https://bz.apache.org/bugzilla/show_bug.cgi?id=66008
Bug ID: 66008
Summary: Jasper Documentation is misleading (if not wrong)
about the trimSpaces option
Product: Tomcat 10
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: Jasper
Assignee: dev@tomcat.apache.org
Reporter: seeb...@orcasys.ch
Target Milestone: ------
The documentation "Jasper 2 JSP Engine How To"
(https://tomcat.apache.org/tomcat-10.0-doc/jasper-howto.html) states under
Production Configuration:
trimSpaces - To remove useless bytes from the response, set this to true.
This is misleading and dangerous (if not just plain wrong):
trimSpace=true removes all spaces between jsp-tags and therefore may affect
output.
Example: The following line will print differently with trimSpaces=true than
with trimSpaces=false
<bean:write name="person" property="firstName"/> <bean:write name="person"
property="familyName"/>
The text in the documentation should be changed to:
trimSpaces - To remove useless bytes from the response, set this to single.
The same applies to Tomcat 9
Previous Tomcat versions don't have the "single" option. For these tomcats,
that misleading line should be removed or at least a warning should be added,
that output may look different if trimSpaces is enabled.
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