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https://issues.apache.org/jira/browse/FLINK-13896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephan Ewen closed FLINK-13896.
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> Scala 2.11 maven compile should target Java 1.8
> -----------------------------------------------
>
> Key: FLINK-13896
> URL: https://issues.apache.org/jira/browse/FLINK-13896
> Project: Flink
> Issue Type: Bug
> Components: Build System
> Affects Versions: 1.9.0
> Reporter: Terry Wang
> Assignee: Terry Wang
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.10.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> When setting TableEnvironment in scala as follwing:
>
> {code:java}
> // we can repoduce this problem by put following code in
> // org.apache.flink.table.api.scala.internal.StreamTableEnvironmentImplTest
> @Test
> def testCreateEnvironment(): Unit = {
> val settings =
> EnvironmentSettings.newInstance().useBlinkPlanner().inBatchMode().build();
> val tEnv = TableEnvironment.create(settings);
> }
> {code}
> Then mvn test would fail with an error message like:
>
> error: Static methods in interface require -target:JVM-1.8
>
> We can fix this bug by adding:
> <configuration>
> <args>
> <arg>-target:jvm-1.8</arg>
> </args>
> </configuration>
>
> to scala-maven-plugin config
>
>
>
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