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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NIFI-6320) ExtractHL7Attributes should better tolerate custom segments (e.g. Z segments)
Date Wed, 10 Jul 2019 16:53:00 GMT

    [ https://issues.apache.org/jira/browse/NIFI-6320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16882254#comment-16882254
] 

ASF subversion and git services commented on NIFI-6320:
-------------------------------------------------------

Commit 15b0f1cfc2d022005c90f4852a2696b19c5ac816 in nifi's branch refs/heads/master from Gary
Teichrow
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=15b0f1c ]

NIFI-6320. This closes #3494. Added a check whereby, if the user is using the "Use Segment
Names" option in the ExtractHL7Attributes processor and the HL7 message being processed contains
custom user segments (e.g., Z Segments), the code will downgrade to returning the Segment
Label as it does when this option is not used. Without this a null pointer is thrown at line
288.

Signed-off-by: Joe Witt <joewitt@apache.org>


> ExtractHL7Attributes should better tolerate custom segments (e.g. Z segments)
> -----------------------------------------------------------------------------
>
>                 Key: NIFI-6320
>                 URL: https://issues.apache.org/jira/browse/NIFI-6320
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Extensions
>    Affects Versions: 1.9.2
>         Environment: OSX iMac 
>            Reporter: Gary Teichrow
>            Priority: Minor
>              Labels: Processor, hl7
>             Fix For: 1.10.0
>
>   Original Estimate: 1h
>          Time Spent: 10m
>  Remaining Estimate: 50m
>
> If a user is processing an HL7 message that contains custom segments (e.g. Z segments),
an NPE is thrown at line 288 in ExtractHL7Attributes.java upon encountering that segment.
The call to segment.getNames() will return a list of Nulls from HAPI for this custom segment.
> Added a check whereby, if the user is using the "Use Segment Names" option in the ExtractHL7Attributes
processor and the HL7 message being processed contains custom user segments (e.g., Z Segments),
the code will downgrade to returning the Segment Label as it does when this option is not
used. Without this a null pointer is thrown at line 288.



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