试过设置成provided,作业运行会抛ClassNotFoundError: 
org/apache/kafka/clients/consumer/ConsumerRecord





在 2021-11-09 09:54:59,"WuKong" <wukon...@foxmail.com> 写道:
>Hi :
>    看报错日志,还是类加载问题 提示的报错信息 是说已经由不同类加载器已经加装了改依赖。如果生产环境上已经由了相关依赖包,建议将依赖设置为provided
>
>Caused by: java.lang.LinkageError: loader constraint violation: loader
>>> (instance of org/apache/flink/util/ChildFirstClassLoader) previously
>>> initiated loading for a different type with name
>>> "org/apache/kafka/clients/consumer/ConsumerRecord"
>
>
>
>---
>Best,
>WuKong
> 
>发件人: casel.chen
>发送时间: 2021-11-08 14:38
>收件人: user-zh
>主题: Re:Re: 提交flink作业抛 java.lang.LinkageError
>版本是一致的,都是1.12.5版本
> 
> 
> 
> 
>在 2021-11-08 11:11:35,"Shuiqiang Chen" <acqua....@gmail.com> 写道:
>>Hi,
>>
>>能检查下作业jar里 kafka client的版本和平台上的是否一致吗?
>>
>>casel.chen <casel_c...@126.com> 于2021年11月5日周五 下午11:25写道:
>>
>>> 我在公司实时计算平台上提交了一个streaming api写的作业,结果抛如下异常。因为我们的实时计算平台是以flink
>>> sql为主的,上面已经集成了flink-kafka-connector。而我提交的作业也是需要从kafka消费,所以将相同版本的flink kafka
>>> connector也打进了作业jar包内。请问是什么原因造成的,需要如何修复?谢谢!
>>>
>>>
>>> 2021-11-05 16:38:58 -  [submit-session-executor-6] ERROR
>>> c.h.s.launcher.AbstractJobExecutor - -----start job failed-----
>>>
>>>
>>> org.apache.flink.client.program.ProgramInvocationException: The program
>>> caused an error:
>>>
>>>
>>>
>>>
>>>
>>>
>>> Classpath:
>>> [file:/opt/streamsql/jobs/aml-aml-aml/aml-datasync/TEST/aml-datasync-1.0-SNAPSHOT_zwb3274543418822102949.jar]
>>>
>>>
>>>
>>>
>>>
>>>
>>> System.out: (none)
>>>
>>>
>>>
>>>
>>>
>>>
>>> System.err: (none)
>>>
>>>
>>> at
>>> org.apache.flink.client.program.PackagedProgramUtils.generateException(PackagedProgramUtils.java:264)
>>>
>>>
>>> at
>>> org.apache.flink.client.program.PackagedProgramUtils.getPipelineFromProgram(PackagedProgramUtils.java:172)
>>>
>>>
>>> at
>>> com.huifu.streamsql.launcher.AbstractJobExecutor.createJobGraph(AbstractJobExecutor.java:205)
>>>
>>>
>>> at
>>> com.huifu.streamsql.launcher.standalone.RemoteExecutor.doStart(RemoteExecutor.java:31)
>>>
>>>
>>> at
>>> com.huifu.streamsql.launcher.AbstractJobExecutor.start(AbstractJobExecutor.java:51)
>>>
>>>
>>> at com.huifu.streamsql.launcher.JobCommand$1.execute(JobCommand.java:15)
>>>
>>>
>>> at
>>> com.huifu.streamsql.service.StreamSqlServiceImpl.submitJob(StreamSqlServiceImpl.java:443)
>>>
>>>
>>> at
>>> com.huifu.kunpeng.service.DeploymentServiceImpl.submitJob(DeploymentServiceImpl.java:1662)
>>>
>>>
>>> at
>>> com.huifu.kunpeng.service.DeploymentServiceImpl.launchDeployment(DeploymentServiceImpl.java:1623)
>>>
>>>
>>> at
>>> com.huifu.kunpeng.service.DeploymentServiceImpl$$FastClassBySpringCGLIB$$855501cb.invoke(<generated>)
>>>
>>>
>>> at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)
>>>
>>>
>>> at
>>> org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:771)
>>>
>>>
>>> at
>>> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
>>>
>>>
>>> at
>>> org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:749)
>>>
>>>
>>> at
>>> org.springframework.retry.annotation.AnnotationAwareRetryOperationsInterceptor.invoke(AnnotationAwareRetryOperationsInterceptor.java:156)
>>>
>>>
>>> at
>>> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
>>>
>>>
>>> at
>>> org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:749)
>>>
>>>
>>> at
>>> org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:691)
>>>
>>>
>>> at
>>> com.huifu.kunpeng.service.DeploymentServiceImpl$$EnhancerBySpringCGLIB$$9aed5b42.launchDeployment(<generated>)
>>>
>>>
>>> at
>>> com.huifu.kunpeng.runner.SubmitQueueApplicationRunner.lambda$run$0(SubmitQueueApplicationRunner.java:63)
>>>
>>>
>>> at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>>>
>>>
>>> at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>>>
>>>
>>> at java.lang.Thread.run(Thread.java:748)
>>>
>>>
>>> Caused by: java.lang.LinkageError: loader constraint violation: loader
>>> (instance of org/apache/flink/util/ChildFirstClassLoader) previously
>>> initiated loading for a different type with name
>>> "org/apache/kafka/clients/consumer/ConsumerRecord"
>>>
>>>
>>> at java.lang.ClassLoader.defineClass1(Native Method)
>>>
>>>
>>> at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
>>>
>>>
>>> at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
>>>
>>>
>>> at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
>>>
>>>
>>> at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
>>>
>>>
>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
>>>
>>>
>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
>>>
>>>
>>> at java.security.AccessController.doPrivileged(Native Method)

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