java.lang.NoClassDefFoundError: java
java.lang.NoClassDefFoundError: java/io
java.lang.NoClassDefFoundError: java/net
java.lang.NoClassDefFoundError: java/lang
java.lang.NoClassDefFoundError: java/security
java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:324)
	at edu.mit.simile.piggyBank.classLoader.ClassWrapper.callMethod(ClassWrapper.java:99)
Caused by: java.lang.ExceptionInInitializerError
	at edu.mit.simile.piggyBank.PiggyBank.createWebServer(PiggyBank.java:195)
	at edu.mit.simile.piggyBank.PiggyBank.startup(PiggyBank.java:141)
	... 5 more
Caused by: org.apache.commons.logging.LogConfigurationException: org.apache.commons.logging.LogConfigurationException: No suitable Log constructor [Ljava.lang.Class;@6998b9 for org.apache.commons.logging.impl.Log4JLogger (Caused by java.lang.NoClassDefFoundError: org/apache/log4j/Category) (Caused by org.apache.commons.logging.LogConfigurationException: No suitable Log constructor [Ljava.lang.Class;@6998b9 for org.apache.commons.logging.impl.Log4JLogger (Caused by java.lang.NoClassDefFoundError: org/apache/log4j/Category))
	at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:543)
	at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:235)
	at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:209)
	at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:351)
	at org.mortbay.util.Container.<clinit>(Container.java:39)
	... 7 more
Caused by: org.apache.commons.logging.LogConfigurationException: No suitable Log constructor [Ljava.lang.Class;@6998b9 for org.apache.commons.logging.impl.Log4JLogger (Caused by java.lang.NoClassDefFoundError: org/apache/log4j/Category)
	at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:413)
	at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:529)
	... 11 more
Caused by: java.lang.NoClassDefFoundError: org/apache/log4j/Category
	at java.lang.Class.getDeclaredConstructors0(Native Method)
	at java.lang.Class.privateGetDeclaredConstructors(Class.java:1618)
	at java.lang.Class.getConstructor0(Class.java:1930)
	at java.lang.Class.getConstructor(Class.java:1027)
	at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:410)
	... 12 more