not re-integrate offloaded TaskDeploymentDescriptor data.", e);
        }
        // deserialize the pre-serialized information
        final JobInformation jobInformation;
        final TaskInformation taskInformation;
        try {
            jobInformation = tdd.getSerializedJobInformation().deserializeValue(getClass().getClassLoader());
            taskInformation = tdd.getSerializedTaskInformation().deserializeValue(getClass().getClassLoader());
        } catch (IOException | ClassNotFoundException e) {
            throw new TaskSubmissionException("Could not deserialize the job or task information.", e);
        }
        if (!jobId.equals(jobInformation.getJobId())) {
            throw new TaskSubmissionException("Inconsistent job ID information inside TaskDeploymentDescriptor (" + tdd.getJobId() + " vs. " + jobInformation.getJobId() + ")");
        }
        TaskManagerJobMetricGroup jobGroup = taskManagerMetricGroup.addJob(jobInformation.getJobId(), jobInformation.getJobName());
        // note that a pre-existing job group can NOT be closed concurrently - this is done by
        // the same TM thread in removeJobMetricsGroup
        TaskMetricGroup taskMetricGroup = jobGroup.addTask(taskInformation.getJobVertexId(), tdd.getExecutionAttemptId(), taskInformation.getTaskName(), tdd.getSubtaskIndex(), tdd.getAttemptNumber());
        InputSplitProvider inputSplitProvider = new RpcInputSplitProvider(jobManagerConnection.getJobManagerGateway(), taskInformation.getJobVertexId(), tdd.getExecutionAttemptId(), taskManagerConfiguration.getRpcTimeout());
        final TaskOperatorEventGateway taskOperatorEventGateway = new RpcTaskOperatorEventGateway(jobManagerConnection.getJobManagerGateway(), executionAttemptID, (t) -> runAsync(() -> failTask(executionAttemptID, t)));
        TaskManagerActions taskManagerActions = jobManagerConnection.getTaskManagerActions();
        CheckpointResponder checkpointResponder = jobManagerConnection.getCheckpointResponder();
        GlobalAggregateManager aggregateManager = jobManagerConnection.getGlobalAggregateManager();
        LibraryCacheManager.ClassLoaderHandle classLoaderHandle = jobManagerConnection.getClassLoaderHandle();
        ResultPartitionConsumableNotifier resultPartitionConsumableNotifier = jobManagerConnection.getResultPartitionConsumableNotifier();
        PartitionProducerStateChecker partitionStateChecker = jobManagerConnection.getPartitionStateChecker();
        final TaskLocalStateStore localStateStore = localStateStoresManager.localStateStoreForSubtask(jobId, tdd.getAllocationId(), taskInformation.getJobVertexId(), tdd.getSubtaskIndex());
        // TODO: Pass config value from user program and do overriding here.
        final StateChangelogStorage<?> changelogStorage;
        try {
            changelogStorage = changelogStoragesManager.stateChangelogStorageForJob(jobId, taskManagerConfiguration.getConfiguration(), jobGroup);
        } catch (IOException e) {
            throw new TaskSubmissionException(e);
        }
        final JobManagerTaskRestore taskRestore = tdd.getTaskRestore();
        final TaskStateManager taskStateManager = new TaskStateManagerImpl(jobId, tdd.getExecutionAttemptId(), localStateStore, changelogStorage, taskRestore, checkpointResponder);
        MemoryManager memoryManager;
        try {
            memoryManager = taskSlotTable.getTaskMemoryManager(tdd.getAllocationId());
        } catch (SlotNotFoundException e) {
            throw new TaskSubmissionException("Could not submit task.", e);
        }
        Task task = new Task(jobInformation, taskInformation, tdd.getExecutionAttemptId(), tdd.getAllocationId(), tdd.getSubtaskIndex(), tdd.getAttemptNumber(), tdd.getProducedPartitions(), tdd.getInputGates(), memoryManager, taskExecutorServices.getIOManager(), taskExecutorServices.getShuffleEnvironment(), taskExecutorServices.getKvStateService(), taskExecutorServices.getBroadcastVariableManager(), taskExecutorServices.getTaskEventDispatcher(), externalResourceInfoProvider, taskStateManager, taskManagerActions, inputSplitProvider, checkpointResponder, taskOperatorEventGateway, aggregateManager, classLoaderHandle, fileCache, taskManagerConfiguration, taskMetricGroup, resultPartitionConsumableNotifier, partitionStateChecker, getRpcService().getScheduledExecutor());
        taskMetricGroup.gauge(MetricNames.IS_BACK_PRESSURED, task::isBackPressured);
        log.info("Received task {} ({}), deploy into slot with allocation id {}.", task.getTaskInfo().getTaskNameWithSubtasks(), tdd.getExecutionAttemptId(), tdd.getAllocationId());
        boolean taskAdded;
        try {
            taskAdded = taskSlotTable.addTask(task);
        } catch (SlotNotFoundException | SlotNotActiveException e) {
            throw new TaskSubmissionException("Could not submit task.", e);
        }
        if (taskAdded) {
            task.startTaskThread();
            setupResultPartitionBookkeeping(tdd.getJobId(), tdd.getProducedPartitions(), task.getTerminationFuture());
            return CompletableFuture.completedFuture(Acknowledge.get());
        } else {
            final String message = "TaskManager already contains a task for id " + task.getExecutionId() + '.';
            log.debug(message);
            throw new TaskSubmissionException(message);
        }
    } catch (TaskSubmissionException e) {
        return FutureUtils.completedExceptionally(e);
    }
}

