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From Yang Wang <danrtsey...@gmail.com>
Subject Re: (DISSCUSS) flink cli need load '--classpath' files
Date Fri, 06 Mar 2020 14:46:39 GMT
I think tison's answer is on point. All the Flink cli options should be
specified before the user jar. We have a very clear help message.

Syntax: run [OPTIONS] <jar-file> <arguments>


Best,
Yang

Jingsong Li <jingsonglee0@gmail.com> 于2020年3月6日周五 下午10:27写道:

> Hi tison and Aljoscha,
>
> Do you think "--classpath can not be in front of jar file" is an
> improvement? Or need documentation? Because I used to be confused.
>
> Best,
> Jingsong Lee
>
> On Fri, Mar 6, 2020 at 10:22 PM tison <wander4096@gmail.com> wrote:
>
>> I think the problem is that --classpath should be before the user jar,
>> i.e., /opt/flink/job/kafkaDemo19-1.0-SNAPSHOT.jar
>>
>> Best,
>> tison.
>>
>>
>> Aljoscha Krettek <aljoscha@apache.org> 于2020年3月6日周五 下午10:03写道:
>>
>>> Hi,
>>>
>>> first a preliminary question: does the jar file contain
>>> com.alibaba.fastjson.JSON? Could you maybe list the contents of the jar
>>> here?
>>>
>>> Best,
>>> Aljoscha
>>>
>>> On 06.03.20 13:25, ouywl wrote:
>>> > Hi all
>>> >       When I start a flinkcluster in session mode, It include jm/tm.
>>> And then I
>>> > submit a job like ‘bin/flink run —jobmanager “ip:8081” —class
path
>>> a.jar’. Even
>>> > the a.jar in all jm/tm and ‘bin/flink’ mechine . It will throw
>>> exception “
>>> > /opt/flink/bin/flink run --jobmanager ip:8081 --class
>>> > com.netease.java.TopSpeedWindowing --parallelism 1 --detached
>>> > /opt/flink/job/kafkaDemo19-1.0-SNAPSHOT.jar --classpath
>>> > file:///opt/flink/job/fastjson-1.2.66.jar
>>> > Starting execution of program
>>> > Executing TopSpeedWindowing example with default input data set.
>>> > Use --input to specify file input.
>>> > java.lang.NoClassDefFoundError: com/alibaba/fastjson/JSON
>>> > at com.netease.java.TopSpeedWindowing.main(TopSpeedWindowing.java:98)
>>> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> > at
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>> > at
>>> >
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>> > at java.lang.reflect.Method.invoke(Method.java:498)
>>> > at
>>> >
>>> org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:576)
>>> > at
>>> >
>>> org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:438)
>>> > at
>>> org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:274)
>>> > at
>>> org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:746)”
>>> >    As I read the code , flink cli have not load the —classspath jar,
>>> So It seems
>>> > a bug about the flink cli. Are you agree with me?
>>> > Best,
>>> > Ouywl
>>> >
>>>
>>
>
> --
> Best, Jingsong Lee
>

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