Gabor Somogyi created SPARK-23422:
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Summary: YarnShuffleIntegrationSuite failure when
SPARK_PREPEND_CLASSES set to 1
Key: SPARK-23422
URL: https://issues.apache.org/jira/browse/SPARK-23422
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 2.3.0
Reporter: Gabor Somogyi
YarnShuffleIntegrationSuite fails when SPARK_PREPEND_CLASSES set to 1.
Normally mllib built before yarn module. When SPARK_PREPEND_CLASSES used mllib
classes are on yarn test classpath.
Before 2.3 that did not cause issues. But 2.3 has SPARK-22450, which
registered some mllib classes with the kryo serializer. Now it dies with the
following error:
{code:java}
18/02/13 07:33:29 INFO SparkContext: Starting job: collect at
YarnShuffleIntegrationSuite.scala:143
Exception in thread "dag-scheduler-event-loop" java.lang.NoClassDefFoundError:
breeze/linalg/DenseMatrix
{code}
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