Example 12 with SlotNotFoundException

use of org.apache.flink.runtime.taskexecutor.slot.SlotNotFoundException in project flink by splunk.

the class TaskExecutor method disconnectJobManagerConnection.

private void disconnectJobManagerConnection(JobTable.Connection jobManagerConnection, Exception cause) {
    final JobID jobId = jobManagerConnection.getJobId();
    if (log.isDebugEnabled()) {
        log.debug("Close JobManager connection for job {}.", jobId, cause);
    } else {
        log.info("Close JobManager connection for job {}.", jobId);
    }
    // 1. fail tasks running under this JobID
    Iterator<Task> tasks = taskSlotTable.getTasks(jobId);
    final FlinkException failureCause = new FlinkException(String.format("Disconnect from JobManager responsible for %s.", jobId), cause);
    while (tasks.hasNext()) {
        tasks.next().failExternally(failureCause);
    }
    // 2. Move the active slots to state allocated (possible to time out again)
    Set<AllocationID> activeSlotAllocationIDs = taskSlotTable.getActiveTaskSlotAllocationIdsPerJob(jobId);
    final FlinkException freeingCause = new FlinkException("Slot could not be marked inactive.");
    for (AllocationID activeSlotAllocationID : activeSlotAllocationIDs) {
        try {
            if (!taskSlotTable.markSlotInactive(activeSlotAllocationID, taskManagerConfiguration.getSlotTimeout())) {
                freeSlotInternal(activeSlotAllocationID, freeingCause);
            }
        } catch (SlotNotFoundException e) {
            log.debug("Could not mark the slot {} inactive.", activeSlotAllocationID, e);
        }
    }
    // 3. Disassociate from the JobManager
    try {
        jobManagerHeartbeatManager.unmonitorTarget(jobManagerConnection.getResourceId());
        disassociateFromJobManager(jobManagerConnection, cause);
    } catch (IOException e) {
        log.warn("Could not properly disassociate from JobManager {}.", jobManagerConnection.getJobManagerGateway().getAddress(), e);
    }
    jobManagerConnection.disconnect();
}

Example 13 with SlotNotFoundException

use of org.apache.flink.runtime.taskexecutor.slot.SlotNotFoundException in project flink by splunk.

the class TaskExecutor method handleAcceptedSlotOffers.

