Application log4j initialization fails with 'NoSuchFieldError: EMPTY_BYTE_ARRAY' on EAP 7

Issue

• We see the following error in application start up:

Caused by: java.lang.NoSuchFieldError: EMPTY_BYTE_ARRAY
    at org.apache.logging.log4j.core.config.ConfigurationSource.<clinit>(ConfigurationSource.java:56)
    at org.apache.logging.log4j.core.config.NullConfiguration.<init>(NullConfiguration.java:32)
    at org.apache.logging.log4j.core.LoggerContext.<clinit>(LoggerContext.java:85)
    at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.createContext(ClassLoaderContextSelector.java:254)
    at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.locateContext(ClassLoaderContextSelector.java:218)
    at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:140)
    at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:123)
    at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:230)
    at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:47)
    at org.apache.logging.log4j.LogManager.getContext(LogManager.java:174)
    at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:664)