Sounds like it's just an OGNL bug. If you file it here I should be able to fix it fairly quickly as it looks like something that'll be easy to do:
http://jira.opensymphony.com/browse/OGNL (the fix will come in the form of a new 2.7.2-SNAPSHOT build off of http://opencomponentry.com/repository/ ) On 10/19/07, Dom Couldwell <[EMAIL PROTECTED]> wrote: > > Hi, > > I'm migrating an existing project which uses 4.0.2 to use 4.1.2 and I'm having > and ognl / loop related issue. > > Here's the snippet that works on 4.0.2 > > <td jwcid="@For" > source="ognl:tab.searchCriteriaOptions" > value="ognl:currentFilterGroup" > index="ognl:currentFilterGroupIndex"> > <div jwcid="@If" > element="literal:td" > condition="ognl:tab.searchCriteria[currentFilterGroupIndex] != > null" > class="ognl:'filter' + > getFilterColumnStyle(currentFilterGroupIndex)"> > <select jwcid="@Select" > multiple="literal:false" > size="10" > onchange= > "ognl:'searchSubmit(\''[EMAIL PROTECTED]@FILTER+'\', > '+currentFilterGroupIndex+');'" > > > <div jwcid="@For" > source="ognl:currentFilterGroup" > value="ognl:currentFilter" > index="ognl:currentFilterIndex"> > <option jwcid="@Option" > selected= > "ognl:tab.searchCriteriaSelections[currentFilterGroupIndex][currentFilterIndex]" > label="ognl:currentFilter"> > </option> > </div> > </select> > </div> > </td> > > But under 4.1.2 it's giving me the error: > > 2007-10-19 16:31:13,878, ERROR, > [org.apache.tapestry.services.impl.HiveMindExpressionCompiler], line 179, > Error generating OGNL getter for expression > tab.searchCriteriaSelections[currentFilterGroupIndex][currentFilterIndex] with > root [EMAIL PROTECTED]/$Search] and body: > { return ($w) > (((java.util.List)(($Search_91)$2).getTab().getSearchCriteriaSelections()).get((($Search_91)$2).getCurrentFilterGroupIndex())).get(((java.util.List)(($Search_91)$2).getCurrentFilterIndex()));} > org.apache.hivemind.ApplicationRuntimeException: Unable to add method > java.lang.Object get(ognl.OgnlContext, java.lang.Object) to class > $ASTChain_115b9f4b263: [source error] get(java.util.List) not found in > java.lang.Object > at > org.apache.tapestry.enhance.ClassFabImpl.addMethod(ClassFabImpl.java:278) > ... > Caused by: javassist.CannotCompileException: [source error] > get(java.util.List) not found in java.lang.Object > at javassist.CtBehavior.setBody(CtBehavior.java:347) > at javassist.CtBehavior.setBody(CtBehavior.java:316) > at > org.apache.tapestry.enhance.ClassFabImpl.addMethod(ClassFabImpl.java:272) > ... 161 more > Caused by: compile error: get(java.util.List) not found in java.lang.Object > ... > > Should we be using different ognl syntax for the new version of Tapestry? > > I've tried updating the problem line to > selected= > "ognl:getTab().getSearchCriteriaSelections().get(currentFilterGroupIndex).get(currentFilterIndex)" > > which works when the page serves but does not write the values back to the > page: > > 2007-10-19 17:01:08,272, ERROR, [com.db.rdq.web.tapestry.html.RDQException], > line 22, org.apache.tapestry.BindingException > 2007-10-19 17:01:08,272, ERROR, [com.db.rdq.web.tapestry.html.RDQException], > line 23, Unable to update OGNL expression '<parsed OGNL expression>' of > [EMAIL PROTECTED]/$Search] to true: Inappropriate OGNL expression: > get(currentFilterIndex) > 2007-10-19 17:01:08,272, ERROR, [com.db.rdq.web.tapestry.html.RDQException], > line 32, > 2007-10-19 17:01:08,272, ERROR, [com.db.rdq.web.tapestry.html.RDQException], > line 44, > binding|ExpressionBinding[Home/$Search > getTab().getSearchCriteriaSelections().get(currentFilterGroupIndex).get(currentFilterIndex)] > location|context:/WEB-INF/Search.html, line 106 > 2007-10-19 17:01:08,272, ERROR, [com.db.rdq.web.tapestry.html.RDQException], > line 22, org.apache.hivemind.ApplicationRuntimeException > 2007-10-19 17:01:08,287, ERROR, [com.db.rdq.web.tapestry.html.RDQException], > line 23, Unable to update OGNL expression '<parsed OGNL expression>' of > [EMAIL PROTECTED]/$Search] to true: Inappropriate OGNL expression: > get(currentFilterIndex) > 2007-10-19 17:01:08,287, ERROR, [com.db.rdq.web.tapestry.html.RDQException], > line 32, > 2007-10-19 17:01:08,287, ERROR, [com.db.rdq.web.tapestry.html.RDQException], > line 44, > component|[EMAIL PROTECTED]/$Search] > location|context:/WEB-INF/Home.html, line 51 > 2007-10-19 17:01:08,287, ERROR, [com.db.rdq.web.tapestry.html.RDQException], > line 22, ognl.InappropriateExpressionException > > Any ideas? > > Thanks, > > Dom Couldwell > Global Markets Research > > --- > > This e-mail may contain confidential and/or privileged information. 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