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Josh Rosen authored
## What changes were proposed in this pull request? It looks like the nightly Maven snapshots broke after we set `JAVA_7_HOME` in the build: https://amplab.cs.berkeley.edu/jenkins/view/Spark%20Packaging/job/spark-master-maven-snapshots/1573/. It seems that passing `-javabootclasspath` to ScalaDoc using scala-maven-plugin ends up preventing the Scala library classes from being added to scalac's internal class path, causing compilation errors while building doc-jars. There might be a principled fix to this inside of the scala-maven-plugin itself, but for now this patch configures the build to omit the `-javabootclasspath` option during Maven doc-jar generation. ## How was this patch tested? Tested manually with `build/mvn clean install -DskipTests=true` when `JAVA_7_HOME` was set. Also manually inspected the effective POM diff to verify that the final POM changes were scoped correctly: https://gist.github.com/JoshRosen/f889d1c236fad14fa25ac4be01654653 /cc vanzin and yhuai for review. Author: Josh Rosen <joshrosen@databricks.com> Closes #13573 from JoshRosen/SPARK-15839.
Josh Rosen authored## What changes were proposed in this pull request? It looks like the nightly Maven snapshots broke after we set `JAVA_7_HOME` in the build: https://amplab.cs.berkeley.edu/jenkins/view/Spark%20Packaging/job/spark-master-maven-snapshots/1573/. It seems that passing `-javabootclasspath` to ScalaDoc using scala-maven-plugin ends up preventing the Scala library classes from being added to scalac's internal class path, causing compilation errors while building doc-jars. There might be a principled fix to this inside of the scala-maven-plugin itself, but for now this patch configures the build to omit the `-javabootclasspath` option during Maven doc-jar generation. ## How was this patch tested? Tested manually with `build/mvn clean install -DskipTests=true` when `JAVA_7_HOME` was set. Also manually inspected the effective POM diff to verify that the final POM changes were scoped correctly: https://gist.github.com/JoshRosen/f889d1c236fad14fa25ac4be01654653 /cc vanzin and yhuai for review. Author: Josh Rosen <joshrosen@databricks.com> Closes #13573 from JoshRosen/SPARK-15839.
