zentol commented on a change in pull request #7420: [FLINK-11272][flink-yarn] 
Support for parsing multiple --yarnship par…
URL: https://github.com/apache/flink/pull/7420#discussion_r249005048
 
 

 ##########
 File path: 
flink-yarn/src/main/java/org/apache/flink/yarn/cli/FlinkYarnSessionCli.java
 ##########
 @@ -311,14 +311,16 @@ private AbstractYarnClusterDescriptor createDescriptor(
                }
 
                List<File> shipFiles = new ArrayList<>();
-               // path to directory to ship
+               // path to directories to ship
                if (cmd.hasOption(shipPath.getOpt())) {
-                       String shipPath = 
cmd.getOptionValue(this.shipPath.getOpt());
-                       File shipDir = new File(shipPath);
-                       if (shipDir.isDirectory()) {
-                               shipFiles.add(shipDir);
-                       } else {
-                               LOG.warn("Ship directory is not a directory. 
Ignoring it.");
+                       String[] shipPaths = 
cmd.getOptionValues(this.shipPath.getOpt());
+                       for (String shipPath : shipPaths) {
+                               File shipDir = new File(shipPath);
+                               if (shipDir.isDirectory()) {
+                                       shipFiles.add(shipDir);
+                               } else {
+                                       LOG.warn("Ship directory {} is not a 
directory. Ignoring it.", shipDir.getAbsolutePath());
 
 Review comment:
   @aljoscha Why do we now allow files to be shipped? Is this a yarn limitation 
that we mirror here?

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