KeeProMise commented on code in PR #6697:
URL: https://github.com/apache/hadoop/pull/6697#discussion_r1552627925
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hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterRpcServer.java:
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@@ -1089,13 +1089,7 @@ public DatanodeInfo[]
getDatanodeReport(DatanodeReportType type)
DatanodeInfo[] getCachedDatanodeReport(DatanodeReportType type)
throws IOException {
try {
- DatanodeInfo[] dns = this.dnCache.get(type);
- if (dns == null) {
- LOG.debug("Get null DN report from cache");
- dns = getCachedDatanodeReportImpl(type);
- this.dnCache.put(type, dns);
- }
- return dns;
+ return this.dnCache.get(type);
Review Comment:
@slfan1989 @ayushtkn Thanks for your review, this modification is just to
test whether spotbug will pass. Why do I still report spotbugs exception after
deleting the relevant code?
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