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https://issues.apache.org/jira/browse/FLINK-6965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16062865#comment-16062865
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ASF GitHub Bot commented on FLINK-6965:
---------------------------------------
Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/4160#discussion_r123971846
--- Diff: tools/travis_mvn_watchdog.sh ---
@@ -182,6 +182,13 @@ check_shaded_artifacts() {
exit 1
fi
+ SNAPPY=`cat allClasses | grep '^org/xerial/snappy' | wc -l`
+ if [ AVRO == "0" ]; then
--- End diff --
yes! nice catch...
> Avro is missing snappy dependency
> ---------------------------------
>
> Key: FLINK-6965
> URL: https://issues.apache.org/jira/browse/FLINK-6965
> Project: Flink
> Issue Type: Bug
> Components: Type Serialization System
> Affects Versions: 1.3.0
> Reporter: Chesnay Schepler
> Assignee: Chesnay Schepler
> Priority: Blocker
> Fix For: 1.3.2
>
>
> The shading rework made before 1.3 removed a snappy dependency that was
> accidentally pulled in through hadoop. This is technically alright, until
> class-loaders rear their ugly heads.
> Our kafka connector can read avro records, which may or may not require
> snappy. Usually this _should_ be solvable by including the snappy dependency
> in the user-jar if necessary, however since the kafka connector loads classes
> that it requires using the system class loader this doesn't work.
> As such we have to add a separate snappy dependency to flink-core.
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