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Jeff Hammerbacher commented on SPARK-3647: ------------------------------------------ Should this issue have a Fix version set? > Shaded Guava patch causes access issues with package private classes > -------------------------------------------------------------------- > > Key: SPARK-3647 > URL: https://issues.apache.org/jira/browse/SPARK-3647 > Project: Spark > Issue Type: Bug > Components: Spark Core > Affects Versions: 1.2.0 > Reporter: Marcelo Vanzin > Assignee: Marcelo Vanzin > Priority: Critical > > The patch that introduced shading to Guava (SPARK-2848) tried to maintain > backwards compatibility in the Java API by not relocating the "Optional" > class. That causes problems when that class references package private > members in the Absent and Present classes, which are now in a different > package: > {noformat} > Exception in thread "main" java.lang.IllegalAccessError: tried to access > class org.spark-project.guava.common.base.Present from class > com.google.common.base.Optional > at com.google.common.base.Optional.of(Optional.java:86) > at > org.apache.spark.api.java.JavaUtils$.optionToOptional(JavaUtils.scala:25) > at > org.apache.spark.api.java.JavaSparkContext.getSparkHome(JavaSparkContext.scala:542) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org