Flink 两表关联 Could not instantiate outputs in order

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最新推荐文章于 2024-03-16 06:00:00 发布

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分类专栏： flink

本文链接：https://blog.youkuaiyun.com/servletwjx/article/details/90260067

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这篇博客记录了在尝试运行Flink作业时遇到的错误，错误信息显示为'Could not instantiate outputs in order'，具体表现为ClassNotFoundException: org.apache.flink.table.runtime.CRowKeySelector。错误出现在任务提交和执行阶段。解决方法是将flink-table_2.11-1.7.0.jar放入flink的lib目录下，然后重启yarn-session。

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Caused by: java.lang.ClassNotFoundException: org.apache.flink.table.runtime.CRowKeySelector

具体报错

May 16, 2019 10:12:01 AM com.sitesh.SqlJoinWithKafka main
SEVERE: null
org.apache.flink.client.program.ProgramInvocationException: Job failed. (JobID: 85f5af3065be5aae2fdbd0aceec5fd0c)
   at org.apache.flink.client.program.rest.RestClusterClient.submitJob(RestClusterClient.java:268)
   at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:487)
   at org.apache.flink.streaming.api.environment.StreamContextEnvironment.execute(StreamContextEnvironment.java:66)
   at com.sitesh.SqlJoinWithKafka.main(SqlJoinWithKafka.java:131)
   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:529)
   at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:421)
   at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:427)
   at org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:813)
   at org.apache.flink.client.cli.CliFrontend.runProgram(CliFrontend.java:287)
   at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:213)
   at org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:1050)
   at org.apache.flink.client.cli.CliFrontend.lambda$main$11(CliFrontend.java:1126)
   at java.security.AccessController.doPrivileged(Native Method)
   at javax.security.auth.Subject.doAs(Subject.java:422)
   at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1692)
   at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
   at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1126)
Caused by: org.apache.flink.runtime.client.JobExecutionException: Job execution failed.
   at org.apache.flink.runtime.jobmaster.JobResult.toJobExecutionResult(JobResult.java:146)
   at org.apache.flink.client.program.rest.RestClusterClient.submitJob(RestClusterClient.java:265)
   ... 20 more
Caused by: org.apache.flink.streaming.runtime.tasks.StreamTaskException: Could not instantiate outputs in order.
   at org.apache.flink.streaming.api.graph.StreamConfig.getOutEdgesInOrder(Stream