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https://issues.apache.org/jira/browse/SPARK-21185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16060296#comment-16060296
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Hyukjin Kwon commented on SPARK-21185:
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Yea, I believe this is a duplicate of
https://issues.apache.org/jira/browse/SPARK-20840
> Spurious errors in unidoc causing PRs to fail
> ---------------------------------------------
>
> Key: SPARK-21185
> URL: https://issues.apache.org/jira/browse/SPARK-21185
> Project: Spark
> Issue Type: Bug
> Components: Build
> Affects Versions: 2.2.0
> Reporter: Tathagata Das
> Assignee: Hyukjin Kwon
>
> Some PRs are failing because of unidoc throwing random errors. When
> GenJavaDoc generates Java files from Scala files, the generated java files
> can have errors in them. When JavaDoc attempts to generate docs on these
> generated java files, it throws errors. Usually, the errors are marked as
> warnings, so the unidoc does not fail the build.
> Example -
> https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/78270/consoleFull
> {code}
> [info] Constructing Javadoc information...
> [warn]
> /home/jenkins/workspace/SparkPullRequestBuilder/core/target/java/org/apache/spark/scheduler/BlacklistTracker.java:117:
> error: ExecutorAllocationClient is not public in org.apache.spark; cannot be
> accessed from outside package
> [warn] public BlacklistTracker
> (org.apache.spark.scheduler.LiveListenerBus listenerBus,
> org.apache.spark.SparkConf conf,
> scala.Option<org.apache.spark.ExecutorAllocationClient> allocationClient,
> org.apache.spark.util.Clock clock) { throw new RuntimeException(); }
> [warn]
> ^
> [warn]
> /home/jenkins/workspace/SparkPullRequestBuilder/core/target/java/org/apache/spark/scheduler/BlacklistTracker.java:118:
> error: ExecutorAllocationClient is not public in org.apache.spark; cannot be
> accessed from outside package
> [warn] public BlacklistTracker (org.apache.spark.SparkContext sc,
> scala.Option<org.apache.spark.ExecutorAllocationClient> allocationClient) {
> throw new RuntimeException(); }
> {code}
> However in some PR builds these are marked as errors, thus causing the build
> to fail due to unidoc. Example -
> https://github.com/apache/spark/pull/18355
> https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/78484/consoleFull
> {code}
> [info] Constructing Javadoc information...
> [error]
> /home/jenkins/workspace/SparkPullRequestBuilder@3/core/target/java/org/apache/spark/scheduler/BlacklistTracker.java:117:
> error: ExecutorAllocationClient is not public in org.apache.spark; cannot be
> accessed from outside package
> [error] public BlacklistTracker
> (org.apache.spark.scheduler.LiveListenerBus listenerBus,
> org.apache.spark.SparkConf conf,
> scala.Option<org.apache.spark.ExecutorAllocationClient> allocationClient,
> org.apache.spark.util.Clock clock) { throw new RuntimeException(); }
> [error]
> ^
> [error]
> /home/jenkins/workspace/SparkPullRequestBuilder@3/core/target/java/org/apache/spark/scheduler/BlacklistTracker.java:118:
> error: ExecutorAllocationClient is not public in org.apache.spark; cannot be
> accessed from outside package
> [error] public BlacklistTracker (org.apache.spark.SparkContext sc,
> scala.Option<org.apache.spark.ExecutorAllocationClient> allocationClient) {
> throw new RuntimeException(); }
> [error]
> {code}
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