pvillard31 commented on issue #3945: NIFI-6960: Add Provenance Table to MetricsSqlQueryService URL: https://github.com/apache/nifi/pull/3945#issuecomment-571922858 I merged your patch for NIFI-6989 and it's better but I still have the below error when using QueryNiFiReportingTask (Include Zero Record Results set to false) with SiteToSiteReportingRecordSink (after a fresh start of NiFi with no provenance events to send): ```` 2020-01-08 14:14:18,350 ERROR [pool-40-thread-1] o.a.n.r.util.SiteToSiteRestApiClient Failed to send data to http://localhost:8080/nifi-api/data-transfer/input-ports/81775e5c-016f-1000-093b-b91f6926a6e0/transactions/9eadf9a7-df0b-4607-88d9-4a806283c527/flow-files due to org.apache.http.ConnectionClosedException: Connection closed unexpectedly org.apache.http.ConnectionClosedException: Connection closed unexpectedly at org.apache.http.nio.protocol.HttpAsyncRequestExecutor.closed(HttpAsyncRequestExecutor.java:140) at org.apache.http.impl.nio.client.InternalIODispatch.onClosed(InternalIODispatch.java:71) at org.apache.http.impl.nio.client.InternalIODispatch.onClosed(InternalIODispatch.java:39) at org.apache.http.impl.nio.reactor.AbstractIODispatch.disconnected(AbstractIODispatch.java:100) at org.apache.http.impl.nio.reactor.BaseIOReactor.sessionClosed(BaseIOReactor.java:279) at org.apache.http.impl.nio.reactor.AbstractIOReactor.processClosedSessions(AbstractIOReactor.java:440) at org.apache.http.impl.nio.reactor.AbstractIOReactor.hardShutdown(AbstractIOReactor.java:576) at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.doShutdown(AbstractMultiworkerIOReactor.java:446) at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.execute(AbstractMultiworkerIOReactor.java:374) at org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager.execute(PoolingNHttpClientConnectionManager.java:221) at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase$1.run(CloseableHttpAsyncClientBase.java:64) at java.lang.Thread.run(Thread.java:748) 2020-01-08 14:14:18,350 WARN [pool-40-thread-1] o.a.n.r.s.SiteToSiteReportingRecordSink SiteToSiteReportingRecordSink[id=41f3a256-016f-1000-a580-3b08af83c979] Failed to send data to http://localhost:8080/nifi-api/data-transfer/input-ports/81775e5c-016f-1000-093b-b91f6926a6e0/transactions/9eadf9a7-df0b-4607-88d9-4a806283c527/flow-files due to org.apache.http.ConnectionClosedException: Connection closed unexpectedly ```` It works fine if there is data to send or if I set Include Zero Record Results to true.
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