[GitHub] [druid] johnynainwani commented on issue #4826: AvaticaClientRuntimeException: Remote driver error: IllegalStateException: DefaultQueryMetrics must not be modified from multiple threads.

[GitBox <gi...@apache.org>]

johnynainwani commented on issue #4826:
URL: https://github.com/apache/druid/issues/4826#issuecomment-811868158


   I am also experiencing same issue in 0.20.1, while having a union of two "group by"s. Stack-trace is given as below.
   
   **ERROR**
   ### Error querying database. Cause: AvaticaClientRuntimeException: Remote driver error: IllegalStateException: DefaultQueryMetrics must not be modified from multiple threads. If it is needed to gather dimension or metric information from multiple threads or from an async thread, this information should explicitly be passed between threads (e. g. using Futures), or this DefaultQueryMetrics's ownerThread should be reassigned explicitly. Error -1 (00000) UNKNOWN
   
   java.lang.IllegalStateException: DefaultQueryMetrics must not be modified from multiple threads. If it is needed to gather dimension or metric information from multiple threads or from an async thread, this information should explicitly be passed between threads (e. g. using Futures), or this DefaultQueryMetrics's ownerThread should be reassigned explicitly
   at org.apache.druid.query.DefaultQueryMetrics.checkModifiedFromOwnerThread(DefaultQueryMetrics.java:67)
   at org.apache.druid.query.DefaultQueryMetrics.reportMetric(DefaultQueryMetrics.java:354)
   at org.apache.druid.query.DefaultQueryMetrics.reportCpuTime(DefaultQueryMetrics.java:251)
   at org.apache.druid.query.CPUTimeMetricQueryRunner$1.after(CPUTimeMetricQueryRunner.java:92)
   at org.apache.druid.java.util.common.guava.WrappingYielder.close(WrappingYielder.java:98)
   at org.apache.druid.java.util.common.guava.WrappingYielder.close(WrappingYielder.java:82)
   at org.apache.druid.java.util.common.guava.ConcatSequence.wrapYielder(ConcatSequence.java:112)
   at org.apache.druid.java.util.common.guava.ConcatSequence.access$000(ConcatSequence.java:27)
   at org.apache.druid.java.util.common.guava.ConcatSequence$2.next(ConcatSequence.java:132)
   at org.apache.druid.sql.avatica.DruidStatement.nextFrame(DruidStatement.java:274)
   at org.apache.druid.sql.avatica.DruidMeta.fetch(DruidMeta.java:238)
   at org.apache.calcite.avatica.remote.LocalService.apply(LocalService.java:239)
   at org.apache.calcite.avatica.remote.Service$FetchRequest.accept(Service.java:1370)
   at org.apache.calcite.avatica.remote.Service$FetchRequest.accept(Service.java:1337)
   at org.apache.calcite.avatica.remote.AbstractHandler.apply(AbstractHandler.java:94)
   at org.apache.calcite.avatica.remote.JsonHandler.apply(JsonHandler.java:52)
   at org.apache.calcite.avatica.server.AvaticaJsonHandler.handle(AvaticaJsonHandler.java:133)
   at org.apache.druid.sql.avatica.DruidAvaticaHandler.handle(DruidAvaticaHandler.java:59)
   at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:59)
   at org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:173)
   at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
   at org.eclipse.jetty.server.Server.handle(Server.java:501)
   at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
   at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
   at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
   at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:272)
   at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
   at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
   at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
   at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
   at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
   at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
   at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
   at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:375)
   at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)
   at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938)
   at java.lang.Thread.run(Thread.java:745)
   Suppressed: java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.IllegalStateException: DefaultQueryMetrics must not be modified from multiple threads. If it is needed to gather dimension or metric information from multiple threads or from an async thread, this information should explicitly be passed between threads (e. g. using Futures), or this DefaultQueryMetrics's ownerThread should be reassigned explicitly
   at org.apache.druid.sql.avatica.DruidStatement.close(DruidStatement.java:335)
   at org.apache.druid.sql.avatica.DruidStatement.nextFrame(DruidStatement.java:288)
   ... 27 more
   Caused by: java.util.concurrent.ExecutionException: java.lang.IllegalStateException: DefaultQueryMetrics must not be modified from multiple threads. If it is needed to gather dimension or metric information from multiple threads or from an async thread, this information should explicitly be passed between threads (e. g. using Futures), or this DefaultQueryMetrics's ownerThread should be reassigned explicitly
   at java.util.concurrent.FutureTask.report(FutureTask.java:122)
   at java.util.concurrent.FutureTask.get(FutureTask.java:192)
   at org.apache.druid.sql.avatica.DruidStatement.close(DruidStatement.java:317)
   ... 28 more
   Caused by: java.lang.IllegalStateException: DefaultQueryMetrics must not be modified from multiple threads. If it is needed to gather dimension or metric information from multiple threads or from an async thread, this information should explicitly be passed between threads (e. g. using Futures), or this DefaultQueryMetrics's ownerThread should be reassigned explicitly
   at org.apache.druid.query.DefaultQueryMetrics.checkModifiedFromOwnerThread(DefaultQueryMetrics.java:67)
   at org.apache.druid.query.DefaultQueryMetrics.reportMetric(DefaultQueryMetrics.java:354)
   at org.apache.druid.query.DefaultQueryMetrics.reportCpuTime(DefaultQueryMetrics.java:251)
   at org.apache.druid.query.CPUTimeMetricQueryRunner$1.after(CPUTimeMetricQueryRunner.java:92)
   at org.apache.druid.java.util.common.guava.WrappingYielder.close(WrappingYielder.java:98)
   at org.apache.druid.java.util.common.guava.WrappingYielder.close(WrappingYielder.java:82)
   at org.apache.druid.java.util.common.guava.ConcatSequence$2.close(ConcatSequence.java:145)
   at org.apache.druid.sql.avatica.DruidStatement.lambda$close$0(DruidStatement.java:313)
   at java.util.concurrent.FutureTask.run(FutureTask.java:266)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
   ... 1 more
   
   


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