https://github.com/apache/spark
Revision fefd54d7fa11c22517603d498a6273b237b867ef authored by Kent Yao on 20 April 2022, 06:38:26 UTC, committed by Kent Yao on 20 April 2022, 06:39:37 UTC
### What changes were proposed in this pull request?
TaskLocation.apply w/o NULL check may throw NPE and fail job scheduling
```
Caused by: java.lang.NullPointerException
at scala.collection.immutable.StringLike$class.stripPrefix(StringLike.scala:155)
at scala.collection.immutable.StringOps.stripPrefix(StringOps.scala:29)
at org.apache.spark.scheduler.TaskLocation$.apply(TaskLocation.scala:71)
at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$getPreferredLocsInternal
```
For instance, `org.apache.spark.rdd.HadoopRDD#convertSplitLocationInfo` might generate unexpected `Some(null)` elements where should be replace by `Option.apply`
### Why are the changes needed?
fix NPE
### Does this PR introduce _any_ user-facing change?
no
### How was this patch tested?
new tests
Closes #36222 from yaooqinn/SPARK-38922.
Authored-by: Kent Yao <yao@apache.org>
Signed-off-by: Kent Yao <yao@apache.org>
(cherry picked from commit 33e07f3cd926105c6d28986eb6218f237505549e)
Signed-off-by: Kent Yao <yao@apache.org>
1 parent c7733d3
Tip revision: fefd54d7fa11c22517603d498a6273b237b867ef authored by Kent Yao on 20 April 2022, 06:38:26 UTC
[SPARK-38922][CORE] TaskLocation.apply throw NullPointerException
[SPARK-38922][CORE] TaskLocation.apply throw NullPointerException
Tip revision: fefd54d
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