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Posted to log4j-dev@logging.apache.org by "Gary Gregory (JIRA)" <ji...@apache.org> on 2015/06/01 18:27:17 UTC
[jira] [Comment Edited] (LOG4J2-1025) Custom
java.util.logging.Level gives null Log4j Level
[ https://issues.apache.org/jira/browse/LOG4J2-1025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14567515#comment-14567515 ]
Gary Gregory edited comment on LOG4J2-1025 at 6/1/15 4:27 PM:
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This patch maps custom JUL levels to their nearest default Log4j Levels.
Looking for feedback...
was (Author: garydgregory):
This patch maps custom JUL levels to their nearest default Log4j Levels.
> Custom java.util.logging.Level gives null Log4j Level
> -----------------------------------------------------
>
> Key: LOG4J2-1025
> URL: https://issues.apache.org/jira/browse/LOG4J2-1025
> Project: Log4j 2
> Issue Type: Bug
> Components: JUL adapter
> Affects Versions: 2.3
> Reporter: Mikael Ståldal
> Attachments: LOG4J2-1025.patch
>
>
> I use a 3rd party library which uses custom non-standard java.util.logging.Level.
> The Log4j JUL adapter will emit log event with level set to null in that case, which causes NullPointerException in a Log4j filter further on.
> This is not acceptable. When encountering an unrecognised JUL Level, the JUL adapter should either:
> - emit some default Log4j Level
> - throw an Exception with a clear error message immediately
> - silently discard the log event
> - discard the log event and log a warning to the StatusLogger
> {code}
> java.lang.NullPointerException
> at org.apache.logging.log4j.Level.isMoreSpecificThan(Level.java:163)
> at org.apache.logging.log4j.core.filter.BurstFilter.filter(BurstFilter.java:129)
> at org.apache.logging.log4j.core.filter.BurstFilter.filter(BurstFilter.java:101)
> at org.apache.logging.log4j.core.Logger$PrivateConfig.filter(Logger.java:295)
> at org.apache.logging.log4j.core.Logger.isEnabled(Logger.java:122)
> at org.apache.logging.log4j.spi.ExtendedLoggerWrapper.isEnabled(ExtendedLoggerWrapper.java:87)
> at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:699)
> at org.apache.logging.log4j.jul.WrappedLogger.log(WrappedLogger.java:50)
> at org.apache.logging.log4j.jul.ApiLogger.log(ApiLogger.java:106)
> {code}
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