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Posted to dev@tomcat.apache.org by Leif Magden <le...@ucar.edu> on 2003/10/07 00:05:25 UTC
img tag welcome-file WARNING
Developer warning:
If your HTML pages have img tags with empty src attributes, i.e.
<img height="1" width="175" alt="" src="" /> (these are used to
format and justify text on the page)
They will cause Tomcat to call your applications welcome-file.
Apparently Tomcat handles this the same way as
a directory navigation, that is, it is handed to the DefaultServlet.
This is invisible to the client but the server is
loaded with all the overhead of resolving the welcome-file over and
over. In my application this results in approximately
double the server/database load for each page navigation.
The fix is to specify a clear or transparent image in the src
attribute i.e. src="images/clear.gif"
Config:
Tomcat version 4.1.24
org.apache.catalina.servlets.DefaultServlet (possibly)
Windows 2000 or Solaris
J2SDK1.4.2
Leif Magden
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