Bowen: The picture didn't come thru. Can you pastebin the contents of /lib dir ?
Cheers On Mon, Jun 19, 2017 at 11:22 PM, Bowen Li <bowen...@offerupnow.com> wrote: > Hi Gordon, > I double checked that I'm not using any of httpclient/httpcore > or aws-java-sdk-xxx jars in my application. > > The only thing I did with aws-java-sdk is to put > aws-java-sdk-1.7.4.jar to /lib described in https://ci.apache.org/ > projects/flink/flink-docs-release-1.3/setup/aws.html#flink-for-hadoop-27. > Here's the screenshot of my /lib dir. > [image: Inline image 1] > > Can the root cause be that shaded aws-java-sdk in flink is different > than shaded aws-java-sdk in flink-kinesis-connector? > > Thanks! > > On Mon, Jun 19, 2017 at 10:26 PM, Tzu-Li (Gordon) Tai <tzuli...@apache.org > > wrote: > >> Hi Bowen, >> >> Thanks for the info. I checked the 1.3.0 release jars, and they do not >> have unshaded httpcomponent dependencies, so that shouldn’t be the problem. >> >> Looking back into the stack trace you posted, the conflict seems to be a >> different problem. >> The conflict seems to be with clashes with the aws-java-sdk version, and >> not the httpcomponent dependency. >> The “INSTANCE” field actually does exist in the aws-java-sdk version that >> the Kinesis connector is using. >> >> Could it be that you have other conflicting aws-java-sdk versions in your >> jar? >> >> Cheers, >> Gordon >> >> On 20 June 2017 at 12:55:17 PM, Bowen Li (bowen...@offerupnow.com) wrote: >> >> Hi Gordon, >> Here's what I use: >> >> - Flink: I didn't build Flink myself. I download >> http://apache.mirrors.lucidnetworks.net/flink/flink-1.3.0/ >> flink-1.3.0-bin-hadoop27-scala_2.11.tgz >> from https://flink.apache.org/downloads.html (Hadoop® 2.7, Scala 2.11) >> - flink-kinesis-connector: I >> build flink-connector-kinesis_2.11-1.3.0.jar myself, from source code >> downloaded at *#Source* section in >> https://flink.apache.org/downloads.html. >> - Mvn -v: Apache Maven 3.2.5 >> >> >> In short, I didn't build Flink. Most likely that dependencies in >> either flink-dist or flink-kinesis-connector is not shaded properly? >> >> Thanks! >> Bowen >> >> On Mon, Jun 19, 2017 at 9:28 PM, Tzu-Li (Gordon) Tai <tzuli...@apache.org >> > >> wrote: >> >> > Hi, >> > >> > We’ve seen this issue before [1]. The usual reason is that the >> > httpcomponent dependencies weren’t properly shaded in the flink-dist >> jar. >> > Having them properly shaded should solve the issue. >> > >> > cc Bowen: >> > Are you building Flink yourself? If yes, what Maven version are you >> using? >> > If you’re using 3.3.x+, after the first build under flink/, make sure >> to go >> > to flink-dist/ and build a second time for the dependencies to be >> properly >> > shaded. >> > Alternatively, Maven 3.0.x+ is the recommended version, as 3.3.x has >> > dependency shading issues. >> > >> > If you’re not building Flink yourself, the cause could be that the Flink >> > 1.3.0 flink-dist jar wasn’t shaded properly, may need to double check. >> > >> > Best, >> > Gordon >> > >> > [1] https://issues.apache.org/jira/browse/FLINK-5013 >> > >> > On 20 June 2017 at 12:14:27 PM, Ted Yu (yuzhih...@gmail.com) wrote: >> > >> > I logged FLINK-6951, referencing this thread. >> > >> > We can continue discussion there. >> > >> > Thanks >> > >> > On Mon, Jun 19, 2017 at 9:06 PM, Bowen Li <bowen...@offerupnow.com> >> wrote: >> > >> > > Thanks, Ted! woo, this is unexpected. https://ci.apache. >> > > org/projects/flink/flink-docs-release-1.3/setup/aws.html is out of >> date. >> > > >> > > I bet anyone using Kinesis with Flink will run into this issue. I can >> try >> > > to build Flink myself and resolve this problem. But talking about a >> > > feasible permanent solution for all flink-connector-kinesis users. >> Shall >> > we >> > > downgrade aws-java-sdk-kinesis version in flink-connector-kinesis, or >> > shall >> > > we upgrade httpcomponents version in Flink? >> > > >> > > Bowen >> > > >> > > >> > > On Mon, Jun 19, 2017 at 7:02 PM, Ted Yu <yuzhih...@gmail.com> wrote: >> > > >> > > > Here is the dependency in the flink-connector-kinesis module: >> > > > >> > > > [INFO] +- com.amazonaws:aws-java-sdk-kinesis:jar:1.10.71:compile >> > > > [INFO] | \- com.amazonaws:aws-java-sdk-core:jar:1.10.71:compile >> > > > [INFO] | +- org.apache.httpcomponents:httpclient:jar:4.3.6:compile >> > > > [INFO] | +- org.apache.httpcomponents:httpcore:jar:4.3.3:compile >> > > > >> > > > Checking dependency tree of flink, the highest version is 4.2.x >> > > > >> > > > You can try building flink with dependency on 4.3.y of httpclient / >> > > > httpcore >> > > > >> > > > FYI >> > > > >> > > > >> > > > >> > > > On Mon, Jun 19, 2017 at 4:52 PM, Bowen Li <bowen...