JNSimba opened a new issue #6164:
URL: https://github.com/apache/incubator-doris/issues/6164
**Describe the bug**
When using flink-connector to write data to doris, when the data is null,
throw NullPointerException
Error：
```
Caused by: java.lang.NullPointerException
at
org.apache.doris.flink.table.DorisDynamicOutputFormat.addBatch(DorisDynamicOutputFormat.java:121)
at
org.apache.doris.flink.table.DorisDynamicOutputFormat.writeRecord(DorisDynamicOutputFormat.java:111)
at
org.apache.doris.flink.table.DorisDynamicOutputFormat.writeRecord(DorisDynamicOutputFormat.java:47)
at
org.apache.flink.streaming.api.functions.sink.OutputFormatSinkFunction.invoke(OutputFormatSinkFunction.java:87)
at
org.apache.flink.streaming.api.functions.sink.SinkFunction.invoke(SinkFunction.java:52)
at
org.apache.flink.table.runtime.operators.sink.SinkOperator.processElement(SinkOperator.java:86)
at
org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:717)
at
org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:692)
at
org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:672)
at
org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:52)
at
org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:30)
at StreamExecCalc$6.processElement(Unknown Source)
at
org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:717)
at
org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:692)
at
org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:672)
at
org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:52)
at
org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:30)
at
org.apache.flink.streaming.api.operators.TimestampedCollector.collect(TimestampedCollector.java:53)
at
org.apache.flink.table.runtime.operators.join.stream.StreamingJoinOperator.output(StreamingJoinOperator.java:305)
at
org.apache.flink.table.runtime.operators.join.stream.StreamingJoinOperator.processElement(StreamingJoinOperator.java:254)
at
org.apache.flink.table.runtime.operators.join.stream.StreamingJoinOperator.processElement2(StreamingJoinOperator.java:120)
at
org.apache.flink.streaming.runtime.io.StreamTwoInputProcessor.processRecord2(StreamTwoInputProcessor.java:142)
at
org.apache.flink.streaming.runtime.io.StreamTwoInputProcessor.lambda$new$1(StreamTwoInputProcessor.java:105)
at
org.apache.flink.streaming.runtime.io.StreamTwoInputProcessor$StreamTaskNetworkOutput.emitRecord(StreamTwoInputProcessor.java:364)
at
org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.processElement(StreamTaskNetworkInput.java:178)
at
org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.emitNext(StreamTaskNetworkInput.java:153)
at
org.apache.flink.streaming.runtime.io.StreamTwoInputProcessor.processInput(StreamTwoInputProcessor.java:182)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:351)
at
org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxStep(MailboxProcessor.java:191)
at
org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:181)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:566)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:536)
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:721)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:546)
at java.lang.Thread.run(Thread.java:748)
```
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