Note:
This topic has been translated from a Chinese forum by GPT and might contain errors.Original topic: flink 处理tidb数据 启动时经常出现空指针异常

After starting the task, this error often occurs:
or
But after a while, it gets better.
Note:
This topic has been translated from a Chinese forum by GPT and might contain errors.Original topic: flink 处理tidb数据 启动时经常出现空指针异常
After starting the task, this error often occurs:
From the error message, it seems to be caused by an incompatible State Serializer.