HyukjinKwon commented on a change in pull request #32126:
URL: https://github.com/apache/spark/pull/32126#discussion_r611320198
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File path:
resource-managers/yarn/src/test/scala/org/apache/spark/deploy/yarn/BaseYarnClusterSuite.scala
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@@ -90,9 +90,31 @@ abstract class BaseYarnClusterSuite
yarnConf.set("yarn.scheduler.capacity.root.default.acl_administer_queue",
"*")
yarnConf.setInt("yarn.scheduler.capacity.node-locality-delay", -1)
- yarnCluster = new MiniYARNCluster(getClass().getName(), 1, 1, 1)
- yarnCluster.init(yarnConf)
- yarnCluster.start()
+ try {
+ yarnCluster = new MiniYARNCluster(getClass().getName(), 1, 1, 1)
+ yarnCluster.init(yarnConf)
+ yarnCluster.start()
+ } catch {
+ case _: java.net.BindException =>
+ // When InetAddress.getLocalHost returns a wrong address, see also
SPARK-35002.
+ val original = System.getSecurityManager
+ System.setSecurityManager(new java.lang.SecurityManager() {
+ override def checkConnect(host: String, port: Int): Unit = {
+ if (host != "localhost" || host != "127.0.0.1") {
+ // Reject all hosts except loopback.
+ throw new SecurityException("Loopback only allowed")
Review comment:
This forces `InetAddress.getLocalHost` to return the loopback address.
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