janhoy commented on code in PR #1923:
URL: https://github.com/apache/solr/pull/1923#discussion_r1325979468


##########
solr/core/src/java/org/apache/solr/cli/RunExampleTool.java:
##########
@@ -436,7 +439,10 @@ protected void runCloudExample(CommandLine cli) throws 
Exception {
 
     boolean prompt = !cli.hasOption("noprompt");
     int numNodes = 2;
-    int[] cloudPorts = new int[] {8983, 7574, 8984, 7575};
+    int defaultPort =
+        Integer.parseInt(
+            cli.getOptionValue('p', 
SystemUtils.getEnvironmentVariable("SOLR_PORT", "8983")));
+    int[] cloudPorts = new int[] {defaultPort, defaultPort + 1, defaultPort + 
2, defaultPort + 3};

Review Comment:
   Yep. Of course this will ruin tutorials out there that assume something. So 
perhaps we should make the default as they were, but if `SOLR_HOST` or `-p` is 
given, we override those defaults like here?



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