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https://issues.apache.org/jira/browse/HADOOP-16174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated HADOOP-16174:
------------------------------------
Resolution: Fixed
Fix Version/s: 3.3.0
Status: Resolved (was: Patch Available)
applied to 3.3 only; this doesn't apply to branch-3.2, which seemingly doesn't
have HADOOP-15851 in after all. Do you want both the original patch and this
one in branch-3.2? Seems good to me
> Disable wildfly logs to the console
> -----------------------------------
>
> Key: HADOOP-16174
> URL: https://issues.apache.org/jira/browse/HADOOP-16174
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs/azure
> Affects Versions: 3.2.1
> Reporter: Denes Gerencser
> Assignee: Denes Gerencser
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: HADOOP-16174-001.patch, HADOOP-16174.002.patch
>
>
> We experience that the wildfly log
> {code:java}
> Mar 06, 2019 4:33:53 PM org.wildfly.openssl.SSL init
> INFO: WFOPENSSL0002 OpenSSL Version OpenSSL 1.0.2g 1 Mar 2016
> {code}
> (sometimes) appears on the console but it should never. Note: this is a
> consequence of HADOOP-15851.
> Our analysis shows the reason is that
> {code:java}
> java.util.logging.Logger.getLogger()
> {code}
> is not guaranteed to always return the _same_ logger instance so
> SSLSocketFactoryEx may set log level on different logger object than the one
> used by wildfly-openssl
> ([https://github.com/wildfly/wildfly-openssl/blob/ace72ba07d0c746b6eb46635f4a8b122846c47c8/java/src/main/java/org/wildfly/openssl/SSL.java#L196)].
> From javadoc of java.util.logging.Logger.getLogger:
> 'Note: The LogManager may only retain a weak reference to the newly created
> Logger. It is important to understand that a previously created Logger with
> the given name may be garbage collected at any time if there is no strong
> reference to the Logger. In particular, this means that two back-to-back
> calls like{{getLogger("MyLogger").log(...)}} may use different Logger objects
> named "MyLogger" if there is no strong reference to the Logger named
> "MyLogger" elsewhere in the program.'
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