Examples with Error com.yahoo.messagebus.Error used on opensource projects

Example 46 with Error

use of com.yahoo.messagebus.Error in project vespa by vespa-engine.

the class MessageBusVisitorSessionTestCase method testDestroyAbortsSessionIfNotDone.

@Test
public void testDestroyAbortsSessionIfNotDone() throws Exception {
    MockComponents mc = createDefaultMock("id.user==1234");
    mc.visitorSession.start();
    mc.executor.expectAndProcessTasks(1);
    mc.controlHandler.setSynchronousWaitUntilDone(true);
    mc.controlHandler.resetMock();
    final MessageBusVisitorSession session = mc.visitorSession;
    final SharedValue<Exception> exceptionPropagator = new SharedValue<Exception>();
    final CyclicBarrier barrier = new CyclicBarrier(2);
    // Have to do this multi-threaded for once since destroy is
    // synchronous and any code logic bug could otherwise cause the
    // test (and thus the build) to hang indefinitely.
    // NOTE: even though the MockControlHandler itself is not thread safe,
    // the control flow of the test should guarantee there is no concurrent
    // access to it.
    Thread t = new Thread(() -> {
        try {
            session.destroy();
            if (!session.isDone()) {
                throw new IllegalStateException("Session is not marked as done after destroy()");
            }
            barrier.await(20000, TimeUnit.MILLISECONDS);
        } catch (Exception e) {
            exceptionPropagator.setValue(e);
        }
    });
    t.start();
    try {
        waitUntilTrue(20000, () -> session.isDestroying());
        // Reply to visitor. Normally, the visitor would be resent, but
        // since destroy aborts the session, this won't happen and the
        // session will be marked as completed instead.
        replyErrorToCreateVisitor(mc.sender, new Error(DocumentProtocol.ERROR_BUCKET_DELETED, "goner"));
        // reply
        mc.executor.expectAndProcessTasks(1);
        mc.executor.expectNoTasks();
        barrier.await(20000, TimeUnit.MILLISECONDS);
    } catch (Exception e) {
        t.interrupt();
        throw e;
    } finally {
        t.join();
    }
    if (exceptionPropagator.getValue() != null) {
        throw new IllegalStateException("Exception thrown in destruction thread", exceptionPropagator.getValue());
    }
    assertTrue(mc.sender.isDestroyed());
    assertTrue(mc.receiver.isDestroyed());
    assertEquals("onDone : ABORTED - 'Session explicitly destroyed before completion'\n", mc.controlHandler.toString());
}

Example 47 with Error

use of com.yahoo.messagebus.Error in project vespa by vespa-engine.

the class MessageBusVisitorSessionTestCase method testSkipBucketOnFatalMessageProcessingError.

@Test
public void testSkipBucketOnFatalMessageProcessingError() {
    VisitorParameters visitorParameters = createVisitorParameters("id.user==1234");
    visitorParameters.skipBucketsOnFatalErrors(true);
    MockComponents mc = createDefaultMock(visitorParameters);
    mc.controlHandler.resetMock();
    mc.dataHandler.resetMock();
    mc.dataHandler.setExceptionOnMessage(new IllegalArgumentException("oh no"));
    mc.visitorSession.start();
    mc.executor.expectAndProcessTasks(1);
    mc.receiver.send(new RemoveDocumentMessage(new DocumentId("doc:foo:bar")));
    mc.executor.expectAndProcessTasks(1);
    assertEquals(1, mc.dataHandler.getMessages().size());
    // NOTE: current behavior does _not_ fail the session at the end of
    // visiting if the CreateVisitor replies do not also return with failure
    // since this is tied to the ProgressToken and its failed buckets list.
    // We make the simplifying assumption that failing a visitor _message_
    // will subsequently cause its reply to fail back to us, allowing us to
    // handle this as a regular skippable bucket.
    // TODO: reconsider this?
    replyErrorToCreateVisitor(mc.sender, new Error(DocumentProtocol.ERROR_INTERNAL_FAILURE, "The Borkening"));
    mc.executor.expectAndProcessTasks(1);
    mc.executor.expectNoTasks();
    assertTrue(mc.controlHandler.isDone());
    // Get UNPARSEABLE rather than APP_FATAL_ERROR if skip buckets is set
    assertEquals("RemoveDocumentReply(UNPARSEABLE: Got exception of type java.lang.IllegalArgumentException " + "with message 'oh no' while processing DocumentMessage)\n", mc.receiver.repliesToString());
    assertEquals("onVisitorError : INTERNAL_FAILURE: The Borkening\n" + "onDone : FAILURE - 'INTERNAL_FAILURE: The Borkening'\n", mc.controlHandler.toString());
    assertEquals("FAILURE: INTERNAL_FAILURE: The Borkening", mc.controlHandler.getResult().toString());
}

Example 48 with Error

use of com.yahoo.messagebus.Error in project vespa by vespa-engine.

the class MessageBusVisitorSessionTestCase method testSilentlyIgnoreBucketDeletedNotFoundErrors.

