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Posted to issues@spark.apache.org by "Patrick Wendell (JIRA)" <ji...@apache.org> on 2014/10/21 02:35:33 UTC
[jira] [Created] (SPARK-4021) Kinesis code can cause compile
failures with newer JVM's
Patrick Wendell created SPARK-4021:
--------------------------------------
Summary: Kinesis code can cause compile failures with newer JVM's
Key: SPARK-4021
URL: https://issues.apache.org/jira/browse/SPARK-4021
Project: Spark
Issue Type: Bug
Components: Streaming
Environment: JDK 7u71
Reporter: Patrick Wendell
When compiled with JDK7u71, the Spark build failed due to these issues:
{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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