gaoran10 commented on a change in pull request #14709:
URL: https://github.com/apache/pulsar/pull/14709#discussion_r828697952
##########
File path:
pulsar-broker/src/test/java/org/apache/pulsar/broker/transaction/TopicTransactionBufferRecoverTest.java
##########
@@ -442,4 +450,47 @@ private void checkSnapshotCount(TopicName topicName,
boolean hasSnapshot,
reader.close();
}
+
+ @Test
+ public void testTransactionBufferRecoverThrowBrokerMetadataException()
throws Exception {
+ String topic = NAMESPACE1 +
"/testTransactionBufferRecoverThrowBrokerMetadataException";
+ @Cleanup
+ Producer<byte[]> producer = pulsarClient
+ .newProducer()
+ .topic(topic)
+ .sendTimeout(0, TimeUnit.SECONDS)
+ .create();
+
+ Transaction txn = pulsarClient.newTransaction()
+ .withTransactionTimeout(5, TimeUnit.SECONDS)
+ .build().get();
+
+ producer.newMessage(txn).value("test".getBytes()).sendAsync();
+ producer.newMessage(txn).value("test".getBytes()).sendAsync();
+ txn.commit().get();
+
+ // take snapshot
+ PersistentTopic originalTopic = (PersistentTopic)
getPulsarServiceList().get(0)
+ .getBrokerService().getTopic(TopicName.get(topic).toString(),
false).get().get();
+ TransactionBufferSnapshotService transactionBufferSnapshotService =
+ mock(TransactionBufferSnapshotService.class);
+ SystemTopicClient.Reader<TransactionBufferSnapshot> reader =
mock(SystemTopicClient.Reader.class);
+ // mock reader can't read snapshot fail
+ doThrow(new
PulsarClientException.BrokerMetadataException("")).when(reader).hasMoreEvents();
+
doReturn(CompletableFuture.completedFuture(reader)).when(transactionBufferSnapshotService).createReader(any());
+
+ Field field =
PulsarService.class.getDeclaredField("transactionBufferSnapshotService");
+ field.setAccessible(true);
+ field.set(getPulsarServiceList().get(0),
transactionBufferSnapshotService);
+
+ // recover again will throw BrokerMetadataException then close topic
+ new TopicTransactionBuffer(originalTopic);
+ Awaitility.await().untilAsserted(() -> {
+ // isFenced means closed
+ Field close = AbstractTopic.class.getDeclaredField("isFenced");
+ close.setAccessible(true);
+ assertTrue((boolean) close.get(originalTopic));
+ });
Review comment:
Could we send a transaction message at last? It could make sure the
topic could recover successfully.
##########
File path:
pulsar-broker/src/main/java/org/apache/pulsar/broker/transaction/buffer/impl/TopicTransactionBuffer.java
##########
@@ -179,6 +179,9 @@ public void handleTxnEntry(Entry entry) {
@Override
public void recoverExceptionally(Exception e) {
+ if (e instanceof
PulsarClientException.BrokerMetadataException) {
Review comment:
Other exceptions don't need to close the topic, right?
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