[GitHub] [hadoop] xinglin commented on a change in pull request #4089: HDFS-16515. Improve ec exception message

[GitBox <gi...@apache.org>]

xinglin commented on a change in pull request #4089:
URL: https://github.com/apache/hadoop/pull/4089#discussion_r832768475



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File path: hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirErasureCodingOp.java
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@@ -168,8 +168,8 @@ static FileStatus setErasureCodingPolicy(final FSNamesystem fsn,
       throw new FileNotFoundException("Path not found: " + srcIIP.getPath());
     }
     if (!inode.isDirectory()) {
-      throw new IOException("Attempt to set an erasure coding policy " +
-          "for a file " + src);
+      throw new IOException("Cannot set an erasure coding policy " +
+          "for a file " + src + ". Expected to be a directory");

Review comment:
       nit: "Expected to be a directory" -> "Erasure coding policy can only be set for directories."




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