Examples with StreamSegmentNotExistsException io.pravega.segmentstore.contracts.StreamSegmentNotExistsException used on opensource projects

Example 51 with StreamSegmentNotExistsException

use of io.pravega.segmentstore.contracts.StreamSegmentNotExistsException in project pravega by pravega.

the class PravegaRequestProcessor method handleException.

private Void handleException(long requestId, String segment, String operation, Throwable u) {
    if (u == null) {
        IllegalStateException exception = new IllegalStateException("No exception to handle.");
        log.error("Error (Segment = '{}', Operation = '{}')", segment, operation, exception);
        throw exception;
    }
    u = Exceptions.unwrap(u);
    if (u instanceof StreamSegmentExistsException) {
        log.info("Segment '{}' already exists and cannot perform operation '{}'.", segment, operation);
        connection.send(new SegmentAlreadyExists(requestId, segment));
    } else if (u instanceof StreamSegmentNotExistsException) {
        log.warn("Segment '{}' does not exist and cannot perform operation '{}'.", segment, operation);
        connection.send(new NoSuchSegment(requestId, segment));
    } else if (u instanceof StreamSegmentSealedException) {
        log.info("Segment '{}' is sealed and cannot perform operation '{}'.", segment, operation);
        connection.send(new SegmentIsSealed(requestId, segment));
    } else if (u instanceof ContainerNotFoundException) {
        int containerId = ((ContainerNotFoundException) u).getContainerId();
        log.warn("Wrong host. Segment = '{}' (Container {}) is not owned. Operation = '{}').", segment, containerId, operation);
        connection.send(new WrongHost(requestId, segment, ""));
    } else if (u instanceof CancellationException) {
        log.info("Closing connection {} while performing {} due to {}.", connection, operation, u.getMessage());
        connection.close();
    } else if (u instanceof AuthenticationException) {
        log.warn("Authentication error during '{}'.", operation);
        connection.send(new WireCommands.AuthTokenCheckFailed(requestId));
        connection.close();
    } else if (u instanceof UnsupportedOperationException) {
        log.warn("Unsupported Operation '{}'.", operation, u);
        connection.send(new OperationUnsupported(requestId, operation));
    } else if (u instanceof BadOffsetException) {
        BadOffsetException badOffset = (BadOffsetException) u;
        connection.send(new SegmentIsTruncated(requestId, segment, badOffset.getExpectedOffset()));
    } else {
        log.error("Error (Segment = '{}', Operation = '{}')", segment, operation, u);
        // Closing connection should reinitialize things, and hopefully fix the problem
        connection.close();
        throw new IllegalStateException("Unknown exception.", u);
    }
    return null;
}