实际有 20 左右个字段，用到的 UDF 有 COALESCE / CAST / JSON_PATH / TIMESTAMP 类 *是指 UDF 返回了 NULL 导致的吗？*
On Fri, Jul 17, 2020 at 2:54 PM godfrey he <[email protected]> wrote: > 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 > > >
