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fixed issue #756 , improve exception logger

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七锋
2018-07-17 22:15:42 +08:00
parent 33a2a6121a
commit df8fe4a9eb
2 changed files with 39 additions and 7 deletions
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41
parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/MysqlMultiStageCoprocessor.java
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@@ -18,7 +18,7 @@ import com.lmax.disruptor.BatchEventProcessor;
import com.lmax.disruptor.BlockingWaitStrategy;
import com.lmax.disruptor.EventFactory;
import com.lmax.disruptor.EventHandler;
import com.lmax.disruptor.FatalExceptionHandler;
import com.lmax.disruptor.ExceptionHandler;
import com.lmax.disruptor.LifecycleAware;
import com.lmax.disruptor.RingBuffer;
import com.lmax.disruptor.Sequence;
@@ -85,11 +85,12 @@ public class MysqlMultiStageCoprocessor extends AbstractCanalLifeCycle implement
this.stageExecutor = Executors.newFixedThreadPool(2, new NamedThreadFactory("MultiStageCoprocessor-other-"
+ destination));
SequenceBarrier sequenceBarrier = disruptorMsgBuffer.newBarrier();
ExceptionHandler exceptionHandler = new SimpleFatalExceptionHandler();
// stage 2
BatchEventProcessor<MessageEvent> simpleParserStage = new BatchEventProcessor<MessageEvent>(disruptorMsgBuffer,
sequenceBarrier,
new SimpleParserStage());
simpleParserStage.setExceptionHandler(exceptionHandler);
disruptorMsgBuffer.addGatingSequences(simpleParserStage.getSequence());
// stage 3
@@ -100,7 +101,7 @@ public class MysqlMultiStageCoprocessor extends AbstractCanalLifeCycle implement
}
WorkerPool<MessageEvent> workerPool = new WorkerPool<MessageEvent>(disruptorMsgBuffer,
dmlParserSequenceBarrier,
new FatalExceptionHandler(),
exceptionHandler,
workHandlers);
Sequence[] sequence = workerPool.getWorkerSequences();
disruptorMsgBuffer.addGatingSequences(sequence);
@@ -110,6 +111,7 @@ public class MysqlMultiStageCoprocessor extends AbstractCanalLifeCycle implement
BatchEventProcessor<MessageEvent> sinkStoreStage = new BatchEventProcessor<MessageEvent>(disruptorMsgBuffer,
sinkSequenceBarrier,
new SinkStoreStage());
sinkStoreStage.setExceptionHandler(exceptionHandler);
disruptorMsgBuffer.addGatingSequences(sinkStoreStage.getSequence());
// start work
@@ -161,7 +163,10 @@ public class MysqlMultiStageCoprocessor extends AbstractCanalLifeCycle implement
@Override
public void reset() {
stop();
if (isStart()) {
stop();
}
start();
}
@@ -231,7 +236,9 @@ public class MysqlMultiStageCoprocessor extends AbstractCanalLifeCycle implement
@Override
public void onShutdown() {
stop();
if (isStart()) {
stop();
}
}
}
@@ -267,7 +274,9 @@ public class MysqlMultiStageCoprocessor extends AbstractCanalLifeCycle implement
@Override
public void onShutdown() {
stop();
if (isStart()) {
stop();
}
}
}
@@ -306,7 +315,9 @@ public class MysqlMultiStageCoprocessor extends AbstractCanalLifeCycle implement
@Override
public void onShutdown() {
stop();
if (isStart()) {
stop();
}
}
}
@@ -369,6 +380,22 @@ public class MysqlMultiStageCoprocessor extends AbstractCanalLifeCycle implement
}
class SimpleFatalExceptionHandler implements ExceptionHandler {
@Override
public void handleEventException(final Throwable ex, final long sequence, final Object event) {
throw new RuntimeException(ex);
}
@Override
public void handleOnStartException(final Throwable ex) {
}
@Override
public void handleOnShutdownException(final Throwable ex) {
}
}
class MessageEventFactory implements EventFactory<MessageEvent> {
public MessageEvent newInstance() {