Hi,
The NPE should definitely be fixed. Here’s the filed JIRA for it:
https://issues.apache.org/jira/browse/FLINK-6311.
@Sathi: When building Flink we suggest to avoid 3.3.x+ as you have experienced
yourself, it is subject to incorrect shading of some of the dependencies.
Cheers,
Gordon
On 16 April 2017 at 6:10:18 PM, Ted Yu (yuzhih...@gmail.com) wrote:
Can you describe the transitive dependency issue in more detail (since a lot of
people use 3.3.x) ?
Thanks
On Apr 16, 2017, at 1:56 AM, Sathi Chowdhury <sathi.chowdh...@elliemae.com>
wrote:
Ok finally able to run the job fine ...the culprit was an older version of aws
inside flink kinesis connector jar , also rebuilt flink again from source with
maven 3.25 ,I was on 3.3* and it had weird transitive dependency problems.
On Apr 15, 2017, at 11:13 AM, Sathi Chowdhury <sathi.chowdh...@elliemae.com>
wrote:
I have redone the pipeline with flink-1.3-SNAPSHOT and running on EMR 5.4, the
aws-sdk-java latest libraries directly in flink lib dir.
I have come to the point where I get the java.net.SocketException: Broken pipe
(Write failed). Eager to get a reply and a clue on this!
java.io.IOException: Error sending data back to client
(ip-172-31-42-238/172.31.42.238:42753)
at
org.apache.flink.contrib.streaming.CollectSink.invoke(CollectSink.java:64)
at
org.apache.flink.streaming.api.operators.StreamSink.processElement(StreamSink.java:38)
at
org.apache.flink.streaming.runtime.io.StreamInputProcessor.processInput(StreamInputProcessor.java:208)
at
org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.run(OneInputStreamTask.java:66)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:261)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:679)
at java.lang.Thread.run(Thread.java:745)
Caused by: com.esotericsoftware.kryo.KryoException: java.net.SocketException:
Broken pipe (Write failed)
at com.esotericsoftware.kryo.io.Output.flush(Output.java:165)
at com.esotericsoftware.kryo.io.Output.require(Output.java:142)
at com.esotericsoftware.kryo.io.Output.writeString_slow(Output.java:444)
at com.esotericsoftware.kryo.io.Output.writeString(Output.java:345)
at
com.esotericsoftware.kryo.serializers.DefaultSerializers$StringSerializer.write(DefaultSerializers.java:173)
at
com.esotericsoftware.kryo.serializers.DefaultSerializers$StringSerializer.write(DefaultSerializers.java:166)
at com.esotericsoftware.kryo.Kryo.writeClassAndObject(Kryo.java:599)
at
com.esotericsoftware.kryo.serializers.MapSerializer.write(MapSerializer.java:95)
at
com.esotericsoftware.kryo.serializers.MapSerializer.write(MapSerializer.java:21)
at com.esotericsoftware.kryo.Kryo.writeClassAndObject(Kryo.java:599)
at
org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.serialize(KryoSerializer.java:202)
at
org.apache.flink.contrib.streaming.CollectSink.invoke(CollectSink.java:61)
... 6 more
Caused by: java.net.SocketException: Broken pipe (Write failed)
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:111)
at java.net.SocketOutputStream.write(SocketOutputStream.java:155)
at java.io.DataOutputStream.write(DataOutputStream.java:107)
at
org.apache.flink.api.java.typeutils.runtime.DataOutputViewStream.write(DataOutputViewStream.java:41)
at com.esotericsoftware.kryo.io.Output.flush(Output.java:163)
... 17 more
Thanks
From: Sathi Chowdhury <sathi.chowdh...@elliemae.com>
Date: Friday, April 14, 2017 at 1:29 AM
To: "user@flink.apache.org" <user@flink.apache.org>
Subject: Re: Flink errors out and job fails--IOException from CollectSink.open()
I am consistently seeing the same behavior…tried with elevated memory for job
manager and taskmanager
taskmanager.rpc.port: 6123
taskmanager.data.port: 4964
taskmanager.heap.mb: 39000
taskmanager.numberOfTaskSlots: 1
taskmanager.network.numberOfBuffers: 16368
taskmanager.memory.preallocate: false
parallelization.degree.default: 4
even though the jobmanager is restarting the flink job ,but the subtasks once
reach to cancelled state does not revive
I have no clue how to approach this.
