Expression Language 3.0
This feature enables support for the Expression Language (EL) 3.0.
Command Line Install
To install the feature from the command line, type:
bin/installUtility install el-3.0
If you are installing into 22.214.171.124 or earlier and the feature supports that version, use the featureManager command, for example:
bin/featureManager install el-3.0 --when-file-exists=ignore
To use the feature at runtime add the following to your server.xml file