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Diffstat (limited to 'core')
| -rw-r--r-- | core/src/main/scala/org/apache/spark/util/Utils.scala | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/core/src/main/scala/org/apache/spark/util/Utils.scala b/core/src/main/scala/org/apache/spark/util/Utils.scala index d9a671687a..0b5a914e7d 100644 --- a/core/src/main/scala/org/apache/spark/util/Utils.scala +++ b/core/src/main/scala/org/apache/spark/util/Utils.scala @@ -1876,6 +1876,10 @@ private[spark] object Utils extends Logging { startService: Int => (T, Int), conf: SparkConf, serviceName: String = ""): (T, Int) = { + + require(startPort == 0 || (1024 <= startPort && startPort < 65536), + "startPort should be between 1024 and 65535 (inclusive), or 0 for a random free port.") + val serviceString = if (serviceName.isEmpty) "" else s" '$serviceName'" val maxRetries = portMaxRetries(conf) for (offset <- 0 to maxRetries) { |