Leaky Framework: cannot implement a method named 'getServlerContext()' on a
Page component
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Key: TAPESTRY-1898
URL: https://issues.apache.org/jira/browse/TAPESTRY-1898
Project: Tapestry
Issue Type: Bug
Components: tapestry-core
Affects Versions: 5.0.6
Environment: JDK 1.6
Windows XP
Reporter: Ezra Epstein
Leaky Framework: cannot implement a method named 'getServlerContext()' on a
Page component.
I've got a page that's working fine. Was getting the ServletContext via an
injected ApplicationGlobals and using the ApplicationGlobals within methods
that needed the ServletContext. Started to be a few methods needed it so I
created a simple convenience method:
@Inject
@Service("ApplicationGlobals")
private ApplicationGlobals applicationGlobals;
protected ServletContext getServletContextObj() {
return (applicationGlobals == null ? null :
applicationGlobals.getServletContext());
}
And:
org.apache.tapestry.internal.services.TransformationException
StackMapTable format error: bad class index
transformation
InternalClassTransformation[
public com.bar.baf.pages.UploadClip extends java.lang.Object
implements org.apache.tapestry.runtime.Component,
org.apache.tapestry.runtime.RenderCommand
add default method: public void postRenderCleanup()
<default>
add default method: public void setupRender(org.apache.tapestry.MarkupWriter
$1, org.apache.tapestry.runtime.Event $2)
<default>
add default method: public void beginRender(org.apache.tapestry.MarkupWriter
$1, org.apache.tapestry.runtime.Event $2)
<default>
add default method: public void
beforeRenderTemplate(org.apache.tapestry.MarkupWriter $1,
org.apache.tapestry.runtime.Event $2)
<default>
add default method: public void
afterRenderTemplate(org.apache.tapestry.MarkupWriter $1,
org.apache.tapestry.runtime.Event $2)
<default>
add default method: public void
beforeRenderBody(org.apache.tapestry.MarkupWriter $1,
org.apache.tapestry.runtime.Event $2)
<default>
add default method: public void
afterRenderBody(org.apache.tapestry.MarkupWriter $1,
org.apache.tapestry.runtime.Event $2)
<default>
add default method: public void afterRender(org.apache.tapestry.MarkupWriter
$1, org.apache.tapestry.runtime.Event $2)
<default>
add default method: public void cleanupRender(org.apache.tapestry.MarkupWriter
$1, org.apache.tapestry.runtime.Event $2)
<default>
add default method: public boolean
handleComponentEvent(org.apache.tapestry.runtime.ComponentEvent $1)
<default>
add default method: public org.apache.tapestry.ComponentResources
getComponentResources()
<default>
add default method: public void containingPageDidLoad()
<default>
add default method: public void containingPageDidDetach()
<default>
add default method: public void containingPageDidAttach()
<default>
add field: protected final
org.apache.tapestry.internal.InternalComponentResources _$resources;
replace method: public final org.apache.tapestry.ComponentResources
getComponentResources()
return _$resources
...
Turns out that getServletContext() is "reserved" by Tapestry. I tried
protected abstract ServletContext getServletContext();
But no dice.
Work-around: changed the name of the method. That worked. Downside: the
getServletContext() method name is the obvious /desirable one.
Suggestion: Prefer to have Tapestry not take over method names. If it must,
prefer to give them scoped names that aren't likely to be used by regular apps.
E.g., get/setTap5Foo (in general) and getTap5ServletContext() (in
particular).
Thanks.
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