I saw the following StackOverflowError. Unfortunately no time to investigate further currently...

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/Users/aled/.m2/repository/org/slf4j/slf4j-jdk14/1.5.8/slf4j-jdk14-1.5.8.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/Users/aled/.m2/repository/org/slf4j/slf4j-log4j12/1.5.8/slf4j-log4j12-1.5.8.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.

Exception in thread "main" java.lang.StackOverflowError
at java.util.logging.LogRecord.<init>(LogRecord.java:132)
at org.slf4j.impl.JDK14LoggerAdapter.log(JDK14LoggerAdapter.java:583)
at org.slf4j.impl.JDK14LoggerAdapter.log(JDK14LoggerAdapter.java:659)
at org.slf4j.bridge.SLF4JBridgeHandler.callLocationAwareLogger(SLF4JBridgeHandler.java:179)
at org.slf4j.bridge.SLF4JBridgeHandler.publish(SLF4JBridgeHandler.java:254)
at java.util.logging.Logger.log(Logger.java:481)
at org.slf4j.impl.JDK14LoggerAdapter.log(JDK14LoggerAdapter.java:587)
at org.slf4j.impl.JDK14LoggerAdapter.log(JDK14LoggerAdapter.java:659)
at org.slf4j.bridge.SLF4JBridgeHandler.callLocationAwareLogger(SLF4JBridgeHandler.java:179)
at org.slf4j.bridge.SLF4JBridgeHandler.publish(SLF4JBridgeHandler.java:254)
at java.util.logging.Logger.log(Logger.java:481)
at org.slf4j.impl.JDK14LoggerAdapter.log(JDK14LoggerAdapter.java:587)
at org.slf4j.impl.JDK14LoggerAdapter.log(JDK14LoggerAdapter.java:659)
at org.slf4j.bridge.SLF4JBridgeHandler.callLocationAwareLogger(SLF4JBridgeHandler.java:179)
at org.slf4j.bridge.SLF4JBridgeHandler.publish(SLF4JBridgeHandler.java:254)
at java.util.logging.Logger.log(Logger.java:481)
<etc>