Message:
The following issue has been resolved as WON'T FIX.
Resolver: fabrizio giustina
Date: Sat, 13 Nov 2004 8:28 AM
Since the example tag are anyway needed for the generated documentation, I
ultimately decided to leave the tlds intact and to add the instructions on how
make them work with JRun in the appserver compatibility section in displaytag
FAQ.
this is the FAQ entry:
====
question:
The <example> elements in the displaytag-el.tld and displaytag-12.tld are
invalid according to JRun4. When adding displaytag.jar to a JRun4 web
application I get the following stacktrace:
jrun.jsp.compiler.JRunTagLibraryInfo$InvalidTLDElementException: The tag
example on line 244 is not a valid TLD element at
jrun.jsp.compiler.JRunTagLibraryInfo$TLDParser.startElement(JRunTagLibraryInfo.java:613)
answer:
Again, this appears to be a JRun fault.
The <example> elements are absolutely valid according to the sun dtd
http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd but JRun doesn't accept them.
A bug report has already been submitted to Macromedia hoping they will fix this.
In the meanwhile, you have two available solutions to make displaytag work
pacefully with JRun:
* If you don't need to use the EL version, simply delete the displaytag-el.tld
and displaytag-12.tld files from displaytag.jar and use the 1.1 version. This
one works without problems.
* If you need the EL version, extract displaytag-el.tld from the jar and remove
all the <example> tags. Replace the original tld in the jar with this modified
one.
We are sorry for this extra step needed with JRun, but at the moment we decided
to not to remove the example tags in the main tld since they are needed for the
generated documentation.
---------------------------------------------------------------------
View the issue:
http://jira.codehaus.org/browse/DISPL-91
Here is an overview of the issue:
---------------------------------------------------------------------
Key: DISPL-91
Summary: tld doesn't work in JRun4 (invalid example tag)
Type: Bug
Status: Resolved
Priority: Major
Resolution: WON'T FIX
Original Estimate: Unknown
Time Spent: Unknown
Remaining: Unknown
Project: DisplayTag
Components:
Container Compability
Fix Fors:
1.0 RC2
Versions:
1.0 RC1
Assignee: fabrizio giustina
Reporter: fabrizio giustina
Created: Tue, 2 Nov 2004 4:20 PM
Updated: Sat, 13 Nov 2004 8:28 AM
Description:
====
imported from sf tracker
id 912023
submitted by greg copeland - gcopeland
http://sourceforge.net/support/tracker.php?aid=912023
====
The <example> elements in the displaytag-el.tld are
invalid per Sun's tag library DTD. Below is a error
trace resulting from adding displaytag.jar to a JRun4
web application -
[2]jrun.jsp.compiler.JRunTagLibraryInfo$InvalidTLDElementException:
The tag example on line 244 is n
ot a valid TLD element
at
jrun.jsp.compiler.JRunTagLibraryInfo$TLDParser.startElement(JRunTagLibraryInfo.java:613)
at
jrunx.util.SAXReflectionHandler.startElement(SAXReflectionHandler.java:24)
at
org.xml.sax.helpers.XMLReaderAdapter.startElement(XMLReaderAdapter.java:333)
===
Date: 2004-03-11 21:28
Sender: fgiust
The <example> elements ARE valid according to the sun dtd.
All the dtds (1.1, 1.2, 1.2 EL) validates correctly.
Maybe there was an error (in the element order) in the past?
I'm closing this bug, since EL support has never been released
and appears to be working now.
===
Date: 2004-10-26 04:16
Sender: ckevinhill
Still an issue for me for all the tld descriptors (11, 12, el)
with jrun4.
===
Date: 2004-10-28 18:39
Sender: gcopeland
According to the displaytag team, their tld conforms to
Sun's DTD; so they
refused to make any changes. I unjarred their distro,
manually removed all the
<example> elements from their displaytag-el.tld, and then
rejarred the files.
That fixed the problem for me.
===
Date: 2004-11-02 14:01
Sender: fgiust
from http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd:
<!ELEMENT tag (name, tag-class, tei-class?, body-content?,
display-name?, small-icon?, large-icon?, description?,
variable*, attribute*, example?) >
which version of displaytag has this problem on jrun?
===
Date: 2004-11-02 16:51
Sender: gcopeland
from http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd:
<!ELEMENT example (#PCDATA) >
from displaytag-1.0-rc1.zip:
<example> <![CDATA[
<display:table name="someList" export="true" id="row"
requestURI="MyAction.do">
<display:column sortable="true" title="ID"> <c:out
value="${row.id}"/> </display:column>
<display:column property="email" autolink="true"/>
<display:column property="description" title="Comments"/>
</display:table>
]]> </example>
Two things could be causing the fault with JRun:
- You can't put CDATA in a location where PCDATA is
expected
or
- You can put CDATA in a location where PCDATA is expected
but you can't leave characters such as the "<" and the "&"
unescaped (because the XML parser faults on an invalid
entity reference)
For me it's a moot point because I no longer use displaytag,
but I hope this might help other users.
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