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https://issues.apache.org/jira/browse/FLINK-19204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17194238#comment-17194238
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Timo Walther commented on FLINK-19204:
--------------------------------------
CC [~godfreyhe]
Is there anything we can do?
> Improve warning during a Table.execute()
> ----------------------------------------
>
> Key: FLINK-19204
> URL: https://issues.apache.org/jira/browse/FLINK-19204
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / API
> Reporter: Timo Walther
> Priority: Major
>
> When running a table program locally that uses `Table.execute().collect` the
> logs contain a warning in most of the runs. Logs should not contain a warning
> by default, because this is very confusing. At the first glance, it looks
> like something went wrong even though the program finished successfully.
> {code}
> 2020-09-11 14:03:27,714 WARN
> org.apache.flink.streaming.api.operators.collect.CollectResultFetcher [] -
> Failed to get job status so we assume that the job has terminated. Some data
> might be lost.
> java.lang.IllegalStateException: MiniCluster is not yet running or has
> already been shut down.
> at
> org.apache.flink.util.Preconditions.checkState(Preconditions.java:195)
> ~[classes/:?]
> at
> org.apache.flink.runtime.minicluster.MiniCluster.getDispatcherGatewayFuture(MiniCluster.java:707)
> ~[classes/:?]
> at
> org.apache.flink.runtime.minicluster.MiniCluster.runDispatcherCommand(MiniCluster.java:621)
> ~[classes/:?]
> at
> org.apache.flink.runtime.minicluster.MiniCluster.getJobStatus(MiniCluster.java:587)
> ~[classes/:?]
> at
> org.apache.flink.client.program.PerJobMiniClusterFactory$PerJobMiniClusterJobClient.getJobStatus(PerJobMiniClusterFactory.java:167)
> ~[classes/:?]
> at
> org.apache.flink.streaming.api.operators.collect.CollectResultFetcher.isJobTerminated(CollectResultFetcher.java:199)
> [classes/:?]
> at
> org.apache.flink.streaming.api.operators.collect.CollectResultFetcher.next(CollectResultFetcher.java:123)
> [classes/:?]
> at
> org.apache.flink.streaming.api.operators.collect.CollectResultIterator.nextResultFromFetcher(CollectResultIterator.java:103)
> [classes/:?]
> at
> org.apache.flink.streaming.api.operators.collect.CollectResultIterator.hasNext(CollectResultIterator.java:77)
> [classes/:?]
> at
> org.apache.flink.table.planner.sinks.SelectTableSinkBase$RowIteratorWrapper.hasNext(SelectTableSinkBase.java:115)
> [classes/:?]
> at
> org.apache.flink.table.api.internal.TableResultImpl$CloseableRowIteratorWrapper.hasNext(TableResultImpl.java:355)
> [classes/:?]
> at
> org.apache.flink.table.utils.PrintUtils.printAsTableauForm(PrintUtils.java:155)
> [classes/:?]
> at
> org.apache.flink.table.api.internal.TableResultImpl.print(TableResultImpl.java:149)
> [classes/:?]
> at
> org.apache.flink.table.examples.scala.basics.GettingStartedExample$.main(GettingStartedExample.scala:90)
> [classes/:?]
> at
> org.apache.flink.table.examples.scala.basics.GettingStartedExample.main(GettingStartedExample.scala)
> [classes/:?]
> {code}
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