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[ISSUE #116]fix: added queue's some messages may can not be consumed caused by offset init. #117

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[ISSUE #116]fix: added queue's some messages may can not be consumed caused by offset init. #117

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10 changes: 6 additions & 4 deletions src/main/java/org/apache/flink/connector/rocketmq/legacy/RocketMQSourceFunction.java
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Original file line number Diff line number Diff line change
Expand Up @@ -243,7 +243,7 @@ public void open(Configuration parameters) throws Exception {
if (restored) {
initOffsetTableFromRestoredOffsets(messageQueues);
} else {
initOffsets(messageQueues);
initOffsets(messageQueues, false);
}
}

Expand Down Expand Up @@ -370,10 +370,12 @@ private void awaitTermination() throws InterruptedException {
* @param messageQueues
* @throws MQClientException
*/
private void initOffsets(List<MessageQueue> messageQueues) throws MQClientException {
private void initOffsets(List<MessageQueue> messageQueues, boolean added) throws MQClientException {
StartupMode startupMode = startMode;
if(added) startupMode = StartupMode.EARLIEST;
for (MessageQueue mq : messageQueues) {
long offset;
switch (startMode) {
switch (startupMode) {
case LATEST:
consumer.seekToEnd(mq);
offset = consumer.committed(mq);
Expand Down Expand Up @@ -554,7 +556,7 @@ public void initOffsetTableFromRestoredOffsets(List<MessageQueue> messageQueues)
}
if (extMessageQueue.size() != 0) {
log.info("no restoredOffsets for {}, so init offset for these queues", extMessageQueue);
initOffsets(extMessageQueue);
initOffsets(extMessageQueue, true);
}
log.info("init offset table [{}] from restoredOffsets successful.", offsetTable);
}
Expand Down