udf_xxx的逻辑是啥?

Luan Cooper <[email protected]> 于2020年7月17日周五 下午2:40写道:

> Hi
>
> 我有这么一个 SQL
> INSERT INTO es
> SELECT
> a,
> udf_xxx(b)
> FROM mongo_oplog -- 自定义 TableFactory
>
> Job 提交后 fail 了,从 Job 提交到 Fail 只有一处来自非业务代码的 NPE 如下,没有任何业务代码 Exception,可以稳定重现
>
> LUE _UTF-16LE'v2'))) AS return_received_time]) (1/1)
> (bdf9b131f82a8ebc440165b82b89e570) switched from RUNNING to FAILED.
>
> java.lang.NullPointerException
>
> at StreamExecCalc$8016.split$7938$(Unknown Source)
>
> at StreamExecCalc$8016.processElement(Unknown Source)
>
> at
>
> org.apache.flink.streaming.runtime.tasks.OneInputStreamTask$StreamTaskNetworkOutput.emitRecord(OneInputStreamTask.java:173)
>
> at
> org.apache.flink.streaming.runtime.io
> .StreamTaskNetworkInput.processElement(StreamTaskNetworkInput.java:151)
>
> at
> org.apache.flink.streaming.runtime.io
> .StreamTaskNetworkInput.emitNext(StreamTaskNetworkInput.java:128)
>
> at
> org.apache.flink.streaming.runtime.io
> .StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:69)
>
> at
>
> org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:311)
>
> at
>
> org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:187)
>
> at
>
> org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:487)
>
> at
>
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:470)
>
> at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:707)
>
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:532)
>
> at java.lang.Thread.run(Thread.java:748)
>
> 请问这种怎样情况排查问题?
> 有任何线索都可以
>
> 感谢
>

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