This will recursively find all log4j-core JAR files, starting from the current directory, and remove the vulnerable JndiLookup class from them. For example, logging the string Running $" org/apache/logging/log4j/core/lookup/JndiLookup.class \ This feature enables certain special strings to be replaced, at the time of logging, by other dynamically-generated strings. Log4j2 supports by default a logging feature called “ Message Lookup Substitution ”. What causes the Log4j Log4Shell vulnerability?
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