Joe McDonnell has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/17802 )

Change subject: IMPALA-10876: Support to download JWKS from given URL
......................................................................


Patch Set 6: Code-Review+2

(1 comment)

This change is looking good to me. I have one nit, but this looks ready to go 
otherwise.

http://gerrit.cloudera.org:8080/#/c/17802/6/fe/src/test/java/org/apache/impala/customcluster/JwtHttpTest.java
File fe/src/test/java/org/apache/impala/customcluster/JwtHttpTest.java:

http://gerrit.cloudera.org:8080/#/c/17802/6/fe/src/test/java/org/apache/impala/customcluster/JwtHttpTest.java@89
PS6, Line 89:     String srcJwksFilename =
            :         new File(System.getenv("IMPALA_HOME"), 
"testdata/jwt/jwks_rs256.json").getPath();
            :     String dstJwksFilename =
            :         new File(System.getenv("IMPALA_HOME"), 
"www/jwks_test.json").getPath();
            :     List<String> command =
            :         Lists.newArrayList(Arrays.asList("cp", srcJwksFilename, 
dstJwksFilename));
            :     RunShellCommand.Run(command.toArray(new String[0]), 
/*shouldSucceed*/ true, "", "");
Nit: It would be nice to use native Java methods to avoid dropping down to 
shell. It looks like Java's java.nio.file.Files has the methods we need:
https://docs.oracle.com/javase/8/docs/api/java/nio/file/Files.html

This comment applies here and the other copy and remove below.

TestRequestPoolService.java uses a guava equivalent to do this, but I think we 
would prefer the regular Java library rather than using guava:
https://github.com/apache/impala/blob/master/fe/src/test/java/org/apache/impala/util/TestRequestPoolService.java#L50
https://github.com/apache/impala/blob/master/fe/src/test/java/org/apache/impala/util/TestRequestPoolService.java#L100



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ic6ac8cf0010c13db30219776d1d275709bf211df
Gerrit-Change-Number: 17802
Gerrit-PatchSet: 6
Gerrit-Owner: Wenzhe Zhou <[email protected]>
Gerrit-Reviewer: Abhishek Rawat <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Joe McDonnell <[email protected]>
Gerrit-Reviewer: Wenzhe Zhou <[email protected]>
Gerrit-Comment-Date: Mon, 27 Sep 2021 17:28:01 +0000
Gerrit-HasComments: Yes

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