Piotr Karwasz created LOG4J2-3564:
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Summary: NPE in JULLogger.getLevel()
Key: LOG4J2-3564
URL: https://issues.apache.org/jira/browse/LOG4J2-3564
Project: Log4j 2
Issue Type: Bug
Components: Log4j-to-JUL
Affects Versions: 2.17.2
Reporter: Piotr Karwasz
{{JULLogger.getLevel()}} fails with a {{NullPointerException}} if the JUL root
logger has a {{null}} level. This is a common situation in JDK 8+, since
{{LogManager$RootLogger}} does not set the log level any more in its
constructor.
A practical example where it fails is Tomcat's {{ClassLoaderLogManager}}: cf.
[BZ 66184|https://bz.apache.org/bugzilla/show_bug.cgi?id=66184].
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