Thanks
From: Sathi Chowdhury <sathi.chowdh...@elliemae.com>
Date: Thursday, April 13, 2017 at 9:52 PM
To: Ted Yu <yuzhih...@gmail.com>, "user@flink.apache.org"
<user@flink.apache.org>
Subject: Re: Flink errors out and job fails--IOException from CollectSink.open()
In my jobmanager log I see this exception , probably is the root cause why the
whole job is killed…is there any memory problem in jobmanager ? any clue for
this error below?
I ran the yarn-session
And my flink-conf.yaml is pretty much unmodified
jobmanager.heap.mb: 256
taskmanager.heap.mb: 512
taskmanager.numberOfTaskSlots: 2
taskmanager.memory.preallocate: false
parallelism.default: 1
invoke of yarn-session.sh
HADOOP_CONF_DIR=/etc/hadoop/conf $FLINK_HOME/bin/yarn-session.sh -d -n 2 -s 1
-tm 2048
Thanks
The error in job manager is as below
2017-04-14 04:26:33,570 INFO
org.apache.flink.runtime.executiongraph.ExecutionGraph - Co-Flat Map ->
Sink: Unnamed (1/1) (0c515e082713970381dcd34da87cfcf4) switched from RUNNING to
FAILED.
java.lang.RuntimeException: Could not forward element to next operator
at
org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:425)
at
org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:407)
at
org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:797)
at
org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:775)
at
org.apache.flink.streaming.api.operators.TimestampedCollector.collect(TimestampedCollector.java:51)
at
com.elliemae.stream.StreamerImpl$StreamerCoFlatMapFunction.flatMap2(StreamerImpl.java:253)
at
com.elliemae.stream.StreamerImpl$StreamerCoFlatMapFunction.flatMap2(StreamerImpl.java:234)
at
org.apache.flink.streaming.api.operators.co.CoStreamFlatMap.processElement2(CoStreamFlatMap.java:56)
at
org.apache.flink.streaming.runtime.io.StreamTwoInputProcessor.processInput(StreamTwoInputProcessor.java:213)
at
org.apache.flink.streaming.runtime.tasks.TwoInputStreamTask.run(TwoInputStreamTask.java:87)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:272)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:655)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Error sending data back to client
(ip-172-31-31-172/172.31.31.172:46147)
at
org.apache.flink.contrib.streaming.CollectSink.invoke(CollectSink.java:64)
at
org.apache.flink.streaming.api.operators.StreamSink.processElement(StreamSink.java:38)
at
org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:422)
... 12 more
Caused by: com.esotericsoftware.kryo.KryoException: java.net.SocketException:
Connection reset
at com.esotericsoftware.kryo.io.Output.flush(Output.java:165)
at com.esotericsoftware.kryo.io.Output.require(Output.java:142)
at com.esotericsoftware.kryo.io.Output.writeString_slow(Output.java:444)
at com.esotericsoftware.kryo.io.Output.writeString(Output.java:345)
at
com.esotericsoftware.kryo.serializers.DefaultSerializers$StringSerializer.write(DefaultSerializers.java:173)
at
com.esotericsoftware.kryo.serializers.DefaultSerializers$StringSerializer.write(DefaultSerializers.java:166)
at com.esotericsoftware.kryo.Kryo.writeClassAndObject(Kryo.java:599)
at
com.esotericsoftware.kryo.serializers.MapSerializer.write(MapSerializer.java:95)
at
com.esotericsoftware.kryo.serializers.MapSerializer.write(MapSerializer.java:21)
at com.esotericsoftware.kryo.Kryo.writeClassAndObject(Kryo.java:599)
at
org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.serialize(KryoSerializer.java:203)
at
org.apache.flink.contrib.streaming.CollectSink.invoke(CollectSink.java:61)
... 14 more
Caused by: java.net.SocketException: Connection reset
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:115)
at java.net.SocketOutputStream.write(SocketOutputStream.java:155)
at java.io.DataOutputStream.write(DataOutputStream.java:107)
at
org.apache.flink.api.java.typeutils.runtime.DataOutputViewStream.write(DataOutputViewStream.java:39)
at com.esotericsoftware.kryo.io.Output.flush(Output.java:163)
... 25 more
2017-04-14 04:26:33,572 INFO
org.apache.flink.runtime.executiongraph.ExecutionGraph - Job Flink
Streaming Job (6c9267453a74d0ef58e678351ac0b49c) switched from state RUNNING to
FAILING.
