hello problem with mina logger

[islam alnaggar]

hello i decided mina to start my own server but some problem apear in front
of me
it's says

Exception in thread "main" java.lang.StackOverflowError
        at java.util.HashMap.get(HashMap.java:300)
        at org.slf4j.impl.JCLLoggerFactory.getLogger(JCLLoggerFactory.java
:67)
        at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:88)
        at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(
SLF4JLogFactory.java:155)
        at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:221)
        at org.slf4j.impl.JCLLoggerFactory.getLogger(JCLLoggerFactory.java
:69)
        at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:88)


help please