@Nonnull
private BiConsumer<Iterable<SlotOffer>, Throwable> handleAcceptedSlotOffers(JobID jobId, JobMasterGateway jobMasterGateway, JobMasterId jobMasterId, Collection<SlotOffer> offeredSlots, UUID offerId) {
    return (Iterable<SlotOffer> acceptedSlots, Throwable throwable) -> {
        // check if this is the latest offer
        if (!offerId.equals(currentSlotOfferPerJob.get(jobId))) {
            // If this offer is outdated then it can be safely ignored.
            // If the response for a given slot is identical in both offers (accepted/rejected),
            // then this is naturally the case since the end-result is the same.
            // If the responses differ, then there are 2 cases to consider:
            // 1) initially rejected, later accepted
            // This can happen when the resource requirements of a job increases between
            // offers.
            // In this case the first response MUST be ignored, so that
            // the slot can be properly activated when the second response arrives.
            // 2) initially accepted, later rejected
            // This can happen when the resource requirements of a job decrease between
            // offers.
            // In this case the first response MAY be ignored, because the job no longer
            // requires the slot (and already has initiated steps to free it) and we can thus
            // assume that any in-flight task submissions are no longer relevant for the job
            // execution.
            log.debug("Discard slot offer response since there is a newer offer for the job {}.", jobId);
            return;
        }
        if (throwable != null) {
            if (throwable instanceof TimeoutException) {
                log.info("Slot offering to JobManager did not finish in time. Retrying the slot offering.");
                // We ran into a timeout. Try again.
                offerSlotsToJobManager(jobId);
            } else {
                log.warn("Slot offering to JobManager failed. Freeing the slots " + "and returning them to the ResourceManager.", throwable);
                // We encountered an exception. Free the slots and return them to the RM.
                for (SlotOffer reservedSlot : offeredSlots) {
                    freeSlotInternal(reservedSlot.getAllocationId(), throwable);
                }
            }
        } else {
            // check if the response is still valid
            if (isJobManagerConnectionValid(jobId, jobMasterId)) {
                // mark accepted slots active
                for (SlotOffer acceptedSlot : acceptedSlots) {
                    final AllocationID allocationId = acceptedSlot.getAllocationId();
                    try {
                        if (!taskSlotTable.markSlotActive(allocationId)) {
                            // the slot is either free or releasing at the moment
                            final String message = "Could not mark slot " + allocationId + " active.";
                            log.debug(message);
                            jobMasterGateway.failSlot(getResourceID(), allocationId, new FlinkException(message));
                        }
                    } catch (SlotNotFoundException e) {
                        final String message = "Could not mark slot " + allocationId + " active.";
                        jobMasterGateway.failSlot(getResourceID(), allocationId, new FlinkException(message));
                    }
                    offeredSlots.remove(acceptedSlot);
                }
                final Exception e = new Exception("The slot was rejected by the JobManager.");
                for (SlotOffer rejectedSlot : offeredSlots) {
                    freeSlotInternal(rejectedSlot.getAllocationId(), e);
                }
            } else {
                // discard the response since there is a new leader for the job
                log.debug("Discard slot offer response since there is a new leader " + "for the job {}.", jobId);
            }
        }
    };
}

Example 14 with SlotNotFoundException

use of org.apache.flink.runtime.taskexecutor.slot.SlotNotFoundException in project flink by apache.

the class TaskExecutor method submitTask.

