ParamTag loops forever when parent tag is not ParamHandler
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Key: JSPWIKI-388
URL: https://issues.apache.org/jira/browse/JSPWIKI-388
Project: JSPWiki
Issue Type: Bug
Components: Core & storage
Affects Versions: 2.6.3
Reporter: Simon Kitching
I recently tried to use tag wiki:Param within a wiki:UploadLink tag, and the
page immediately hung. It appears that this combination is not supported (ok),
but the infinite loop is presumably not intended.
The problem is with this code in class ParamTag:
public int doEndTag()
{
Tag t = null;
while( (t = getParent()) != null && !(t instanceof ParamHandler) )
;
...
}
This code is the same in both jspwiki 2.6.3 (which I am using) and current svn
trunk.
This loops endlessly if the parent of the ParamTag is not a ParamHandler,
because getParent() returns the same object each time. Maybe t.getParent() was
intended? (although that won't work on the first call when t is null).
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