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https://issues.apache.org/jira/browse/SPARK-4021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14179346#comment-14179346
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shane knapp commented on SPARK-4021:
------------------------------------
ok, i can believe that it doesn't have anything to do w/openjdk. i DO believe
that jenkins is behaving badly, and defaulting to the system JDK when it
absolutely shouldn't have (which apparently clobbers the JAVA_HOME env).
the 'something else in play' is still bugging me, though. if spark compiles
happily w/openjdk7, then what's targeting 1.5 or earlier?
i'll mess around and compile from the CLI and see what i can find.
> Issues observed after upgrading Jenkins to JDK7u71
> --------------------------------------------------
>
> Key: SPARK-4021
> URL: https://issues.apache.org/jira/browse/SPARK-4021
> Project: Spark
> Issue Type: Bug
> Components: Project Infra
> Environment: JDK 7u71
> Reporter: Patrick Wendell
> Assignee: shane knapp
>
> The following compile failure was observed after adding JDK7u71 to Jenkins.
> However, this is likely a misconfiguration from Jenkins rather than an issue
> with Spark (these errors are specific to JDK5, in fact).
> {code}
> [error] ----------
> [error] 1. WARNING in
> /home/jenkins/workspace/Spark-Master-SBT/AMPLAB_JENKINS_BUILD_PROFILE/hadoop1.0/label/centos/extras/kinesis-asl/src/main/java/org/apache/spark/examples/streaming/JavaKinesisWordCountASL.java
> (at line 83)
> [error] private static final Logger logger =
> Logger.getLogger(JavaKinesisWordCountASL.class);
> [error] ^^^^^^
> [error] The field JavaKinesisWordCountASL.logger is never read locally
> [error] ----------
> [error] 2. WARNING in
> /home/jenkins/workspace/Spark-Master-SBT/AMPLAB_JENKINS_BUILD_PROFILE/hadoop1.0/label/centos/extras/kinesis-asl/src/main/java/org/apache/spark/examples/streaming/JavaKinesisWordCountASL.java
> (at line 151)
> [error] JavaDStream<String> words = unionStreams.flatMap(new
> FlatMapFunction<byte[], String>() {
> [error]
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> [error] The serializable class does not declare a static final
> serialVersionUID field of type long
> [error] ----------
> [error] 3. ERROR in
> /home/jenkins/workspace/Spark-Master-SBT/AMPLAB_JENKINS_BUILD_PROFILE/hadoop1.0/label/centos/extras/kinesis-asl/src/main/java/org/apache/spark/examples/streaming/JavaKinesisWordCountASL.java
> (at line 153)
> [error] public Iterable<String> call(byte[] line) {
> [error] ^^^^^^^^^^^^^^^^^
> [error] The method call(byte[]) of type new
> FlatMapFunction<byte[],String>(){} must override a superclass method
> [error] ----------
> [error] 4. WARNING in
> /home/jenkins/workspace/Spark-Master-SBT/AMPLAB_JENKINS_BUILD_PROFILE/hadoop1.0/label/centos/extras/kinesis-asl/src/main/java/org/apache/spark/examples/streaming/JavaKinesisWordCountASL.java
> (at line 160)
> [error] new PairFunction<String, String, Integer>() {
> [error] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> [error] The serializable class does not declare a static final
> serialVersionUID field of type long
> [error] ----------
> [error] 5. ERROR in
> /home/jenkins/workspace/Spark-Master-SBT/AMPLAB_JENKINS_BUILD_PROFILE/hadoop1.0/label/centos/extras/kinesis-asl/src/main/java/org/apache/spark/examples/streaming/JavaKinesisWordCountASL.java
> (at line 162)
> [error] public Tuple2<String, Integer> call(String s) {
> [error] ^^^^^^^^^^^^^^
> [error] The method call(String) of type new
> PairFunction<String,String,Integer>(){} must override a superclass method
> [error] ----------
> [error] 6. WARNING in
> /home/jenkins/workspace/Spark-Master-SBT/AMPLAB_JENKINS_BUILD_PROFILE/hadoop1.0/label/centos/extras/kinesis-asl/src/main/java/org/apache/spark/examples/streaming/JavaKinesisWordCountASL.java
> (at line 165)
> [error] }).reduceByKey(new Function2<Integer, Integer, Integer>() {
> [error] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> [error] The serializable class does not declare a static final
> serialVersionUID field of type long
> [error] ----------
> [error] 7. ERROR in
> /home/jenkins/workspace/Spark-Master-SBT/AMPLAB_JENKINS_BUILD_PROFILE/hadoop1.0/label/centos/extras/kinesis-asl/src/main/java/org/apache/spark/examples/streaming/JavaKinesisWordCountASL.java
> (at line 167)
> [error] public Integer call(Integer i1, Integer i2) {
> [error] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> [error] The method call(Integer, Integer) of type new
> Function2<Integer,Integer,Integer>(){} must override a superclass method
> [error] ----------
> [error] 7 problems (3 errors, 4 warnings)
> {code}
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