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spark-instrumented-optimizer/extras/java8-tests
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Reynold Xin 3888ee2f38 [SPARK-3748] Log thread name in unit test logs 
Thread names are useful for correlating failures.

Author: Reynold Xin <rxin@apache.org>

Closes #2600 from rxin/log4j and squashes the following commits:

83ffe88 [Reynold Xin] [SPARK-3748] Log thread name in unit test logs
2014-10-01 01:03:49 -07:00
..
src/test [SPARK-3748] Log thread name in unit test logs 2014-10-01 01:03:49 -07:00
pom.xml [SPARK-3452] Maven build should skip publishing artifacts people shouldn... 2014-09-14 21:17:29 -07:00
README.md [java8API] SPARK-964 Investigate the potential for using JDK 8 lambda expressions for the Java/Scala APIs 2014-03-03 22:31:30 -08:00

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/ sbt/sbt clean "test-only org.apache.spark.Java8APISuite"

  • For Maven users,

    Maven users can also refer to their Java 8 directory using JAVA_HOME. However, Maven will not automatically detect the presence of a Java 8 JDK, so a special build profile -Pjava8-tests must be used.

    $ JAVA_HOME=/opt/jdk1.8.0/ mvn clean install -DskipTests $ JAVA_HOME=/opt/jdk1.8.0/ mvn test -Pjava8-tests -DwildcardSuites=org.apache.spark.Java8APISuite

    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.