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Coexist with Previous Versions of Apache Tomcat

If you need to run both an older and newer version of Apache Tomcat simultaneously, you must configure one of the copies of Apache Tomcat to operate on a different TCP/IP port number, and configure the appropriate applications to communicate to Apache Tomcat through that port. After installing the new version of Apache Tomcat, redeploy the Notification website under the new version of Tomcat using Configuration Manager

To redeploy the Notification Manager under the new version of Apache Tomcat

1. Open the NM Web Services dialog.
2. Uncheck or clear the Use local Java Servlet environment.
3. Click OK to save and close the dialog.
4. Reopen the NM Web Services dialog.
5. Check Use the Local Java Servlet environment
6. Click OK to save and close dialog.
7. Recycle Apache Tomcat.