Logging

Composite Recipes

Recipes that include further recipes, often including the individual recipes below.

• Find Kotlin logging smells
• Find LoggerFactory.getLogger migration candidates
• Find eager log-message construction
• Find legacy logger-library usage
• Find logger declaration smells
• Find println / System.err.println / printStackTrace
• Find redundant logger level-check guards

Recipes

• Find LoggerFactory.getLogger("some-name") calls
• Find LoggerFactory.getLogger(SomeClass::class.java) calls
• Find LoggerFactory.getLogger(this::class.java) calls
• Find System.err.println(...) calls
• Find Throwable.printStackTrace() calls
• Find companion-object loggers missing private
• Find e.printStackTrace(out) calls
• Find eager string interpolation in log.debug(...)
• Find eager string interpolation in log.error(...)
• Find eager string interpolation in log.info(...)
• Find eager string interpolation in log.trace(...)
• Find eager string interpolation in log.warn(...)
• Find if (log.isDebugEnabled) ... guards
• Find if (log.isErrorEnabled) ... guards
• Find if (log.isInfoEnabled) ... guards
• Find if (log.isTraceEnabled) ... guards
• Find if (log.isWarnEnabled) ... guards
• Find java.util.logging.Logger.getLogger(...) calls
• Find julLogger.log(level, msg) and level-specific julLogger.fine/info/severe/... calls
• Find loggers declared as instance fields (one per object)
• Find org.apache.log4j.Logger references
• Find println(...) calls
• Find string concatenation in log.debug(...)
• Find string concatenation in log.error(...)
• Find string concatenation in log.info(...)
• Find string concatenation in log.trace(...)
• Find string concatenation in log.warn(...)
• Find top-level/companion logger fields named log