[GitHub] [ozone] cchenax commented on a change in pull request #2684: HDDS-5786 datanode start failed due to empty datanode id file

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

cchenax commented on a change in pull request #2684:
URL: https://github.com/apache/ozone/pull/2684#discussion_r724754124



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File path: hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/helpers/DatanodeIdYaml.java
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@@ -105,6 +106,12 @@ public static DatanodeDetails readDatanodeIdFile(File path)
           .setCurrentVersion(datanodeDetailsYaml.getCurrentVersion());
 
       datanodeDetails = builder.build();
+    } catch (NullPointerException e) {

Review comment:
       the error detail is not exist,but we cluster has this problem that such as uuid was lost




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