Re: Flink can't initialize operator state backend when starting from checkpoint

2018-09-21 Thread Marvin777
Hi, I do not use custom serializers, and my job contains only source and sink(BucketingSink). What causes this phenomenon in general? I suggest that you also update to a newer version, at least the latest > bugfix release Which version does this sentence refer to? And could you please help l

Re: Flink can't initialize operator state backend when starting from checkpoint

2018-09-21 Thread Stefan Richter
Hi, that is correct. If you are using custom serializers you should double check their correctness, maybe using our test base for type serializers. Another reason could be that you modified the job in a way that silently changed the schema somehow. Concurrent use of serializers across different

Re: Flink can't initialize operator state backend when starting from checkpoint

2018-09-21 Thread vino yang
Hi Qingxiang, Several days ago, Stefan described the causes of this anomaly in a problem similar to this: Typically, these problems have been observed when something was wrong with a serializer or a stateful serializer was used from multiple threads. Thanks, vino. Marvin777 于2018年9月21日周五 下午3:20