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https://issues.apache.org/jira/browse/FLINK-8628?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aljoscha Krettek updated FLINK-8628:
------------------------------------
    Priority: Blocker  (was: Critical)

> BucketingSink does not work with S3
> -----------------------------------
>
>                 Key: FLINK-8628
>                 URL: https://issues.apache.org/jira/browse/FLINK-8628
>             Project: Flink
>          Issue Type: Bug
>          Components: FileSystem, Streaming
>    Affects Versions: 1.4.0
>            Reporter: dejan miljkovic
>            Priority: Blocker
>             Fix For: 1.5.0
>
>
> BucketingSink does not work wit S3. Followed instructions provided on 
> [https://ci.apache.org/projects/flink/flink-docs-release-1.4/ops/deployment/aws.html]
> but got below exception. Several people are complaining on the same issue.
> [http://mail-archives.apache.org/mod_mbox/flink-user/201801.mbox/%3CCADAFrT9T6WQa25HXR1z1NaL=n8wP9s7aSXxZWxHy=hubo93...@mail.gmail.com%3E]
> [https://lists.apache.org/thread.html/%3CCADAFrT9T6WQa25HXR1z1NaL=n8wP9s7aSXxZWxHy=hubo93...@mail.gmail.com%3E]
> [http://mail-archives.apache.org/mod_mbox/flink-user/201801.mbox/%3CCADAFrT-i+vGe64e__=-dnu4pmpxhvyzvkfqzrhgxbeyhnwa...@mail.gmail.com%3E]
> I don't see any specific bug related to this.
>  
> java.lang.RuntimeException: Error while creating FileSystem when initializing 
> the state of the BucketingSink.
>       at 
> org.apache.flink.streaming.connectors.fs.bucketing.BucketingSink.initializeState(BucketingSink.java:358)
>       at 
> org.apache.flink.streaming.util.functions.StreamingFunctionUtils.tryRestoreFunction(StreamingFunctionUtils.java:178)
>       at 
> org.apache.flink.streaming.util.functions.StreamingFunctionUtils.restoreFunctionState(StreamingFunctionUtils.java:160)
>       at 
> org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.initializeState(AbstractUdfStreamOperator.java:96)
>       at 
> org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:259)
>       at 
> org.apache.flink.streaming.runtime.tasks.StreamTask.initializeOperators(StreamTask.java:694)
>       at 
> org.apache.flink.streaming.runtime.tasks.StreamTask.initializeState(StreamTask.java:682)
>       at 
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:253)
>       at org.apache.flink.runtime.taskmanager.Task.run(Task.java:718)
>       at java.lang.Thread.run(Thread.java:748)
> Caused by: java.io.IOException: Cannot instantiate file system for URI: 
> hdfs://localhost:12345/
>       at 
> org.apache.flink.runtime.fs.hdfs.HadoopFsFactory.create(HadoopFsFactory.java:187)
>       at 
> org.apache.flink.core.fs.FileSystem.getUnguardedFileSystem(FileSystem.java:401)
>       at 
> org.apache.flink.streaming.connectors.fs.bucketing.BucketingSink.createHadoopFileSystem(BucketingSink.java:1154)
>       at 
> org.apache.flink.streaming.connectors.fs.bucketing.BucketingSink.initFileSystem(BucketingSink.java:411)
>       at 
> org.apache.flink.streaming.connectors.fs.bucketing.BucketingSink.initializeState(BucketingSink.java:355)
>       ... 9 more
> Caused by: java.lang.ClassCastException: 
> org.apache.hadoop.ipc.ProtobufRpcEngine cannot be cast to 
> org.apache.hadoop.ipc.RpcEngine
>       at org.apache.hadoop.ipc.RPC.getProtocolEngine(RPC.java:211)
>       at org.apache.hadoop.ipc.RPC.getProtocolProxy(RPC.java:583)
>       at 
> org.apache.hadoop.hdfs.NameNodeProxiesClient.createNonHAProxyWithClientProtocol(NameNodeProxiesClient.java:343)
>       at 
> org.apache.hadoop.hdfs.NameNodeProxiesClient.createProxyWithClientProtocol(NameNodeProxiesClient.java:131)
>       at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:343)
>       at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:287)
>       at 
> org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:156)
>       at 
> org.apache.flink.runtime.fs.hdfs.HadoopFsFactory.create(HadoopFsFactory.java:159)
>       ... 13 more



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