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com.thoughtworks.xstream.mapper.CannotResolveClassException: hudson.plugins.ccm.CCMBuilderDescription : hudson.plugins.ccm.CCMBuilderDescription	at com.thoughtworks.xstream.mapper.DefaultMapper.realClass(DefaultMapper.java:68)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(DynamicProxyMapper.java:71)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.PackageAliasingMapper.realClass(PackageAliasingMapper.java:88)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(ClassAliasingMapper.java:86)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.ArrayMapper.realClass(ArrayMapper.java:96)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at hudson.util.XStream2$CompatibilityMapper.realClass(XStream2.java:142)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:38)	at com.thoughtworks.xstream.mapper.CachingMapper.realClass(CachingMapper.java:56)	at com.thoughtworks.xstream.core.util.HierarchicalStreams.readClassType(HierarchicalStreams.java:29)	at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:136)	at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:33)	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:926)	at hudson.util.XStream2.unmarshal(XStream2.java:80)	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:912)	at hudson.XmlFile.unmarshal(XmlFile.java:148)	at hudson.model.Descriptor.load(Descriptor.java:659)	at hudson.plugins.ccm.CCMBuilderDescriptor.(CCMBuilderDescriptor.java:50)	at hudson.plugins.ccm.CCMBuilder.(CCMBuilder.java:102)	at sun.misc.Unsafe.ensureClassInitialized(Native Method)	at sun.reflect.UnsafeFieldAccessorFactory.newFieldAccessor(Unknown Source)	at sun.reflect.ReflectionFactory.newFieldAccessor(Unknown Source)	at java.lang.reflect.Field.acquireFieldAccessor(Unknown Source)	at java.lang.reflect.Field.getFieldAccessor(Unknown Source)	at java.lang.reflect.Field.get(Unknown Source)	at net.java.sezpoz.IndexItem.instance(IndexItem.java:172)