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Andrey, could you take a look at this?

Piotrek

> On 7 Dec 2018, at 12:28, Ben Yan <yan.xiao.bin.m...@gmail.com> wrote:
> 
> Yes. Previous versions never happened
> 
> Piotr Nowojski <pi...@data-artisans.com <mailto:pi...@data-artisans.com>> 
> 于2018年12月7日周五 下午7:27写道:
> Hey,
> 
> Do you mean that the problem started occurring only after upgrading to Flink 
> 1.7.0?
> 
> Piotrek
> 
>> On 7 Dec 2018, at 11:28, Ben Yan <yan.xiao.bin.m...@gmail.com 
>> <mailto:yan.xiao.bin.m...@gmail.com>> wrote:
>> 
>> hi . I am using flink-1.7.0. I am using RockDB and hdfs as statebackend, but 
>> recently I found the following exception when the job resumed from the 
>> checkpoint. Task-local state is always considered a secondary copy, the 
>> ground truth of the checkpoint state is the primary copy in the distributed 
>> store. But it seems that the job did not recover from hdfs, and it failed 
>> directly.Hope someone can give me advices or hints about the problem that I 
>> encountered.
>> 
>> 
>> 2018-12-06 22:54:04,171 INFO  
>> org.apache.flink.runtime.executiongraph.ExecutionGraph        - KeyedProcess 
>> (3/138) (5d96a585130f7a21f22f82f79941fb1d) switched from RUNNING to FAILED.
>> java.lang.Exception: Exception while creating StreamOperatorStateContext.
>>      at 
>> org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.streamOperatorStateContext(StreamTaskStateInitializerImpl.java:195)
>>      at 
>> org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:250)
>>      at 
>> org.apache.flink.streaming.runtime.tasks.StreamTask.initializeState(StreamTask.java:738)
>>      at 
>> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:289)
>>      at org.apache.flink.runtime.taskmanager.Task.run(Task.java:704)
>>      at java.lang.Thread.run(Thread.java:748)
>> Caused by: org.apache.flink.util.FlinkException: Could not restore keyed 
>> state backend for 
>> KeyedProcessOperator_e528d5d97ea2d7cefbcf6ff5b46354d5_(3/138) from any of 
>> the 1 provided restore options.
>>      at 
>> org.apache.flink.streaming.api.operators.BackendRestorerProcedure.createAndRestore(BackendRestorerProcedure.java:137)
>>      at 
>> org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.keyedStatedBackend(StreamTaskStateInitializerImpl.java:284)
>>      at 
>> org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.streamOperatorStateContext(StreamTaskStateInitializerImpl.java:135)
>>      ... 5 more
>> Caused by: java.nio.file.NoSuchFileException: 
>> /mnt/yarn/local/usercache/yarn/appcache/application_1544101169829_0004/flink-io-0115e9d6-a816-4b65-8944-1423f0fdae58/job_6e40c9381aa12f69b6ac182c91d993f5_op_KeyedProcessOperator_e528d5d97ea2d7cefbcf6ff5b46354d5__3_138__uuid_1c6a5a11-caaf-4564-b3d0-9c7dadddc390/db/000495.sst
>>  -> 
>> /mnt/yarn/local/usercache/yarn/appcache/application_1544101169829_0004/flink-io-0115e9d6-a816-4b65-8944-1423f0fdae58/job_6e40c9381aa12f69b6ac182c91d993f5_op_KeyedProcessOperator_e528d5d97ea2d7cefbcf6ff5b46354d5__3_138__uuid_1c6a5a11-caaf-4564-b3d0-9c7dadddc390/5683a26f-cde2-406d-b4cf-3c6c3976f8ba/000495.sst
>>      at 
>> sun.nio.fs.UnixException.translateToIOException(UnixException.java:86)
>>      at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
>>      at 
>> sun.nio.fs.UnixFileSystemProvider.createLink(UnixFileSystemProvider.java:476)
>>      at java.nio.file.Files.createLink(Files.java:1086)
>>      at 
>> org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend$RocksDBIncrementalRestoreOperation.restoreInstanceDirectoryFromPath(RocksDBKeyedStateBackend.java:1238)
>>      at 
>> org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend$RocksDBIncrementalRestoreOperation.restoreLocalStateIntoFullInstance(RocksDBKeyedStateBackend.java:1186)
>>      at 
>> org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend$RocksDBIncrementalRestoreOperation.restoreWithoutRescaling(RocksDBKeyedStateBackend.java:916)
>>      at 
>> org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend$RocksDBIncrementalRestoreOperation.restore(RocksDBKeyedStateBackend.java:864)
>>      at 
>> org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend.restore(RocksDBKeyedStateBackend.java:525)
>>      at 
>> org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend.restore(RocksDBKeyedStateBackend.java:147)
>>      at 
>> org.apache.flink.streaming.api.operators.BackendRestorerProcedure.attemptCreateAndRestore(BackendRestorerProcedure.java:151)
>>      at 
>> org.apache.flink.streaming.api.operators.BackendRestorerProcedure.createAndRestore(BackendRestorerProcedure.java:123)
>>      ... 7 more
>> 
>> Best
>> Ben
> 

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