David Williams created MAHOUT-1350:
--------------------------------------

             Summary: Bean Utils JarClassLoader Warnings
                 Key: MAHOUT-1350
                 URL: https://issues.apache.org/jira/browse/MAHOUT-1350
             Project: Mahout
          Issue Type: Bug
            Reporter: David Williams
            Priority: Blocker


Hi all,

I am trying to embed a user based recommender in a web service using embedded 
jetty, and spring 3.  However, including the mahout libraries leads to this 
collision.  It means I CANNOT use Mahout in its current implementation.

{code}
JarClassLoader: Warning: org/apache/commons/collections/FastHashMap.class in 
lib/commons-beanutils-1.7.0.jar is hidden by lib/commons-collections-3.2.1.jar 
(with different bytecode)
JarClassLoader: Warning: org/apache/commons/collections/ArrayStack.class in 
lib/commons-beanutils-1.7.0.jar is hidden by lib/commons-collections-3.2.1.jar 
(with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/collections/FastHashMap$Values.class in 
lib/commons-beanutils-1.7.0.jar is hidden by lib/commons-collections-3.2.1.jar 
(with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/collections/FastHashMap$CollectionView$CollectionViewIterator.class
 in lib/commons-beanutils-1.7.0.jar is hidden by 
lib/commons-collections-3.2.1.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/collections/FastHashMap$1.class in 
lib/commons-beanutils-1.7.0.jar is hidden by lib/commons-collections-3.2.1.jar 
(with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/collections/BufferUnderflowException.class in 
lib/commons-beanutils-1.7.0.jar is hidden by lib/commons-collections-3.2.1.jar 
(with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/collections/FastHashMap$KeySet.class in 
lib/commons-beanutils-1.7.0.jar is hidden by lib/commons-collections-3.2.1.jar 
(with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/collections/FastHashMap$CollectionView.class in 
lib/commons-beanutils-1.7.0.jar is hidden by lib/commons-collections-3.2.1.jar 
(with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/collections/FastHashMap$EntrySet.class in 
lib/commons-beanutils-1.7.0.jar is hidden by lib/commons-collections-3.2.1.jar 
(with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/BasicDynaBean.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/BasicDynaClass.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/BeanAccessLanguageException.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/BeanUtils.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/BeanUtilsBean$1.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/BeanUtilsBean.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/ConstructorUtils.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/ContextClassLoaderLocal.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/ConversionException.class 
in lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/ConvertUtils.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/ConvertUtilsBean.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/Converter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/ConvertingWrapDynaBean.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/DynaBean.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/DynaClass.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/DynaProperty.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/JDBCDynaClass.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/LazyDynaBean.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/LazyDynaClass.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/LazyDynaMap.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/MappedPropertyDescriptor.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/MethodUtils$MethodDescriptor.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/MethodUtils.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/MutableDynaClass.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/NestedNullException.class 
in lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/PropertyUtils.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/PropertyUtilsBean.class 
in lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/ResultSetDynaClass.class 
in lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/ResultSetIterator.class 
in lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/RowSetDynaClass.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/WrapDynaBean.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/beanutils/WrapDynaClass.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/AbstractArrayConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/BigDecimalConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/BigIntegerConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/BooleanArrayConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/BooleanConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/ByteArrayConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/ByteConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/CharacterArrayConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/CharacterConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/ClassConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/DoubleArrayConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/DoubleConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/FileConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/FloatArrayConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/FloatConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/IntegerArrayConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/IntegerConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/LongArrayConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/LongConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/ShortArrayConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/ShortConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/SqlDateConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/SqlTimeConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/SqlTimestampConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/StringArrayConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/StringConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/converters/URLConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/BaseLocaleConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/LocaleBeanUtils$Descriptor.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/LocaleBeanUtils.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/LocaleBeanUtilsBean$1.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/LocaleBeanUtilsBean$Descriptor.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/LocaleBeanUtilsBean.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/LocaleConvertUtils.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/LocaleConvertUtilsBean.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/LocaleConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/converters/BigDecimalLocaleConverter.class 
in lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/converters/BigIntegerLocaleConverter.class 
in lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/converters/ByteLocaleConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/converters/DateLocaleConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/converters/DecimalLocaleConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/converters/DoubleLocaleConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/converters/FloatLocaleConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/converters/IntegerLocaleConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/converters/LongLocaleConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/converters/ShortLocaleConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/converters/SqlDateLocaleConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/converters/SqlTimeLocaleConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/converters/SqlTimestampLocaleConverter.class
 in lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/beanutils/locale/converters/StringLocaleConverter.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-beanutils-1.7.0.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/collections/ArrayStack.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-collections-3.2.1.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/collections/Buffer.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-collections-3.2.1.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/collections/BufferUnderflowException.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-collections-3.2.1.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/collections/FastHashMap$1.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-collections-3.2.1.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/collections/FastHashMap$CollectionView$CollectionViewIterator.class
 in lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-collections-3.2.1.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/collections/FastHashMap$CollectionView.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-collections-3.2.1.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/collections/FastHashMap$EntrySet.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-collections-3.2.1.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/collections/FastHashMap$KeySet.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-collections-3.2.1.jar (with different bytecode)
JarClassLoader: Warning: 
org/apache/commons/collections/FastHashMap$Values.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-collections-3.2.1.jar (with different bytecode)
JarClassLoader: Warning: org/apache/commons/collections/FastHashMap.class in 
lib/commons-beanutils-core-1.8.0.jar is hidden by 
lib/commons-collections-3.2.1.jar (with different bytecode)
{code} 



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