2017-04-14 04:49:10,707 WARN akka.remote.ReliableDeliverySupervisor
- Association with remote system
[akka.tcp://fl...@ip-172-31-31-172.us-west-2.compute.internal:37737] has
failed, address is now gated for [5000] ms. Reason: [Association failed with
[akka.tcp://fl...@ip-172-31-31-172.us-west-2.compute.internal:37737]] Caused
by: [Connection refused:
ip-172-31-31-172.us-west-2.compute.internal/172.31.31.172:37737]
2017-04-14 04:49:10,712 INFO
org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom
Source (1/1) (b9af6dd459e576a669a12b08a830c24e) switched from DEPLOYING to
RUNNING.
2017-04-14 04:49:10,713 INFO
org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom
Source (1/1) (c5fe4b6df26e03f4c2604ec89a92ad8f) switched from DEPLOYING to
RUNNING.
2017-04-14 04:49:10,715 INFO
org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom
Source (1/1) (7f614d51527252cbb9ffcfc0d660fe4e) switched from DEPLOYING to
RUNNING.
2017-04-14 04:49:10,717 INFO
org.apache.flink.runtime.executiongraph.ExecutionGraph - Co-Flat Map
(1/1) (cd1f1ecf9408b4ac58bea6be99e5c89a) switched from DEPLOYING to RUNNING.
2017-04-14 04:49:10,718 INFO
org.apache.flink.runtime.executiongraph.ExecutionGraph - Co-Flat Map ->
Sink: Unnamed (1/1) (82713fda323b6325815b1b228a3d93f8) switched from DEPLOYING
to RUNNING.
2017-04-14 04:49:10,740 INFO
org.apache.flink.runtime.executiongraph.ExecutionGraph - Co-Flat Map ->
Sink: Unnamed (1/1) (82713fda323b6325815b1b228a3d93f8) switched from RUNNING to
FAILED.
java.io.IOException: Cannot connect to the client to send back the stream
at
org.apache.flink.contrib.streaming.CollectSink.open(CollectSink.java:80)
at
org.apache.flink.api.common.functions.util.FunctionUtils.openFunction(FunctionUtils.java:36)
at
org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.open(AbstractUdfStreamOperator.java:112)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.openAllOperators(StreamTask.java:386)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:262)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:655)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at
java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at
java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at
java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at java.net.Socket.connect(Socket.java:538)
at java.net.Socket.<init>(Socket.java:434)
at java.net.Socket.<init>(Socket.java:244)
at
org.apache.flink.contrib.streaming.CollectSink.open(CollectSink.java:75)
... 6 more
From: Ted Yu <yuzhih...@gmail.com>
Date: Thursday, April 13, 2017 at 6:01 PM
To: Sathi Chowdhury <sathi.chowdh...@elliemae.com>
Cc: "user@flink.apache.org" <user@flink.apache.org>
Subject: Re: Flink errors out and job fails--IOException from CollectSink.open()
Here is the line where NPE was thrown:
mainThread.interrupt(); // the main thread may be sleeping for the
discovery interval
I wonder if runFetcher() encountered running being false - otherwise mainThread
should not have been null.
Looks like we should check whether mainThread is null when shutting down.
On Thu, Apr 13, 2017 at 5:46 PM, Sathi Chowdhury <sathi.chowdh...@elliemae.com>
wrote:
The taskmanger log does not point a line in my code ..but it seems like the
error occurs while it is trying to fetch kinesis record inside connector jar
red sequence number 49572261908151269541343187919820576263466496304458235906
2017-04-13 23:28:23,470 INFO
org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer - Subtask 0
is seeding the fetcher with restored shard
KinesisStreamShard{streamName='dev-ingest-kinesis-us-west-2', shard='{ShardId:
shardId-000000000009,HashKeyRange: {StartingHashKey:
306254130228844617117037146688591390310,EndingHashKey:
340282366920938463463374607431768211455},SequenceNumberRange:
{StartingSequenceNumber:
49572254078827945986407789245674345090539511066904232082,}}'}, starting state
set to the restored sequence number LATEST_SEQUENCE_NUM
2017-04-13 23:28:23,471 WARN
org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer - Error
while closing Kinesis data fetcher
java.lang.NullPointerException
at
org.apache.flink.streaming.connectors.kinesis.internals.KinesisDataFetcher.shutdownFetcher(KinesisDataFetcher.java:472)
at
org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer.cancel(FlinkKinesisConsumer.java:246)
at
org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer.close(FlinkKinesisConsumer.java:256)
at
org.apache.flink.api.common.functions.util.FunctionUtils.closeFunction(FunctionUtils.java:43)
at
org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.dispose(AbstractUdfStreamOperator.java:127)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.disposeAllOperators(StreamTask.java:442)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:343)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:655)
at java.lang.Thread.run(Thread.java:745)
2017-04-13 23:28:23,471 WARN
org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer - Error
while closing Kinesis data fetcher
java.lang.NullPointerException
at
org.apache.flink.streaming.connectors.kinesis.internals.KinesisDataFetcher.shutdownFetcher(KinesisDataFetcher.java:472)
at
org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer.cancel(FlinkKinesisConsumer.java:246)
at
org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer.close(FlinkKinesisConsumer.java:256)
at
org.apache.flink.api.common.functions.util.FunctionUtils.closeFunction(FunctionUtils.java:43)
at
org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.dispose(AbstractUdfStreamOperator.java:127)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.disposeAllOperators(StreamTask.java:442)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:343)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:655)
at java.lang.Thread.run(Thread.java:745)
2017-04-13 23:28:23,472 INFO org.apache.flink.runtime.taskmanager.Task
- Source: Custom Source (1/1) (8a7301a437cb2d052208ee42c994104b)
switched from CANCELING to CANCELED.
