Examples with FlinkRuntimeException org.apache.flink.util.FlinkRuntimeException used on opensource projects

Example 6 with FlinkRuntimeException

use of org.apache.flink.util.FlinkRuntimeException in project flink by apache.

the class AbstractFileSource method createEnumerator.

@Override
public SplitEnumerator<SplitT, PendingSplitsCheckpoint<SplitT>> createEnumerator(SplitEnumeratorContext<SplitT> enumContext) {
    final FileEnumerator enumerator = enumeratorFactory.create();
    // read the initial set of splits (which is also the total set of splits for bounded
    // sources)
    final Collection<FileSourceSplit> splits;
    try {
        // TODO - in the next cleanup pass, we should try to remove the need to "wrap unchecked"
        // here
        splits = enumerator.enumerateSplits(inputPaths, enumContext.currentParallelism());
    } catch (IOException e) {
        throw new FlinkRuntimeException("Could not enumerate file splits", e);
    }
    return createSplitEnumerator(enumContext, enumerator, splits, null);
}

Example 7 with FlinkRuntimeException

use of org.apache.flink.util.FlinkRuntimeException in project flink by apache.

the class FutureUtilsTest method testStopAtNonRetryableException.

/**
 * Test that {@link FutureUtils#retry} should stop at non-retryable exception.
 */
@Test
public void testStopAtNonRetryableException() {
    final int retries = 10;
    final int notRetry = 3;
    final AtomicInteger atomicInteger = new AtomicInteger(0);
    final FlinkRuntimeException nonRetryableException = new FlinkRuntimeException("Non-retryable exception");
    CompletableFuture<Boolean> retryFuture = FutureUtils.retry(() -> CompletableFuture.supplyAsync(() -> {
        if (atomicInteger.incrementAndGet() == notRetry) {
            // throw non-retryable exception
            throw new CompletionException(nonRetryableException);
        } else {
            throw new CompletionException(new FlinkException("Test exception"));
        }
    }, TestingUtils.defaultExecutor()), retries, throwable -> ExceptionUtils.findThrowable(throwable, FlinkException.class).isPresent(), TestingUtils.defaultExecutor());
    try {
        retryFuture.get();
        fail("Exception should be thrown.");
    } catch (Exception ex) {
        assertThat(ex, FlinkMatchers.containsCause(nonRetryableException));
    }
    assertThat(atomicInteger.get(), is(notRetry));
}

Example 8 with FlinkRuntimeException

use of org.apache.flink.util.FlinkRuntimeException in project flink by apache.

the class JobDispatcherLeaderProcessFactoryFactory method createFactory.

@Override
public JobDispatcherLeaderProcessFactory createFactory(JobPersistenceComponentFactory jobPersistenceComponentFactory, Executor ioExecutor, RpcService rpcService, PartialDispatcherServices partialDispatcherServices, FatalErrorHandler fatalErrorHandler) {
    final JobGraph jobGraph;
    try {
        jobGraph = Preconditions.checkNotNull(jobGraphRetriever.retrieveJobGraph(partialDispatcherServices.getConfiguration()));
    } catch (FlinkException e) {
        throw new FlinkRuntimeException("Could not retrieve the JobGraph.", e);
    }
    final JobResultStore jobResultStore = jobPersistenceComponentFactory.createJobResultStore();
    final Collection<JobResult> recoveredDirtyJobResults = getDirtyJobResults(jobResultStore);
    final Optional<JobResult> maybeRecoveredDirtyJobResult = extractDirtyJobResult(recoveredDirtyJobResults, jobGraph);
    final Optional<JobGraph> maybeJobGraph = getJobGraphBasedOnDirtyJobResults(jobGraph, recoveredDirtyJobResults);
    final DefaultDispatcherGatewayServiceFactory defaultDispatcherServiceFactory = new DefaultDispatcherGatewayServiceFactory(JobDispatcherFactory.INSTANCE, rpcService, partialDispatcherServices);
    return new JobDispatcherLeaderProcessFactory(defaultDispatcherServiceFactory, maybeJobGraph.orElse(null), maybeRecoveredDirtyJobResult.orElse(null), jobResultStore, fatalErrorHandler);
}

Example 9 with FlinkRuntimeException

use of org.apache.flink.util.FlinkRuntimeException in project flink by apache.

the class NFA method findFinalStateAfterProceed.

private State<T> findFinalStateAfterProceed(ConditionContext context, State<T> state, T event) {
    final Stack<State<T>> statesToCheck = new Stack<>();
    statesToCheck.push(state);
    try {
        while (!statesToCheck.isEmpty()) {
            final State<T> currentState = statesToCheck.pop();
            for (StateTransition<T> transition : currentState.getStateTransitions()) {
                if (transition.getAction() == StateTransitionAction.PROCEED && checkFilterCondition(context, transition.getCondition(), event)) {
                    if (transition.getTargetState().isFinal()) {
                        return transition.getTargetState();
                    } else {
                        statesToCheck.push(transition.getTargetState());
                    }
                }
            }
        }
    } catch (Exception e) {
        throw new FlinkRuntimeException("Failure happened in filter function.", e);
    }
    return null;
}

Example 10 with FlinkRuntimeException

use of org.apache.flink.util.FlinkRuntimeException in project flink by apache.

the class ApplicationDispatcherGatewayServiceFactory method create.

@Override
public AbstractDispatcherLeaderProcess.DispatcherGatewayService create(DispatcherId fencingToken, Collection<JobGraph> recoveredJobs, Collection<JobResult> recoveredDirtyJobResults, JobGraphWriter jobGraphWriter, JobResultStore jobResultStore) {
    final List<JobID> recoveredJobIds = getRecoveredJobIds(recoveredJobs);
    final Dispatcher dispatcher;
    try {
        dispatcher = dispatcherFactory.createDispatcher(rpcService, fencingToken, recoveredJobs, recoveredDirtyJobResults, (dispatcherGateway, scheduledExecutor, errorHandler) -> new ApplicationDispatcherBootstrap(application, recoveredJobIds, configuration, dispatcherGateway, scheduledExecutor, errorHandler), PartialDispatcherServicesWithJobPersistenceComponents.from(partialDispatcherServices, jobGraphWriter, jobResultStore));
    } catch (Exception e) {
        throw new FlinkRuntimeException("Could not create the Dispatcher rpc endpoint.", e);
    }
    dispatcher.start();
    return DefaultDispatcherGatewayService.from(dispatcher);
}