virajjasani commented on a change in pull request #3684:
URL: https://github.com/apache/hadoop/pull/3684#discussion_r762794855
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImage.java
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@@ -582,12 +582,12 @@ void doImportCheckpoint(FSNamesystem target) throws
IOException {
if (checkpointDirs == null || checkpointDirs.isEmpty()) {
throw new IOException("Cannot import image from a checkpoint. "
- + "\"dfs.namenode.checkpoint.dir\" is not set." );
+ + "\"dfs.namenode.checkpoint.dir\" is not set.");
}
if (checkpointEditsDirs == null || checkpointEditsDirs.isEmpty()) {
Review comment:
Btw `checkpointDirs` and `checkpointEditsDirs` will not be null as they
are assigned values returned by `FSImage.getCheckpointDirs` and
`FSImage.getCheckpointEditsDirs` respectively.
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