hailin0 commented on code in PR #5904:
URL: https://github.com/apache/seatunnel/pull/5904#discussion_r1404874140
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seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/source/JdbcSourceReader.java:
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@@ -60,25 +60,23 @@ public void close() throws IOException {
@Override
@SuppressWarnings("magicnumber")
public void pollNext(Collector<SeaTunnelRow> output) throws Exception {
- synchronized (output.getCheckpointLock()) {
Review Comment:
The `snapshotState` method and `pollNext` work together to operate splits.
Removing the lock will cause the split to be lost.
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