[FLINK-8628] BucketingSink does not work with S3

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Not A Problem
• Affects Version/s: 1.4.0
• Component/s: FileSystems
• Assignee: Aljoscha Krettek
• Reporter: dejan miljkovic
• Created: 09/Feb/18 19:22
• Updated: 28/Feb/19 10:45
• Resolved: 26/Feb/18 08:44

Description

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=[e-mail]%3E

https://lists.apache.org/thread.html/%3CCADAFrT9T6WQa25HXR1z1NaL=n8wP9s7aSXxZWxHy=[e-mail]%3E

http://mail-archives.apache.org/mod_mbox/flink-user/201801.mbox/%3CCADAFrT-i+vGe64e__=[e-mail]%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