Examples with WORKER_NODE_ERROR com.facebook.presto.util.Failures.WORKER_NODE_ERROR used on opensource projects

Example 1 with WORKER_NODE_ERROR

use of com.facebook.presto.util.Failures.WORKER_NODE_ERROR in project presto by prestodb.

the class TestHttpPageBufferClient method testExceptionFromResponseHandler.

@Test
public void testExceptionFromResponseHandler() throws Exception {
    TestingTicker ticker = new TestingTicker();
    AtomicReference<Duration> tickerIncrement = new AtomicReference<>(new Duration(0, TimeUnit.SECONDS));
    TestingHttpClient.Processor processor = (input) -> {
        Duration delta = tickerIncrement.get();
        ticker.increment(delta.toMillis(), TimeUnit.MILLISECONDS);
        throw new RuntimeException("Foo");
    };
    CyclicBarrier requestComplete = new CyclicBarrier(2);
    TestingClientCallback callback = new TestingClientCallback(requestComplete);
    URI location = URI.create("http://localhost:8080");
    HttpPageBufferClient client = new HttpPageBufferClient(new TestingHttpClient(processor, executor), new DataSize(10, Unit.MEGABYTE), new Duration(1, TimeUnit.MINUTES), new Duration(1, TimeUnit.MINUTES), location, callback, executor, ticker);
    assertStatus(client, location, "queued", 0, 0, 0, 0, "not scheduled");
    // request processor will throw exception, verify the request is marked a completed
    // this starts the error stopwatch
    client.scheduleRequest();
    requestComplete.await(10, TimeUnit.SECONDS);
    assertEquals(callback.getPages().size(), 0);
    assertEquals(callback.getCompletedRequests(), 1);
    assertEquals(callback.getFinishedBuffers(), 0);
    assertEquals(callback.getFailedBuffers(), 0);
    assertStatus(client, location, "queued", 0, 1, 1, 1, "not scheduled");
    // advance time forward, but not enough to fail the client
    tickerIncrement.set(new Duration(30, TimeUnit.SECONDS));
    // verify that the client has not failed
    client.scheduleRequest();
    requestComplete.await(10, TimeUnit.SECONDS);
    assertEquals(callback.getPages().size(), 0);
    assertEquals(callback.getCompletedRequests(), 2);
    assertEquals(callback.getFinishedBuffers(), 0);
    assertEquals(callback.getFailedBuffers(), 0);
    assertStatus(client, location, "queued", 0, 2, 2, 2, "not scheduled");
    // advance time forward beyond the minimum error duration
    tickerIncrement.set(new Duration(31, TimeUnit.SECONDS));
    // verify that the client has failed
    client.scheduleRequest();
    requestComplete.await(10, TimeUnit.SECONDS);
    assertEquals(callback.getPages().size(), 0);
    assertEquals(callback.getCompletedRequests(), 3);
    assertEquals(callback.getFinishedBuffers(), 0);
    assertEquals(callback.getFailedBuffers(), 1);
    assertInstanceOf(callback.getFailure(), PageTransportTimeoutException.class);
    assertContains(callback.getFailure().getMessage(), WORKER_NODE_ERROR + " (http://localhost:8080/0 - 3 failures, time since last success 61.00s)");
    assertStatus(client, location, "queued", 0, 3, 3, 3, "not scheduled");
}