Hello, I'm trying to use a ExecuteSQL processor performing a query on a table with a BigInt field and it's failing with a:
org.apache.avro.file.DataFileWriter$AppendWriteException: org.apache.avro.UnresolvedUnionException: Not in union ["null","string"]: 10 at org.apache.avro.file.DataFileWriter.append(DataFileWriter.java:296) ~[na:na] at org.apache.nifi.processors.standard.util.JdbcCommon.convertToAvroStream(JdbcCommon.java:160) ~[na:na] at org.apache.nifi.processors.standard.util.JdbcCommon.convertToAvroStream(JdbcCommon.java:83) ~[na:na] at org.apache.nifi.processors.standard.util.JdbcCommon.convertToAvroStream(JdbcCommon.java:74) ~[na:na] at org.apache.nifi.processors.standard.ExecuteSQL$2.process(ExecuteSQL.java:193) ~[na:na] at org.apache.nifi.controller.repository.StandardProcessSession.write(StandardProcessSession.java:2123) ~[nifi-framework-core-1.1.0-SNAPSHOT.jar:1.1.0-SNAPSHOT] at org.apache.nifi.processors.standard.ExecuteSQL.onTrigger(ExecuteSQL.java:187) ~[na:na] at org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27) ~[nifi-api-1.1.0-SNAPSHOT.jar:1.1.0-SNAPSHOT] at org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1064) ~[nifi-framework-core-1.1.0-SNAPSHOT.jar:1.1.0-SNAPSHOT] at org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:136) [nifi-framework-core-1.1.0-SNAPSHOT.jar:1.1.0-SNAPSHOT] at org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:47) [nifi-framework-core-1.1.0-SNAPSHOT.jar:1.1.0-SNAPSHOT] at org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:132) [nifi-framework-core-1.1.0-SNAPSHOT.jar:1.1.0-SNAPSHOT] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_101] I've found this JIRA (https://issues.apache.org/jira/browse/NIFI-2531) and it looks like the very same issue but it's marked as resolved in 1.0.0 (which it's the version I'm using). Do you have any idea? The table is on a MySQL 5.7.15 and the schema is like this: CREATE TABLE `test_table` ( `code` bigint(20) DEFAULT NULL, `name` varchar(20) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 Thanks, Yari
