spring-integration/org.springframework.integration/src/test/java/log4j.properties

log4j.rootCategory=WARN, stdout

log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%c{1}: %m%n

log4j.category.org.springframework.integration=INFO