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https://issues.apache.org/jira/browse/SPARK-1084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tony Stevenson updated SPARK-1084:
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Reporter: Sean Owen (was: Sean Owen)
> Fix most build warnings
> -----------------------
>
> Key: SPARK-1084
> URL: https://issues.apache.org/jira/browse/SPARK-1084
> Project: Spark
> Issue Type: Improvement
> Components: Build
> Affects Versions: 0.9.0
> Reporter: Sean Owen
> Assignee: Sean Owen
> Priority: Minor
> Labels: mvn, sbt, warning
> Fix For: 1.0.0
>
>
> I hope another boring tidy-up JIRA might be welcome. I'd like to fix most of
> the warnings that appear during build, so that developers don't become
> accustomed to them. The accompanying pull request contains a number of
> commits to quash most warnings observed through the mvn and sbt builds,
> although not all of them.
> FIXED!
> [WARNING] Parameter tasks is deprecated, use target instead
> Just a matter of updating <tasks> -> <target> in inline Ant scripts.
> WARNING: -p has been deprecated and will be reused for a different (but still
> very cool) purpose in ScalaTest 2.0. Please change all uses of -p to -R.
> Goes away with updating scalatest plugin -> 1.0-RC2
> [WARNING] Note:
> /Users/srowen/Documents/incubator-spark/core/src/test/scala/org/apache/spark/JavaAPISuite.java
> uses unchecked or unsafe operations.
> [WARNING] Note: Recompile with -Xlint:unchecked for details.
> Mostly @SuppressWarnings("unchecked") but needed a few more things to reveal
> the warning source: <fork>true</fork> (also needd for <maxmem>) and version
> 3.1 of the plugin. In a few cases some declaration changes were appropriate
> to avoid warnings.
> /Users/srowen/Documents/incubator-spark/core/src/main/scala/org/apache/spark/util/IndestructibleActorSystem.scala:25:
> warning: Could not find any member to link for "akka.actor.ActorSystem".
> /**
> ^
> Getting several scaladoc errors like this and I'm not clear why it can't find
> the type -- outside its module? Remove the links as they're evidently not
> linking anyway?
> /Users/srowen/Documents/incubator-spark/repl/src/main/scala/org/apache/spark/repl/SparkIMain.scala:86:
> warning: Variable eval undefined in comment for class SparkIMain in class
> SparkIMain
> $ has to be escaped as \$ in scaladoc, apparently
> [WARNING]
> 'dependencyManagement.dependencies.dependency.exclusions.exclusion.artifactId'
> for org.apache.hadoop:hadoop-yarn-client:jar with value '*' does not match a
> valid id pattern. @ org.apache.spark:spark-parent:1.0.0-incubating-SNAPSHOT,
> /Users/srowen/Documents/incubator-spark/pom.xml, line 494, column 25
> This one might need review.
> This is valid Maven syntax, but, Maven still warns on it. I wanted to see if
> we can do without it.
> These are trying to exclude:
> - org.codehaus.jackson
> - org.sonatype.sisu.inject
> - org.xerial.snappy
> org.sonatype.sisu.inject doesn't actually seem to be a dependency anyway.
> org.xerial.snappy is used by dependencies but the version seems to match
> anyway (1.0.5).
> org.codehaus.jackson was intended to exclude 1.8.8, since Spark streaming
> wants 1.9.11 directly. But the exclusion is in the wrong place if so, since
> Spark depends straight on Avro, which is what brings in 1.8.8, still.
> (hadoop-client 1.0.4 includes Jackson 1.0.1, so that needs an exclusion, but
> the other Hadoop modules don't.)
> HBase depends on 1.8.8 but figured it was intentional to leave that as it
> would not collide with Spark streaming. (?)
> (I understand this varies by Hadoop version but confirmed this is all the
> same for 1.0.4, 0.23.7, 2.2.0.)
> NOT FIXED.
> [warn]
> /Users/srowen/Documents/incubator-spark/streaming/src/test/scala/org/apache/spark/streaming/InputStreamsSuite.scala:305:
> method connect in class IOManager is deprecated: use the new implementation
> in package akka.io instead
> [warn] override def preStart = IOManager(context.system).connect(new
> InetSocketAddress(port))
> Not confident enough to fix this.
> [WARNING] there were 6 feature warning(s); re-run with -feature for details
> Don't know enough Scala to address these, yet.
> [WARNING] We have a duplicate
> org/yaml/snakeyaml/scanner/ScannerImpl$Chomping.class in
> /Users/srowen/.m2/repository/org/yaml/snakeyaml/1.6/snakeyaml-1.6.jar
> Probably addressable by being more careful about how binaries are packed
> though this appear to be ignorable; two identical copies of the class are
> colliding.
> [WARNING] Zinc server is not available at port 3030 - reverting to normal
> incremental compile
> and
> [WARNING] JAR will be empty - no content was marked for inclusion!
> Apparently harmless warnings, but I don't know how to disable them.
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