[TILES-276] tiles:putListAttribute - PropertyDescriptor: internal error while merging PDs: type mismatch between read and write methods

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.5, 2.0.6
• Fix Version/s: 2.0.7
• Component/s: tiles-jsp (jsp support)

Environment

WebSphere Platform 6.0 [BASE 6.0.2.15 cf150636.04]
Host Operating System is Windows XP, version 5.1
Java version = J2RE 1.4.2 IBM Windows 32 build cn142-20060421 (SR5) (JIT enabled: jitc), Java Compiler = jitc, Java VM name = Classic VM

• Assignee: Antonio Petrelli
• Reporter: Dev Naga
• Created: 04/Jun/08 21:22
• Updated: 07/Jan/09 13:57
• Resolved: 10/Jun/08 18:49

Description

'PropertyDescriptor: internal error while merging PDs: type mismatch between read and write methods'

i am getting 'PropertyDescriptor: internal error while merging PDs: type mismatch between read and write methods'
exception in <tiles:putListAttribute name="list">

<%@ taglib uri="http://tiles.apache.org/tags-tiles" prefix="tiles" %>

<tiles:insertTemplate template="/putattributeslayout.jsp">
<tiles:putAttribute name="stringTest" value="This is a string" type="string" />
<tiles:putListAttribute name="list">
<tiles:addAttribute value="valueOne" type="string" />
<tiles:addAttribute value="valueTwo" type="string" />
<tiles:addAttribute value="valueThree" type="string" />
</tiles:putListAttribute>
</tiles:insertTemplate>

i included
backport-util-concurrent-3.0.jar
commons-beanutils-1.7.0.jar
commons-digester-1.8.jar
commons-logging-api-1.1.jar
freemarker-2.3.10.jar
jstl-1.1.2.jar
retrotranslator-runtime-1.2.1.jar
standard-1.1.2.jar
tiles-api-2.0.6-j4.jar
tiles-core-2.0.6-j4.jar
tiles-jsp-2.0.6-j4.jar
xalan.jar
xercesImpl.jar
xml-apis.jar

Caused by: java.lang.Error: PropertyDescriptor: internal error while merging PDs: type mismatch between read and write methods
at java.beans.PropertyDescriptor.<init>(PropertyDescriptor.java(Compiled Code))
at java.beans.Introspector.processPropertyDescriptors(Introspector.java(Compiled Code))
at java.beans.Introspector.getTargetPropertyInfo(Introspector.java(Compiled Code))
at java.beans.Introspector.getBeanInfo(Introspector.java(Inlined Compiled Code))
at java.beans.Introspector.getBeanInfo(Introspector.java(Compiled Code))
at freemarker.ext.jsp.TagTransformModel.<init>(TagTransformModel.java:116)
at freemarker.ext.jsp.TaglibFactory$TldParser.endElement(TaglibFactory.java:581)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.impl.dtd.XMLDTDValidator.endNamespaceScope(Unknown Source)
at org.apache.xerces.impl.dtd.XMLDTDValidator.handleEndElement(Unknown Source)
at org.apache.xerces.impl.dtd.XMLDTDValidator.endElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at freemarker.ext.jsp.TaglibFactory.parseXml(TaglibFactory.java:368)
at freemarker.ext.jsp.TaglibFactory.loadTaglib(TaglibFactory.java:437)
at freemarker.ext.jsp.TaglibFactory.access$300(TaglibFactory.java:105)
at freemarker.ext.jsp.TaglibFactory$Taglib.load(TaglibFactory.java:401)
at freemarker.ext.jsp.TaglibFactory.get(TaglibFactory.java:158)
at freemarker.core.DynamicKeyName.dealWithStringKey(DynamicKeyName.java:136)
at freemarker.core.DynamicKeyName._getAsTemplateModel(DynamicKeyName.java:94)
at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
at freemarker.core.Assignment.accept(Assignment.java:90)
at freemarker.core.Environment.visit(Environment.java:196)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:196)
at freemarker.core.Environment.process(Environment.java:176)
at freemarker.template.Template.process(Template.java:232)
at freemarker.ext.servlet.FreemarkerServlet.process(FreemarkerServlet.java:427)
at freemarker.ext.servlet.FreemarkerServlet.doGet(FreemarkerServlet.java:366)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1572)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1521)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:113)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:82)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:759)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.include(WebAppRequestDispatcher.java:633)
at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:1034)
at org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:490)
at org.apache.tiles.jsp.context.JspTilesRequestContext.include(JspTilesRequestContext.java:80)
... 37 more