Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/3897#discussion_r22906863
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerBackend.scala
---
@@ -118,14 +119,16 @@ private[spark] class MesosSchedulerBackend(
val command = CommandInfo.newBuilder()
.setEnvironment(environment)
val uri = sc.conf.get("spark.executor.uri", null)
+ val executorBackendName = classOf[MesosExecutorBackend].getName
if (uri == null) {
- val executorPath = new File(executorSparkHome,
"/sbin/spark-executor").getCanonicalPath
+ val executorPath = new File(executorSparkHome, s"/bin/spark-class
$executorBackendName")
+ .getCanonicalPath
--- End diff --
This is actually weird, why are we including `$executorBackendName` in the
filename? We should just look for spark-class. I'm not even sure
getCanonicalPath will work on a file that doesn't exist
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