@offerupnow.com> >> > > wrote: >> > > > >> > > > > Hi guys, >> > > > > I'm trying to enable Flink's checkpoint on our Flink app. I got >> the >> > > > > following Apache http jar compatibility error, and cannot figure >> out >> > > how >> > > > to >> > > > > resolve it. >> > > > > >> > > > > Here's the stacktrace: >> > > > > >> > > > > ``` >> > > > > >> > > > > 2017-06-19 15:07:39,828 INFO org.apache.flink.runtime. >> > > taskmanager.Task >> > > > > - Source: Custom Source -> (Timestamps/Watermarks, >> > > Filter >> > > > > -> Map, Filter -> Map, Filter -> Map) (1/1) >> > > > > (37ab9429deda28e31fa0ed0ed1568654) switched from RUNNING to >> FAILED. >> > > > > java.lang.NoSuchFieldError: INSTANCE >> > > > > at >> > > > > org.apache.flink.kinesis.shaded.com.amazonaws.http.conn. >> > > > > SdkConnectionKeepAliveStrategy.getKeepAliveDuration( >> > > > > SdkConnectionKeepAliveStrategy.java:48) >> > > > > at >> > > > > org.apache.http.impl.client.DefaultRequestDirector.execute( >> > > > > DefaultRequestDirector.java:535) >> > > > > at >> > > > > org.apache.http.impl.client.AbstractHttpClient.execute( >> > > > > AbstractHttpClient.java:906) >> > > > > at >> > > > > org.apache.http.impl.client.AbstractHttpClient.execute( >> > > > > AbstractHttpClient.java:805) >> > > > > at >> > > > > org.apache.flink.kinesis.shaded.com.amazonaws.http.AmazonHtt >> pClient. >> > > > > executeOneRequest(AmazonHttpClient.java:837) >> > > > > at >> > > > > org.apache.flink.kinesis.shaded.com.amazonaws.http.AmazonHtt >> pClient. >> > > > > executeHelper(AmazonHttpClient.java:607) >> > > > > at >> > > > > org.apache.flink.kinesis.shaded.com.amazonaws.http. >> > > > > AmazonHttpClient.doExecute(AmazonHttpClient.java:376) >> > > > > at >> > > > > org.apache.flink.kinesis.shaded.com.amazonaws.http.AmazonHtt >> pClient. >> > > > > executeWithTimer(AmazonHttpClient.java:338) >> > > > > at >> > > > > org.apache.flink.kinesis.shaded.com.amazonaws.http. >> > > > > AmazonHttpClient.execute(AmazonHttpClient.java:287) >> > > > > at >> > > > > org.apache.flink.kinesis.shaded.com.amazonaws.services. >> > > > > kinesis.AmazonKinesisClient.doInvoke(AmazonKinesisClient.jav >> a:1940) >> > > > > at >> > > > > org.apache.flink.kinesis.shaded.com.amazonaws.services. >> > > > > kinesis.AmazonKinesisClient.invoke(AmazonKinesisClient.java:1910) >> > > > > at >> > > > > org.apache.flink.kinesis.shaded.com.amazonaws.services. >> > > > > kinesis.AmazonKinesisClient.describeStream( >> > > AmazonKinesisClient.java:656) >> > > > > at >> > > > > org.apache.flink.streaming.connectors.kinesis.proxy. >> > > > > KinesisProxy.describeStream(KinesisProxy.java:361) >> > > > > at >> > > > > org.apache.flink.streaming.connectors.kinesis.proxy.KinesisProxy. >> > > > > getShardsOfStream(KinesisProxy.java:323) >> > > > > at >> > > > > org.apache.flink.streaming.connectors.kinesis.proxy. >> > > > > KinesisProxy.getShardList(KinesisProxy.java:231) >> > > > > at >> > > > > org.apache.flink.streaming.connectors.kinesis.internals. >> > > > > KinesisDataFetcher.discoverNewShardsToSubscribe( >> > > > > KinesisDataFetcher.java:430) >> > > > > at >> > > > > org.apache.flink.streaming.connectors.kinesis. >> > > FlinkKinesisConsumer.run( >> > > > > FlinkKinesisConsumer.java:202) >> > > > > at >> > > > > org.apache.flink.streaming.api.operators.StreamSource. >> > > > > run(StreamSource.java:87) >> > > > > at >> > > > > org.apache.flink.streaming.api.operators.StreamSource. >> > > > > run(StreamSource.java:55) >> > > > > at >> > > > > org.apache.flink.streaming.runtime.tasks.SourceStreamTask.run( >> > > > > SourceStreamTask.java:95) >> > > > > at >> > > > > org.apache.flink.streaming.runtime.tasks.StreamTask. >> > > > > invoke(StreamTask.java:262) >> > > > > at org.apache.flink.runtime.taskmanager.Task.run(Task.java:702) >> > > > > at java.lang.Thread.run(Thread.java:745) >> > > > > >> > > > > ``` >> > > > > >> > > > > Here's my Flink environment setup: >> > > > > >> > > > > - I'm using flink-connector-kinesis_2.11-1.3.0.jar that I built >> > > from >> > > > > 1.3.0 source code. >> > > > > - I followed >> > > > > https://ci.apache.org/projects/flink/flink-docs- >> > > > > release-1.3/setup/aws.html#flink-for-hadoop-27 >> > > > > and added all necessary dependency jars >> > > > > - My application doesn't use Apache http/core. >> > > > > >> > > > > >> > > > > Has anyone experienced the similar incompatibility issue? >> > > > > >> > > > > Thanks! >> > > > > Bowen >> > > > > >> > > > >> > > >> > >> > >
