wangxianghu created HUDI-1543:
---------------------------------
Summary: Fix HoodieFlinkStreamer NPE after HUDI-1511 merged
Key: HUDI-1543
URL: https://issues.apache.org/jira/browse/HUDI-1543
Project: Apache Hudi
Issue Type: Bug
Reporter: wangxianghu
Assignee: wangxianghu
```
java.lang.NullPointerException: Keyed state can only be used on a 'keyed
stream', i.e., after a 'keyBy()' operation.
at org.apache.flink.util.Preconditions.checkNotNull(Preconditions.java:75)
at
org.apache.flink.streaming.api.operators.StreamingRuntimeContext.checkPreconditionsAndGetKeyedStateStore(StreamingRuntimeContext.java:223)
at
org.apache.flink.streaming.api.operators.StreamingRuntimeContext.getMapState(StreamingRuntimeContext.java:216)
at
org.apache.hudi.index.state.FlinkInMemoryStateIndex.<init>(FlinkInMemoryStateIndex.java:58)
at
org.apache.hudi.index.FlinkHoodieIndex.createIndex(FlinkHoodieIndex.java:61)
at
org.apache.hudi.client.HoodieFlinkWriteClient.createIndex(HoodieFlinkWriteClient.java:75)
at
org.apache.hudi.client.AbstractHoodieWriteClient.<init>(AbstractHoodieWriteClient.java:136)
at
org.apache.hudi.client.AbstractHoodieWriteClient.<init>(AbstractHoodieWriteClient.java:120)
at
org.apache.hudi.client.HoodieFlinkWriteClient.<init>(HoodieFlinkWriteClient.java:62)
at
org.apache.hudi.operator.InstantGenerateOperator.open(InstantGenerateOperator.java:115)
at
org.apache.flink.streaming.runtime.tasks.OperatorChain.initializeStateAndOpenOperators(OperatorChain.java:291)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$beforeInvoke$0(StreamTask.java:479)
at
org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.runThrowing(StreamTaskActionExecutor.java:47)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.beforeInvoke(StreamTask.java:475)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:528)
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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