Github user manku-timma commented on the pull request:
https://github.com/apache/spark/pull/322#issuecomment-39676303
@pwendell: I tested your fix to SparkEnv.scala (after reverting my earlier
change). It does not work. SparkEnv's loader turns out to be
`sun.misc.Launcher$AppClassLoader@12360be0` and it fails with the following
error.
```
java.lang.ClassNotFoundException: org/apache/spark/io/LZFCompressionCodec
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:249)
at
org.apache.spark.io.CompressionCodec$.createCodec(CompressionCodec.scala:45)
at
org.apache.spark.io.CompressionCodec$.createCodec(CompressionCodec.scala:41)
at
org.apache.spark.broadcast.HttpBroadcast$.initialize(HttpBroadcast.scala:110)
at
org.apache.spark.broadcast.HttpBroadcastFactory.initialize(HttpBroadcast.scala:71)
at
org.apache.spark.broadcast.BroadcastManager.initialize(Broadcast.scala:82)
at
org.apache.spark.broadcast.BroadcastManager.<init>(Broadcast.scala:69)
at org.apache.spark.SparkEnv$.create(SparkEnv.scala:195)
at org.apache.spark.executor.Executor.<init>(Executor.scala:105)
at
org.apache.spark.executor.MesosExecutorBackend.registered(MesosExecutorBackend.scala:56)
```
My patch to `SparkEnv.scala`:
```
@@ -142,7 +142,10 @@ object SparkEnv extends Logging {
conf.set("spark.driver.port", boundPort.toString)
}
- val classLoader = Thread.currentThread.getContextClassLoader
+ val classLoader = Option(Thread.currentThread.getContextClassLoader)
+ .getOrElse(getClass.getClassLoader)
```
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