[ https://issues.apache.org/jira/browse/FLINK-32394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Danny Cranmer updated FLINK-32394: ---------------------------------- Description: The Init.pos is partially stored in connector state which can lead to inconsistencies further down the line in idle streams. In particularly an issue arises when the init.pos is AT_TIMESTAMP, and the init.pos is later changed to TRIM_HORIZON. The issue is that AT_TIMESTAMP is stored in the connector state but the timestamp itself isn't stored in the state. If a stream is idle and the init.pos is changed to TRIM_HORIZON then the connector attempts to read from AT_TIMSTAMP (due to it being stored in state) attempting to get the timestamp from the properties however it is no longer there as the init.pos property is not TRIM_HORIZON. Sample error {code:java} java.lang.IllegalArgumentException: java.lang.NullPointerException at org.apache.flink.streaming.connectors.kinesis.util.KinesisConfigUtil.parseStreamTimestampStartingPosition(KinesisConfigUtil.java:579) at org.apache.flink.streaming.connectors.kinesis.util.AWSUtil.getStartingPosition(AWSUtil.java:325) at org.apache.flink.streaming.connectors.kinesis.internals.KinesisDataFetcher.createRecordPublisher(KinesisDataFetcher.java:495) at org.apache.flink.streaming.connectors.kinesis.internals.KinesisDataFetcher.createShardConsumer(KinesisDataFetcher.java:465) at org.apache.flink.streaming.connectors.kinesis.internals.KinesisDataFetcher.runFetcher(KinesisDataFetcher.java:592) at org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer.run(FlinkKinesisConsumer.java:392) at org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:110) at org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:66) at org.apache.flink.streaming.runtime.tasks.SourceStreamTask$LegacySourceFunctionThread.run(SourceStreamTask.java:269) Caused by: java.lang.NullPointerException at java.base/java.text.SimpleDateFormat.parse(SimpleDateFormat.java:1470) at java.base/java.text.DateFormat.parse(DateFormat.java:393) at org.apache.flink.streaming.connectors.kinesis.util.KinesisConfigUtil.parseStreamTimestampStartingPosition(KinesisConfigUtil.java:577) ... 8 more {code} was: The Init.pos is partially stored in connector state which can lead to inconsistencies further down the line in idle streams. In particularly an issue arises when the init.pos is AT_TIMESTAMP, and the init.pos is later changed to TRIM_HORIZON. The issue is that AT_TIMESTAMP is stored in the connector state but the timestamp itself isn't stored in the state. If a stream is idle and the init.pos is changed to TRIM_HORIZON then the connector attempts to read from AT_TIMSTAMP (due to it being stored in state) attempting to get the timestamp from the properties however it is no longer there as the init.pos property is not TRIM_HORIZON. > Init.pos is partially stored in connector state > ----------------------------------------------- > > Key: FLINK-32394 > URL: https://issues.apache.org/jira/browse/FLINK-32394 > Project: Flink > Issue Type: Bug > Components: Connectors / Kinesis > Affects Versions: 1.17.1 > Reporter: Usamah Jassat > Priority: Minor > > The Init.pos is partially stored in connector state which can lead to > inconsistencies further down the line in idle streams. In particularly an > issue arises when the init.pos is AT_TIMESTAMP, and the init.pos is later > changed to TRIM_HORIZON. > The issue is that AT_TIMESTAMP is stored in the connector state but the > timestamp itself isn't stored in the state. If a stream is idle and the > init.pos is changed to TRIM_HORIZON then the connector attempts to read from > AT_TIMSTAMP (due to it being stored in state) attempting to get the timestamp > from the properties however it is no longer there as the init.pos property is > not TRIM_HORIZON. > Sample error > > {code:java} > java.lang.IllegalArgumentException: java.lang.NullPointerException > at > org.apache.flink.streaming.connectors.kinesis.util.KinesisConfigUtil.parseStreamTimestampStartingPosition(KinesisConfigUtil.java:579) > at > org.apache.flink.streaming.connectors.kinesis.util.AWSUtil.getStartingPosition(AWSUtil.java:325) > at > org.apache.flink.streaming.connectors.kinesis.internals.KinesisDataFetcher.createRecordPublisher(KinesisDataFetcher.java:495) > at > org.apache.flink.streaming.connectors.kinesis.internals.KinesisDataFetcher.createShardConsumer(KinesisDataFetcher.java:465) > at > org.apache.flink.streaming.connectors.kinesis.internals.KinesisDataFetcher.runFetcher(KinesisDataFetcher.java:592) > at > org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer.run(FlinkKinesisConsumer.java:392) > at > org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:110) > at > org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:66) > at > org.apache.flink.streaming.runtime.tasks.SourceStreamTask$LegacySourceFunctionThread.run(SourceStreamTask.java:269) > Caused by: java.lang.NullPointerException > at java.base/java.text.SimpleDateFormat.parse(SimpleDateFormat.java:1470) > at java.base/java.text.DateFormat.parse(DateFormat.java:393) > at > org.apache.flink.streaming.connectors.kinesis.util.KinesisConfigUtil.parseStreamTimestampStartingPosition(KinesisConfigUtil.java:577) > ... 8 more > {code} -- This message was sent by Atlassian Jira (v8.20.10#820010)