andreAmorimF opened a new pull request #4074:
URL: https://github.com/apache/hadoop/pull/4074


   ### Description of PR
   
   `org.wildfly.openssl` is a runtime library and its references are being 
shaded on Hadoop, breaking the integration with other frameworks like Spark, 
whenever the "fs.s3a.ssl.channel.mode" is set to "openssl". The error produced 
in this situation is:
   
   ```
   Suppressed: java.lang.NoClassDefFoundError: 
org/apache/hadoop/shaded/org/wildfly/openssl/OpenSSLProvider
   ```
   
   This PR aims to exclude `org.wildfly.openssl` from the shade, keeping the 
original namespace to be referenced whenever this runtime dependency is added 
to the classpath. 
   
   ### How was this patch tested?
   
   Used the patched jar on a Spark 3.2.1 application which now correctly 
references the `org.wildfly.openssl` dependency added to the classpath.
   
   ### For code changes:
   
   - [ ] Does the title or this PR starts with the corresponding JIRA issue id 
(e.g. 'HADOOP-17799. Your PR title ...')?
   - [ ] Object storage: have the integration tests been executed and the 
endpoint declared according to the connector-specific documentation?
   - [ ] If adding new dependencies to the code, are these dependencies 
licensed in a way that is compatible for inclusion under [ASF 
2.0](http://www.apache.org/legal/resolved.html#category-a)?
   - [ ] If applicable, have you updated the `LICENSE`, `LICENSE-binary`, 
`NOTICE-binary` files?
   
   


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