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  1. Flink
  2. FLINK-16170

SearchTemplateRequest ClassNotFoundException when use flink-sql-connector-elasticsearch7

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      When run SQL CLI with elasticsearch7, when running a query insert into elasticsearch, a
      SearchTemplateRequest ClassNotFoundException will be thrown.

      org.apache.flink.runtime.JobException: Recovery is suppressed by NoRestartBackoffTimeStrategy
        at org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.handleFailure(ExecutionFailureHandler.java:110)
        at org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.getFailureHandlingResult(ExecutionFailureHandler.java:76)
        at org.apache.flink.runtime.scheduler.DefaultScheduler.handleTaskFailure(DefaultScheduler.java:192)
        at org.apache.flink.runtime.scheduler.DefaultScheduler.maybeHandleTaskFailure(DefaultScheduler.java:186)
        at org.apache.flink.runtime.scheduler.DefaultScheduler.updateTaskExecutionStateInternal(DefaultScheduler.java:180)
        at org.apache.flink.runtime.scheduler.SchedulerBase.updateTaskExecutionState(SchedulerBase.java:484)
        at org.apache.flink.runtime.jobmaster.JobMaster.updateTaskExecutionState(JobMaster.java:380)
        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.runtime.rpc.akka.AkkaRpcActor.handleRpcInvocation(AkkaRpcActor.java:279)
        at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:194)
        at org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:74)
        at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:152)
        at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26)
        at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21)
        at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123)
        at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21)
        at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:170)
        at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)
        at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)
        at akka.actor.Actor$class.aroundReceive(Actor.scala:517)
        at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225)
        at akka.actor.ActorCell.receiveMessage(ActorCell.scala:592)
        at akka.actor.ActorCell.invoke(ActorCell.scala:561)
        at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258)
        at akka.dispatch.Mailbox.run(Mailbox.scala:225)
        at akka.dispatch.Mailbox.exec(Mailbox.scala:235)
        at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
        at akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
        at akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
        at akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
      Caused by: java.lang.NoClassDefFoundError: org/apache/flink/elasticsearch7/shaded/org/elasticsearch/script/mustache/SearchTemplateRequest
        at org.apache.flink.streaming.connectors.elasticsearch7.Elasticsearch7ApiCallBridge.createClient(Elasticsearch7ApiCallBridge.java:76)
        at org.apache.flink.streaming.connectors.elasticsearch7.Elasticsearch7ApiCallBridge.createClient(Elasticsearch7ApiCallBridge.java:48)
        at org.apache.flink.streaming.connectors.elasticsearch.ElasticsearchSinkBase.open(ElasticsearchSinkBase.java:299)
        at org.apache.flink.api.common.functions.util.FunctionUtils.openFunction(FunctionUtils.java:36)
        at org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.open(AbstractUdfStreamOperator.java:102)
        at org.apache.flink.streaming.api.operators.StreamSink.open(StreamSink.java:48)
        at org.apache.flink.streaming.runtime.tasks.StreamTask.initializeStateAndOpen(StreamTask.java:1007)
        at org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$beforeInvoke$0(StreamTask.java:454)
        at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.runThrowing(StreamTaskActionExecutor.java:94)
        at org.apache.flink.streaming.runtime.tasks.StreamTask.beforeInvoke(StreamTask.java:449)
        at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:461)
        at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:707)
        at org.apache.flink.runtime.taskmanager.Task.run(Task.java:532)
        at java.lang.Thread.run(Thread.java:748)
      Caused by: java.lang.ClassNotFoundException: org.apache.flink.elasticsearch7.shaded.org.elasticsearch.script.mustache.SearchTemplateRequest
        at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at org.apache.flink.util.ChildFirstClassLoader.loadClass(ChildFirstClassLoader.java:60)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 14 more
      

      It seems that the flink-sql-connector-elasticsearch7 has 3 more exclusion than flink-sql-connector-elasticsearch6:

      <exclude>org.elasticsearch:elasticsearch-geo</exclude>
      <exclude>org.elasticsearch.plugin:lang-mustache-client</exclude>				<exclude>com.github.spullara.mustache.java:compiler</exclude>
      

      I guess this is the root case.
      E2E test didn't alert this problem because we only test against elasticsearch6 in test_sql_client.sh. We should also add elasticsearch7 e2e there.

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              • Assignee:
                Leonard Xu Leonard Xu
                Reporter:
                jark Jark Wu
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                  Updated:
                  Resolved:

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