@Test
public void testSilentlyIgnoreBucketDeletedNotFoundErrors() {
    MockComponents mc = createDefaultMock("id.user==1234");
    mc.controlHandler.resetMock();
    mc.visitorSession.start();
    mc.executor.expectAndProcessTasks(1);
    replyErrorToCreateVisitor(mc.sender, new Error(DocumentProtocol.ERROR_BUCKET_NOT_FOUND, "dave's not here, maaan"));
    // reply
    mc.executor.expectAndProcessTasks(1);
    // Should just resend with a 100ms delay
    mc.executor.expectAndProcessTasks(1, new long[] { 100 });
    // Now hit it with a BUCKET_DELETED error, which is also silent
    replyErrorToCreateVisitor(mc.sender, new Error(DocumentProtocol.ERROR_BUCKET_DELETED, "dave's not here either, maaan!"));
    // reply
    mc.executor.expectAndProcessTasks(1);
    // Should also resend with a 100ms delay
    mc.executor.expectAndProcessTasks(1, new long[] { 100 });
    assertEquals("CreateVisitorMessage(buckets=[\n" + "BucketId(0x80000000000004d2)\n" + "BucketId(0x0000000000000000)\n" + "]\n" + "selection='id.user==1234'\n)", replyToCreateVisitor(mc.sender, ProgressToken.FINISHED_BUCKET));
    mc.executor.expectAndProcessTasks(1);
    assertTrue(mc.controlHandler.isDone());
    assertEquals("onProgress : 0 active, 0 pending, 1 finished, 1 total\n" + "onVisitorStatistics : 0 buckets visited, 0 docs returned\n" + "onDone : SUCCESS - ''\n", mc.controlHandler.toString());
}

Example 49 with Error

use of com.yahoo.messagebus.Error in project vespa by vespa-engine.

the class MessageBusVisitorSessionTestCase method testWaitUntilVisitorsDoneOnFatalError.

/**
 * Do not complete visiting upon fatal error until all replies have
 * been received.
 */
@Test
public void testWaitUntilVisitorsDoneOnFatalError() {
    MockComponents mc = createDefaultMock();
    mc.visitorSession.start();
    // clear messages
    mc.controlHandler.resetMock();
    mc.executor.expectAndProcessTasks(1);
    assertEquals(2, mc.sender.getMessageCount());
    replyToCreateVisitor(mc.sender, (reply) -> {
        reply.addError(new Error(DocumentProtocol.ERROR_INTERNAL_FAILURE, "node fell down a well"));
    });
    // reply
    mc.executor.expectAndProcessTasks(1);
    mc.executor.expectNoTasks();
    // no resending
    assertEquals(1, mc.sender.getMessageCount());
    // not done yet
    assertFalse(mc.visitorSession.isDone());
    replyToCreateVisitor(mc.sender, (reply) -> {
        reply.addError(new Error(DocumentProtocol.ERROR_INTERNAL_FAILURE, "node got hit by a falling brick"));
    });
    // reply
    mc.executor.expectAndProcessTasks(1);
    mc.executor.expectNoTasks();
    // no resending
    assertEquals(0, mc.sender.getMessageCount());
    assertTrue(mc.visitorSession.isDone());
    // should get first received failure message as completion failure message
    assertEquals("onVisitorError : INTERNAL_FAILURE: node fell down a well\n" + "onVisitorError : INTERNAL_FAILURE: node got hit by a falling brick\n" + "onDone : FAILURE - 'INTERNAL_FAILURE: node fell down a well'\n", mc.controlHandler.toString());
}

Example 50 with Error

use of com.yahoo.messagebus.Error in project vespa by vespa-engine.

the class MessageBusVisitorSessionTestCase method testFailVisitingOnFatalError.

@Test
public void testFailVisitingOnFatalError() {
    MockComponents mc = createDefaultMock("id.user==1234");
    mc.visitorSession.start();
    mc.controlHandler.resetMock();
    mc.executor.expectAndProcessTasks(1);
    replyToCreateVisitor(mc.sender, (reply) -> {
        reply.addError(new Error(DocumentProtocol.ERROR_INTERNAL_FAILURE, "node caught fire"));
    });
    // reply
    mc.executor.expectAndProcessTasks(1);
    mc.executor.expectNoTasks();
    assertEquals(0, mc.sender.getMessageCount());
    assertTrue(mc.visitorSession.isDone());
    assertEquals("onVisitorError : INTERNAL_FAILURE: node caught fire\n" + "onDone : FAILURE - 'INTERNAL_FAILURE: node caught fire'\n", mc.controlHandler.toString());
}