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Posted to dev@tomcat.apache.org by bu...@apache.org on 2006/03/07 21:23:58 UTC
DO NOT REPLY [Bug 38888] New: - Release method for custom tags not called.
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http://issues.apache.org/bugzilla/show_bug.cgi?id=38888
Summary: Release method for custom tags not called.
Product: Tomcat 4
Version: 4.1.31
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: normal
Priority: P2
Component: Servlet & JSP API
AssignedTo: tomcat-dev@jakarta.apache.org
ReportedBy: blinks@acm.org
(from http://java.sun.com/products/jsp/tutorial/TagLibraries18.html#62842)
The tag method invocation sequence is as follows:
ATag t = new ATag();
t.setPageContext(...);
t.setParent(...);
t.setAttribute1(value1);
t.setAttribute2(value2);
t.doStartTag();
t.doEndTag();
t.release();
Create a tag with one attribute (A) that depends on the initialization of
another attribute (B). If B is still null when doStartTag is called, initialize
it to a copy of A. Reset B (to null) in the release method. For debugging
purposes, the tag should just print out the values of A and B, labeled.
Create a test page that calls the tag twice, neither time setting B, but both
times setting A to different values ("first time" and "second time", for
example). It should print something like the following:
first time, first time
second time, second time
But it will print the following:
first time, first time
second time, first time
Workaround: surround the doStartTag with a try/catch/finally, and call the
release method in the finally block.
Notes: this is probably platform independant - I've tested on Linux and WinXP.
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DO NOT REPLY [Bug 38888] - Release method for custom tags not called.
Posted by bu...@apache.org.
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG�
RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT
<http://issues.apache.org/bugzilla/show_bug.cgi?id=38888>.
ANY REPLY MADE TO THIS MESSAGE WILL NOT BE COLLECTED AND�
INSERTED IN THE BUG DATABASE.
http://issues.apache.org/bugzilla/show_bug.cgi?id=38888
blinks@acm.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |INVALID
------- Additional Comments From blinks@acm.org 2006-03-07 20:26 -------
The JSP page implementation class also guarantees that release will be invoked
on the tag handler ** before the end of the page **.
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