Marcono1234 created LOG4J2-3030:
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Summary: Log4jBridgeHandler.install should be synchronized and
check if already installed
Key: LOG4J2-3030
URL: https://issues.apache.org/jira/browse/LOG4J2-3030
Project: Log4j 2
Issue Type: Improvement
Components: JUL adapter
Affects Versions: 3.0.0
Reporter: Marcono1234
The method
[{{Log4jBridgeHandler.install}}|https://github.com/apache/logging-log4j2/blob/8abfd929a9c6f5ff66a734d7c37e4fd72a3baaa7/log4j-jul/src/main/java/org/apache/logging/log4j/jul/Log4jBridgeHandler.java#L105]
is quite useful when installing the Log4j 2 handler from code, however it has
the following disadvantages:
# It is not synchronized
# It does not check if a Log4j 2 handler is already installed
This is problematic when a project has multiple entry points and therefore has
to call {{Log4jBridgeHandler.install}} from multiple places (even when
happening in a {{static}} initializer because they can run concurrently for
different classes), or when other dependencies of a project call the method.
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