pjfanning commented on code in PR #7022:
URL: https://github.com/apache/hadoop/pull/7022#discussion_r1935597266
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hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java:
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@@ -846,9 +846,27 @@ private T runWithRetry() throws IOException {
node = url.getAuthority();
}
try {
- IOException newIoe = ioe.getClass().getConstructor(String.class)
- .newInstance(node + ": " + ioe.getMessage());
- newIoe.initCause(ioe.getCause());
+ final Throwable cause = ioe.getCause();
+ IOException newIoe = null;
+ if (cause != null) {
+ try {
+ ioe.getClass().getConstructor(String.class, Throwable.class)
Review Comment:
I'll have a look. I have noticed that Hadoop has a very large amount of
Reflection still in use. That is, the Dyn* classes are only used in a small
number of places while there are dozens or even hundreds of uses of raw
Reflection.
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