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https://issues.apache.org/jira/browse/NIFI-5351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16545276#comment-16545276
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ASF GitHub Bot commented on NIFI-5351:
--------------------------------------
Github user joetrite closed the pull request at:
https://github.com/apache/nifi/pull/2875
> FetchParquet Conversion Error
> -----------------------------
>
> Key: NIFI-5351
> URL: https://issues.apache.org/jira/browse/NIFI-5351
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Affects Versions: 1.6.0
> Environment: RHEL 7.5, Java 1.8.0_161
> Reporter: Joe Trite
> Priority: Major
>
> FetchParquet is throwing an error when the schema contains a decimal.
> Here is the data type of the field throwing the error:
> optional fixed_len_byte_array(16) amt (DECIMAL(38,10));
>
> Here is the error:
> 2018-06-28 22:56:57,030 ERROR [Timer-Driven Process Thread-3]
> o.a.nifi.processors.parquet.FetchParquet
> FetchParquet[id=9280c518-6a92-363f-893a-5a03feb45ebc] Failed to retrieve
> content from /data/000157_0 for
> StandardFlowFileRecord[uuid=112b6e45-011a-44ac-b258-97f52a505597,claim=,offset=0,name=000157_0,size=0]
> due to
> org.apache.nifi.serialization.record.util.IllegalTypeConversionException:
> Cannot convert value [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 90, -13, 16, 122, 64, 0]
> of type class org.apache.avro.generic.GenericData$Fixed because no compatible
> types exist in the UNION for field amt; routing to failure:
> org.apache.nifi.serialization.record.util.IllegalTypeConversionException:
> Cannot convert value [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 90, -13, 16, 122, 64, 0]
> of type class org.apache.avro.generic.GenericData$Fixed because no compatible
> types exist in the UNION for field amt
> org.apache.nifi.serialization.record.util.IllegalTypeConversionException:
> Cannot convert value [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 90, -13, 16, 122, 64, 0]
> of type class org.apache.avro.generic.GenericData$Fixed because no compatible
> types exist in the UNION for field amt
> at
> org.apache.nifi.avro.AvroTypeUtil.convertUnionFieldValue(AvroTypeUtil.java:759)
> at
> org.apache.nifi.avro.AvroTypeUtil.normalizeValue(AvroTypeUtil.java:844)
> at
> org.apache.nifi.avro.AvroTypeUtil.convertAvroRecordToMap(AvroTypeUtil.java:710)
> at
> org.apache.nifi.processors.parquet.record.AvroParquetHDFSRecordReader.nextRecord(AvroParquetHDFSRecordReader.java:62)
> at
> org.apache.nifi.processors.hadoop.AbstractFetchHDFSRecord.lambda$null$0(AbstractFetchHDFSRecord.java:197)
> at
> org.apache.nifi.controller.repository.StandardProcessSession.write(StandardProcessSession.java:2621)
> at
> org.apache.nifi.processors.hadoop.AbstractFetchHDFSRecord.lambda$onTrigger$1(AbstractFetchHDFSRecord.java:193)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:360)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1678)
> at
> org.apache.nifi.processors.hadoop.AbstractFetchHDFSRecord.onTrigger(AbstractFetchHDFSRecord.java:177)
> at
> org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
> at
> org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1147)
> at
> org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:175)
> at
> org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:117)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
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