move your DisplayContentItemStyle to a package that is not within a pages, components or mixins package. eg. services
T5 loads all classes in the before mentioned packages for enhancement with another classloader. that's why your class (enum) cant be found. g, kris Von: Christian Koller <christian.kol...@net-m.ch> An: Tapestry users <users@tapestry.apache.org> Datum: 11.10.2010 12:39 Betreff: Strange Type Coercion Exception Hi all Today I faced a very strange exception (tapestry version 5.2) The Exception sais not possible to find the coercion string -> net.netm.platform.client.tapestry.common.components.style.DisplayContentItemStyle but if I check the configured coercion, then I can find: String --> net.netm.platform.client.tapestry.common.components.style.DisplayContentItemStyle Any ideas? org.apache.tapestry5.ioc.util.UnknownValueException Could not find a coercion from type java.lang.String to type net.netm.platform.client.tapestry.common.components.style.DisplayContentItemStyle. availableValues Configured coercions: Double --> Float Float --> Double Long --> Boolean Long --> Byte Long --> Double Long --> Integer Long --> Short Number --> Long Object --> Object[] Object --> String Object --> java.util.List Object[] --> java.util.List String --> Boolean String --> Double String --> Long String --> java.io.File String --> java.math.BigDecimal String --> java.math.BigInteger String --> java.text.DateFormat String --> java.util.regex.Pattern String --> net.netm.platform.client.tapestry.common.components.style.DisplayContentItemStyle String --> org.apache.tapestry5.Renderable String --> org.apache.tapestry5.SelectModel String --> org.apache.tapestry5.corelib.LoopFormState String --> org.apache.tapestry5.corelib.SubmitMode String --> org.apache.tapestry5.corelib.data.BlankOption String --> org.apache.tapestry5.corelib.data.GridPagerPosition String --> org.apache.tapestry5.corelib.data.InsertPosition String --> org.apache.tapestry5.ioc.Resource String --> org.apache.tapestry5.ioc.util.TimeInterval boolean[] --> java.util.List byte[] --> java.util.List char[] --> java.util.List double[] --> java.util.List float[] --> java.util.List int[] --> java.util.List java.math.BigDecimal --> Double java.util.Collection --> Boolean java.util.Collection --> Object[] java.util.Collection --> org.apache.tapestry5.grid.GridDataSource java.util.Date --> java.util.Calendar java.util.List --> org.apache.tapestry5.SelectModel java.util.Map --> org.apache.tapestry5.SelectModel long[] --> java.util.List null --> Boolean null --> org.apache.tapestry5.grid.GridDataSource org.apache.tapestry5.ComponentResources --> org.apache.tapestry5.PropertyOverrides org.apache.tapestry5.PrimaryKeyEncoder --> org.apache.tapestry5.ValueEncoder org.apache.tapestry5.Renderable --> org.apache.tapestry5.Block org.apache.tapestry5.Renderable --> org.apache.tapestry5.runtime.RenderCommand org.apache.tapestry5.ioc.util.TimeInterval --> Long org.apache.tapestry5.runtime.ComponentResourcesAware --> org.apache.tapestry5.ComponentResources short[] --> java.util.List
