[SPARK-4021] Issues observed after upgrading Jenkins to JDK7u71

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Component/s: Project Infra

Environment

JDK 7u71

• Target Version/s: 1.2.0
• Assignee: Shane Knapp
• Reporter: Patrick Wendell
• Created: 21/Oct/14 00:34
• Updated: 23/Oct/14 20:36
• Resolved: 21/Oct/14 22:58

Description

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).

[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)