Package org.apache.hadoop.test.GenericTestUtils

Examples of org.apache.hadoop.test.GenericTestUtils.DelayAnswer.proceed()

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      cluster.transitionToStandby(0);
      cluster.transitionToActive(1);
     
      // Let the commitBlockSynchronization call go through, and check that
      // it failed with the correct exception.
      delayer.proceed();
      delayer.waitForResult();
      Throwable t = delayer.getThrown();
      if (t == null) {
        fail("commitBlockSynchronization call did not fail on standby");
      }
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    }

    cluster.transitionToStandby(0);
    cluster.transitionToActive(1);
   
    delayer.proceed();
    brFinished.await();
   
    // Verify that no replicas are marked corrupt, and that the
    // file is readable from the failed-over standby.
    BlockManagerTestUtil.updateState(nn1.getNamesystem().getBlockManager());
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    // Perform some edits and wait for a checkpoint to start on the SBN.
    doEdits(0, 1000);
    nn0.getRpcServer().rollEditLog();
    answerer.waitForCall();
    answerer.proceed();
    assertTrue("SBN is not performing checkpoint but it should be.",
        answerer.getFireCount() == 1 && answerer.getResultCount() == 0);
   
    // Make sure that the lock has actually been taken by the checkpointing
    // thread.
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        // give the cancel call time to run
        Thread.sleep(500);
       
        // allow saveNamespace to proceed - it should check the cancel flag after
        // this point and throw an exception
        delayer.proceed();

        cancelFuture.get();
        saverFuture.get();
        fail("saveNamespace did not fail even though cancelled!");
      } catch (Throwable t) {
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      if (!(ee.getCause() instanceof LoggerTooFarBehindException)) {
        throw ee;
      }
    }
   
    delayer.proceed();

    // After we allow it to proceeed, it should chug through the original queue
    GenericTestUtils.waitFor(new Supplier<Boolean>() {
      @Override
      public Boolean get() {
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      // Now make the second checkpointer run an entire checkpoint
      secondary2.doCheckpoint();
     
      // Let the first one finish
      delayer.proceed();
     
      // It should have succeeded even though another checkpoint raced with it.
      checkpointThread.join();
      checkpointThread.propagateExceptions();
     
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      // NN should have now received fsimage_4
      NNStorage storage = cluster.getNameNode().getFSImage().getStorage();
      assertEquals(4, storage.getMostRecentCheckpointTxId());
     
      // Let the first one finish
      delayer.proceed();
     
      // Letting the first node continue, it should try to upload the
      // same image, and gracefully ignore it, while logging an
      // error message.
      checkpointThread.join();
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      IOUtils.closeStream(out);
    }

    // Now that the stream is closed, the NN will have the block in COMPLETE
    // state.
    delayer.proceed();
    brFinished.await();
   
    // Verify that no replicas are marked corrupt, and that the
    // file is still readable.
    BlockManagerTestUtil.updateState(nn.getNamesystem().getBlockManager());
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      // Now make the second checkpointer run an entire checkpoint
      secondary2.doCheckpoint();
     
      // Let the first one finish
      delayer.proceed();
     
      // It should have succeeded even though another checkpoint raced with it.
      checkpointThread.join();
      checkpointThread.propagateExceptions();
     
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      // NN should have now received fsimage_4
      NNStorage storage = cluster.getNameNode().getFSImage().getStorage();
      assertEquals(4, storage.getMostRecentCheckpointTxId());
     
      // Let the first one finish
      delayer.proceed();
     
      // Letting the first node continue, it should try to upload the
      // same image, and gracefully ignore it, while logging an
      // error message.
      checkpointThread.join();
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