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Due to compilation JSPs load very slow when accessed first time and could be a Performance issue. So we could avoid this and improve the performance by doing pre-compilation the JSPs and create the classes and ship them as part of Build artifacts like WAR file .
This Pre-Compilation could be done different ways, most of the Application Servers have their own built in configuration TAGs to achieve this.
For Weblogic, you should have this in weblogic.xml
<jsp-param>
<param-name>precompile</param-name>
<param-value>true</param-value>
</jsp-param>
For doing
this using ANT target, do the following, you have to use JASPER ant
task.
<target
name="jspc">
<jasper2
validateXml="false"
uriroot="${build.war.dir}"
webXmlFragment="${build.war.dir}/WEB-INF/generated_web.xml"
addWebXmlMappings="true"
outputDir="${build.src.dir}"
/>
</target>
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