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https://issues.apache.org/jira/browse/PHOENIX-5022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16699995#comment-16699995
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James Taylor commented on PHOENIX-5022:
---------------------------------------
Looks like the cause is the upgrade to Avatica 1.12.0 (PHOENIX-4805) which
depends on Java 1.8. Reverting back to Avatica 1.10.0 requires reverting
PHOENIX-4755, PHOENIX-4750 and maybe more.
An easier alternative might be to require Java 1.8 for phoenix-queryserver.
FYI, [~karanmehta93] & [~tdsilva]. I'd recommend that you make sure you set
your default version of Java to 1.7 so that this doesn't keep happening.
> For 1.x branches, phoenix-queryserver encounters build failure
> --------------------------------------------------------------
>
> Key: PHOENIX-5022
> URL: https://issues.apache.org/jira/browse/PHOENIX-5022
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
> Assignee: Josh Elser
> Priority: Blocker
> Fix For: 4.15.0
>
>
> It's likely been masked by frequent failures/flappers in phoenix-core, but
> we're (maybe) finally able to run all the tests successfully. Maybe a Java 8
> dependency snuck in again?
>
> From this build: [https://builds.apache.org/job/Phoenix-omid2/150/console]
>
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-surefire-plugin:2.20:test (default-test) on
> project phoenix-queryserver: Execution default-test of goal
> org.apache.maven.plugins:maven-surefire-plugin:2.20:test failed:
> java.lang.UnsupportedClassVersionError:
> org/apache/calcite/avatica/server/HttpServer$Builder : Unsupported
> major.minor version 52.0 -> [Help 1]
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