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## Package org.apache.log4j

Log4j 1.x compatibility layer.

See:
Description

Interface Summary
Appender | Implement this interface for your own strategies for outputting log statements.

Class Summary
BasicConfigurator | Provided for compatibility with Log4j 1.x.
Category | Implementation of the Category class for compatibility, despite it having been deprecated a long, long time ago.
Layout |
Level | Defines the minimum set of levels recognized by the system, that is `OFF`, `FATAL`, `ERROR`, `WARN`, `INFO`, `DEBUG` and `ALL`.
Logger |
LogManager |
MDC | This class behaves just like Log4j's MDC would - and so can cause issues with the redeployment of web applications if the Objects stored in the threads Map cannot be garbage collected.
NDC |
PatternLayout |
Priority | Refrain from using this class directly, use the `Level` class instead.
PropertyConfigurator | A configurator for properties.

## Package org.apache.log4j Description

Log4j 1.x compatibility layer.

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