// ======================================================================
//  RPC methods
// ======================================================================
// ----------------------------------------------------------------------
// Task lifecycle RPCs
// ----------------------------------------------------------------------
@RpcMethod
public Acknowledge submitTask(TaskDeploymentDescriptor tdd, UUID jobManagerLeaderId) throws TaskSubmissionException {
    // first, deserialize the pre-serialized information
    final JobInformation jobInformation;
    final TaskInformation taskInformation;
    try {
        jobInformation = tdd.getSerializedJobInformation().deserializeValue(getClass().getClassLoader());
        taskInformation = tdd.getSerializedTaskInformation().deserializeValue(getClass().getClassLoader());
    } catch (IOException | ClassNotFoundException e) {
        throw new TaskSubmissionException("Could not deserialize the job or task information.", e);
    }
    final JobID jobId = jobInformation.getJobId();
    final JobManagerConnection jobManagerConnection = jobManagerTable.get(jobId);
    if (jobManagerConnection == null) {
        final String message = "Could not submit task because there is no JobManager " + "associated for the job " + jobId + '.';
        log.debug(message);
        throw new TaskSubmissionException(message);
    }
    if (!jobManagerConnection.getLeaderId().equals(jobManagerLeaderId)) {
        final String message = "Rejecting the task submission because the job manager leader id " + jobManagerLeaderId + " does not match the expected job manager leader id " + jobManagerConnection.getLeaderId() + '.';
        log.debug(message);
        throw new TaskSubmissionException(message);
    }
    if (!taskSlotTable.existsActiveSlot(jobId, tdd.getAllocationId())) {
        final String message = "No task slot allocated for job ID " + jobId + " and allocation ID " + tdd.getAllocationId() + '.';
        log.debug(message);
        throw new TaskSubmissionException(message);
    }
    TaskMetricGroup taskMetricGroup = taskManagerMetricGroup.addTaskForJob(jobInformation.getJobId(), jobInformation.getJobName(), taskInformation.getJobVertexId(), tdd.getExecutionAttemptId(), taskInformation.getTaskName(), tdd.getSubtaskIndex(), tdd.getAttemptNumber());
    InputSplitProvider inputSplitProvider = new RpcInputSplitProvider(jobManagerConnection.getLeaderId(), jobManagerConnection.getJobManagerGateway(), jobInformation.getJobId(), taskInformation.getJobVertexId(), tdd.getExecutionAttemptId(), taskManagerConfiguration.getTimeout());
    TaskManagerActions taskManagerActions = jobManagerConnection.getTaskManagerActions();
    CheckpointResponder checkpointResponder = jobManagerConnection.getCheckpointResponder();
    LibraryCacheManager libraryCache = jobManagerConnection.getLibraryCacheManager();
    ResultPartitionConsumableNotifier resultPartitionConsumableNotifier = jobManagerConnection.getResultPartitionConsumableNotifier();
    PartitionProducerStateChecker partitionStateChecker = jobManagerConnection.getPartitionStateChecker();
    Task task = new Task(jobInformation, taskInformation, tdd.getExecutionAttemptId(), tdd.getAllocationId(), tdd.getSubtaskIndex(), tdd.getAttemptNumber(), tdd.getProducedPartitions(), tdd.getInputGates(), tdd.getTargetSlotNumber(), tdd.getTaskStateHandles(), memoryManager, ioManager, networkEnvironment, broadcastVariableManager, taskManagerActions, inputSplitProvider, checkpointResponder, libraryCache, fileCache, taskManagerConfiguration, taskMetricGroup, resultPartitionConsumableNotifier, partitionStateChecker, getRpcService().getExecutor());
    log.info("Received task {}.", task.getTaskInfo().getTaskNameWithSubtasks());
    boolean taskAdded;
    try {
        taskAdded = taskSlotTable.addTask(task);
    } catch (SlotNotFoundException | SlotNotActiveException e) {
        throw new TaskSubmissionException("Could not submit task.", e);
    }
    if (taskAdded) {
        task.startTaskThread();
        return Acknowledge.get();
    } else {
        final String message = "TaskManager already contains a task for id " + task.getExecutionId() + '.';
        log.debug(message);
        throw new TaskSubmissionException(message);
    }
}

Example 15 with SlotNotFoundException

use of org.apache.flink.runtime.taskexecutor.slot.SlotNotFoundException in project flink by apache.

the class TaskExecutor method allocateSlotForJob.

private boolean allocateSlotForJob(JobID jobId, SlotID slotId, AllocationID allocationId, ResourceProfile resourceProfile, String targetAddress) throws SlotAllocationException {
    allocateSlot(slotId, jobId, allocationId, resourceProfile);
    final JobTable.Job job;
    try {
        job = jobTable.getOrCreateJob(jobId, () -> registerNewJobAndCreateServices(jobId, targetAddress));
    } catch (Exception e) {
        // free the allocated slot
        try {
            taskSlotTable.freeSlot(allocationId);
        } catch (SlotNotFoundException slotNotFoundException) {
            // slot no longer existent, this should actually never happen, because we've
            // just allocated the slot. So let's fail hard in this case!
            onFatalError(slotNotFoundException);
        }
        // release local state under the allocation id.
        localStateStoresManager.releaseLocalStateForAllocationId(allocationId);
        // sanity check
        if (!taskSlotTable.isSlotFree(slotId.getSlotNumber())) {
            onFatalError(new Exception("Could not free slot " + slotId));
        }
        throw new SlotAllocationException("Could not create new job.", e);
    }
    return job.isConnected();
}