2017-04-13 23:28:23,471 INFO
org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer - Subtask 0
is seeding the fetcher with restored shard
KinesisStreamShard{streamName='dev-ingest-kinesis-us-west-2', shard='{ShardId:
shardId-000000000006,HashKeyRange: {StartingHashKey:
204169420152563078078024764459060926873,EndingHashKey:
238197656844656924424362225202237748018},SequenceNumberRange:
{StartingSequenceNumber:
49572254078761043750812197376249737935721565982386290786,}}'}, starting state
set to the restored sequence number LATEST_SEQUENCE_NUM
2017-04-13 23:28:23,472 INFO org.apache.flink.runtime.taskmanager.Task
- Freeing task resources for Source: Custom Source (1/1)
(8a7301a437cb2d052208ee42c994104b).
From: Sathi Chowdhury <sathi.chowdh...@elliemae.com>
Date: Thursday, April 13, 2017 at 5:44 PM
To: Ted Yu <yuzhih...@gmail.com>
Cc: "user@flink.apache.org" <user@flink.apache.org>
Subject: Re: Flink errors out and job fails--IOException from CollectSink.open()
Hi Ted, Sorry for my big font earlier…was not intended J
I am on flink 1.2.0
I built flink-connector-kinesis_2.10-1.2.0.jar from source and included in the
fatjar I am running.
Followed this http://www.kidder.io/2017/02/15/flink-kinesis-streaming-connector/
From code I read a kinesis stream using
consumerConfig.setProperty(ConsumerConfigConstants.AWS_REGION, region);
consumerConfig.setProperty(ConsumerConfigConstants.DEFAULT_STREAM_INITIAL_POSITION,
"LATEST");
consumerConfig.setProperty(ConsumerConfigConstants.AWS_CREDENTIALS_PROVIDER,
"AUTO");
consumerConfig.setProperty(ConsumerConfigConstants.SHARD_GETRECORDS_MAX, "10");
consumerConfig.setProperty(ConsumerConfigConstants.SHARD_GETRECORDS_RETRIES,
"200");
consumerConfig.setProperty(ConsumerConfigConstants.SHARD_GETRECORDS_INTERVAL_MILLIS,
"2000");
DataStream<Map<String, Object>> stream = env.addSource(new
FlinkKinesisConsumer<>(inputStream, new MyJsonDeserializationSchema(),
consumerConfig));
While I push the json event to the Kinesis stream intermittently I see this NPE
and flink job fails
2017-04-14 00:31:54,672 WARN
org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer - Error
while closing Kinesis data fetcher
java.lang.NullPointerException
at
org.apache.flink.streaming.connectors.kinesis.internals.KinesisDataFetcher.shutdownFetcher(KinesisDataFetcher.java:472)
at
org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer.cancel(FlinkKinesisConsumer.java:246)
at
org.apache.flink.streaming.connectors.kinesis.FlinkKinesisConsumer.close(FlinkKinesisConsumer.java:256)
at
org.apache.flink.api.common.functions.util.FunctionUtils.closeFunction(FunctionUtils.java:43)
at
org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.dispose(AbstractUdfStreamOperator.java:127)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.disposeAllOperators(StreamTask.java:442)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:343)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:655)
at java.lang.Thread.run(Thread.java:745)
Thanks
Sathi
From: Ted Yu <yuzhih...@gmail.com>
Date: Thursday, April 13, 2017 at 5:02 PM
To: Sathi Chowdhury <sathi.chowdh...@elliemae.com>
Cc: "user@flink.apache.org" <user@flink.apache.org>
Subject: Re: Flink errors out and job fails--IOException from CollectSink.open()
Can you give us a bit more information ?
release of flink
snippet of your code
Thanks
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