[TAP5-748] NPE when defining a component using just t:id and no type or @Component annotation

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 5.1.0.5
• Fix Version/s: 5.2.0
• Component/s: tapestry-core
• Assignee: Robert Zeigler
• Reporter: Howard Lewis Ship
• Created: 11/Jun/09 20:52
• Updated: 18/Jul/09 14:05
• Resolved: 17/Jul/09 22:55

Description

This should give me a valid exception along the lines of "you must specify the type, via t:type, or the element, or @Component".

Instead ...

1. org.apache.tapestry5.ioc.internal.util.TapestryException
   Failure creating embedded component 'categoryFragment' of widen.collective.blocks.pages.Contact: java.lang.NullPointerException

location
context:Contact.tml, line 36
31 </li>
32
33 </ul>
34
35
36 <div t:id="categoryFragment">
37 <h3>Category</h3>
38 </div>
39
40 <div t:id="dateRangeFragment">
41 <h3>Date Range</h3>

1. java.lang.NullPointerException

Hide uninteresting stack frames Stack trace

• javassist.Loader.loadClass(Loader.java:304)
• java.lang.ClassLoader.loadClass(ClassLoader.java:251)
• org.apache.tapestry5.internal.services.ComponentInstantiatorSourceImpl.findClass(ComponentInstantiatorSourceImpl.java:296)
• org.apache.tapestry5.internal.services.ComponentInstantiatorSourceImpl.getInstantiator(ComponentInstantiatorSourceImpl.java:276)
• $ComponentInstantiatorSource_121d07fa5ef.getInstantiator($ComponentInstantiatorSource_121d07fa5ef.java)
• org.apache.tapestry5.internal.pageload.EmbeddedComponentAssemblerImpl.getModel(EmbeddedComponentAssemblerImpl.java:173)
• org.apache.tapestry5.internal.pageload.EmbeddedComponentAssemblerImpl.<init>(EmbeddedComponentAssemblerImpl.java:82)
• org.apache.tapestry5.internal.pageload.ComponentAssemblerImpl.createEmbeddedAssembler(ComponentAssemblerImpl.java:266)
• org.apache.tapestry5.internal.pageload.PageLoaderImpl.startComponent(PageLoaderImpl.java:749)
• org.apache.tapestry5.internal.pageload.PageLoaderImpl.component(PageLoaderImpl.java:614)
• org.apache.tapestry5.internal.pageload.PageLoaderImpl.processTemplateToken(PageLoaderImpl.java:402)
• org.apache.tapestry5.internal.pageload.PageLoaderImpl.component(PageLoaderImpl.java:635)
• org.apache.tapestry5.internal.pageload.PageLoaderImpl.processTemplateToken(PageLoaderImpl.java:402)
• org.apache.tapestry5.internal.pageload.PageLoaderImpl.component(PageLoaderImpl.java:635)
• org.apache.tapestry5.internal.pageload.PageLoaderImpl.processTemplateToken(PageLoaderImpl.java:402)
• org.apache.tapestry5.internal.pageload.PageLoaderImpl.programAssembler(PageLoaderImpl.java:234)
• org.apache.tapestry5.internal.pageload.PageLoaderImpl.createAssembler(PageLoaderImpl.java:207)
• org.apache.tapestry5.internal.pageload.PageLoaderImpl.getAssembler(PageLoaderImpl.java:183)
• org.apache.tapestry5.internal.pageload.PageLoaderImpl.loadPage(PageLoaderImpl.java:157)