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Dongjoon Hyun aea30a1a9b [SPARK-14465][BUILD] Checkstyle should check all Java files 
## What changes were proposed in this pull request?

Currently, `checkstyle` is configured to check the files under `src/main/java`. However, Spark has Java files in `src/main/scala`, too. This PR fixes the following configuration in `pom.xml` and the unchecked-so-far violations on those files.
```xml
-<sourceDirectory>${basedir}/src/main/java</sourceDirectory>
+<sourceDirectories>${basedir}/src/main/java,${basedir}/src/main/scala</sourceDirectories>
```

## How was this patch tested?

After passing the Jenkins build and manually `dev/lint-java`. (Note that Jenkins does not run `lint-java`)

Author: Dongjoon Hyun <dongjoon@apache.org>

Closes #12242 from dongjoon-hyun/SPARK-14465.
2016-04-09 21:31:20 -07:00
..
src/test [SPARK-14465][BUILD] Checkstyle should check all Java files 2016-04-09 21:31:20 -07:00
pom.xml [SPARK-14359] Unit tests for java 8 lambda syntax with typed aggregates 2016-04-05 21:22:20 -05:00
README.md [SPARK-14281][TESTS] Fix java8-tests and simplify their build 2016-03-31 13:52:59 -07:00

README.md

Java 8 Test Suites

These tests require having Java 8 installed and are isolated from the main Spark build. If Java 8 is not your system's default Java version, you will need to point Spark's build to your Java location. The set-up depends a bit on the build system:

  • Sbt users can either set JAVA_HOME to the location of a Java 8 JDK or explicitly pass -java-home to the sbt launch script. If a Java 8 JDK is detected sbt will automatically include the Java 8 test project.

    `$ JAVA_HOME=/opt/jdk1.8.0/ build/sbt clean java8-tests/test

  • For Maven users,

    Maven users can also refer to their Java 8 directory using JAVA_HOME.

    $ JAVA_HOME=/opt/jdk1.8.0/ mvn clean install -DskipTests $ JAVA_HOME=/opt/jdk1.8.0/ mvn -pl :java8-tests_2.11 test

    Note that the above command can only be run from project root directory since this module depends on core and the test-jars of core and streaming. This means an install step is required to make the test dependencies visible to the Java 8 sub-project.