[SPARK-3756] [Core]check exception is caused by an address-port colli…

…sion properly

Jetty server use MultiException to handle exceptions when start server
refer https://github.com/eclipse/jetty.project/blob/jetty-8.1.14.v20131031/jetty-server/src/main/java/org/eclipse/jetty/server/Server.java

So in ```isBindCollision``` add the logical to cover MultiException

Author: scwf <wangfei1@huawei.com>

Closes apache#2611 from scwf/fix-isBindCollision and squashes the following commits:

984cb12 [scwf] optimize the fix
3a6c849 [scwf] fix bug in isBindCollision

core/src/main/scala/org/apache/spark/util/Utils.scala

@@ -23,6 +23,8 @@ import java.nio.ByteBuffer
 import java.util.{Properties, Locale, Random, UUID}
 import java.util.concurrent.{ThreadFactory, ConcurrentHashMap, Executors, ThreadPoolExecutor}
 
+import org.eclipse.jetty.util.MultiException
+
 import scala.collection.JavaConversions._
 import scala.collection.Map
 import scala.collection.mutable.ArrayBuffer
@@ -1470,6 +1472,7 @@ private[spark] object Utils extends Logging {
           return true
         }
         isBindCollision(e.getCause)
+      case e: MultiException => e.getThrowables.exists(isBindCollision)
       case e: Exception => isBindCollision(e.getCause)
       case _ => false
     }