ChengbingLiu opened a new pull request, #4296: URL: https://github.com/apache/flink-cdc/pull/4296
Fix https://issues.apache.org/jira/browse/FLINK-39197 We encountered the following problem when using MySQL pipeline connector: ``` Caused by: org.apache.flink.util.FlinkRuntimeException: Chunk splitting has encountered exception at org.apache.flink.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.checkSplitterErrors(MySqlSnapshotSplitAssigner.java:698) at org.apache.flink.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.getNext(MySqlSnapshotSplitAssigner.java:398) at org.apache.flink.cdc.connectors.mysql.source.assigners.MySqlHybridSplitAssigner.getNext(MySqlHybridSplitAssigner.java:151) at org.apache.flink.cdc.connectors.mysql.source.enumerator.MySqlSourceEnumerator.assignSplits(MySqlSourceEnumerator.java:223) at org.apache.flink.cdc.connectors.mysql.source.enumerator.MySqlSourceEnumerator.handleSplitRequest(MySqlSourceEnumerator.java:117) at org.apache.flink.runtime.source.coordinator.SourceCoordinator.handleRequestSplitEvent(SourceCoordinator.java:568) at org.apache.flink.runtime.source.coordinator.SourceCoordinator.lambda$handleEventFromOperator$3(SourceCoordinator.java:295) at org.apache.flink.runtime.source.coordinator.SourceCoordinator.lambda$runInEventLoop$10(SourceCoordinator.java:469) ... 8 more Caused by: java.lang.IllegalStateException: Error when splitting chunks for db1.table1 at org.apache.flink.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.splitTable(MySqlSnapshotSplitAssigner.java:359) at org.apache.flink.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.splitChunksForRemainingTables(MySqlSnapshotSplitAssigner.java:676) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 more Caused by: java.lang.NullPointerException at org.apache.flink.cdc.connectors.mysql.source.utils.ObjectUtils.compare(ObjectUtils.java:88) at org.apache.flink.cdc.connectors.mysql.source.assigners.MySqlChunkSplitter.nextChunkEnd(MySqlChunkSplitter.java:360) at org.apache.flink.cdc.connectors.mysql.source.assigners.MySqlChunkSplitter.splitOneUnevenlySizedChunk(MySqlChunkSplitter.java:176) at org.apache.flink.cdc.connectors.mysql.source.assigners.MySqlChunkSplitter.splitChunks(MySqlChunkSplitter.java:138) at org.apache.flink.cdc.connectors.mysql.source.assigners.MySqlSnapshotSplitAssigner.splitTable(MySqlSnapshotSplitAssigner.java:357) ... 6 more ``` This should be because max values are removed resulting in chunkEnd == null, as mentioned in // chunk end might be null when max values are removed Object chunkEnd = queryNextChunkMax(jdbc, tableId, splitColumn, chunkSize, previousChunkEnd); -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
