liuxunorg commented on a change in pull request #226: SUBMARINE-84. Set random 
port in  TF_CONFIG
URL: https://github.com/apache/submarine/pull/226#discussion_r392074939
 
 

 ##########
 File path: 
submarine-server/server-submitter/submitter-yarnservice/src/main/java/org/apache/submarine/server/submitter/yarnservice/tensorflow/TensorFlowConfigEnvGenerator.java
 ##########
 @@ -19,15 +19,18 @@
 
 package org.apache.submarine.server.submitter.yarnservice.tensorflow;
 
+import java.io.IOException;
+import org.apache.hadoop.net.ServerSocketUtil;
 import org.apache.submarine.commons.runtime.conf.Envs;
 import org.apache.submarine.server.submitter.yarnservice.YarnServiceUtils;
 
 public class TensorFlowConfigEnvGenerator {
 
   public static String getTFConfigEnv(String componentName, int nWorkers,
-      int nPs, String serviceName, String userName, String domain) {
+      int nPs, String serviceName, String userName, String domain) throws 
IOException {
     String commonEndpointSuffix = YarnServiceUtils
-        .getDNSNameCommonSuffix(serviceName, userName, domain, 8000);
+        .getDNSNameCommonSuffix(serviceName, userName, domain,
 
 Review comment:
   Can we limit the port range to avoid this problem?

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