Application Server

System Requirements & Support

Processor	Dual core Intel Core 2 Duo 2.0 GHz or better
Memory	4GB or more
Disk	2GB free disk space
Apache Tomcat	Version 9.0
Java	Java 11 (deprecated), 17, or 21. Oracle and OpenJDK are supported.
JVM Options	-Xmx768m -XX:MaxMetaspaceSize=256m
IP Address Formats	IPv4 and IPv6 addresses are supported.

Processor	Dual core Intel Core 2 Duo 2.0 GHz or better
Memory	4GB or more
Disk	10GB free disk space

Version	2.7.1
Default Database Files	em.tmp, em.txt, em.properties, em.script, em.lck, em.lobs
Note	HyperSQL is embedded in em.war and runs in the same process as Apache Tomcat.

Version	5.7 or 8 (support for 5.7 is deprecated)
Engine	InnoDB
Default database name	em
Connections	20 simultaneous or more
Database creation script	mysql_db.sql
Note	In order to use a MySQL database, download mysql-connector-java.jar for MySQL separately and add it to the Tomcat `webapps/em/WEB-INF/lib` folder. See Installing MySQL and Setting up the Database (MySQL or Oracle) for details on installation and setup.

Version	18c, 19c, 21c, 23c * Note: 18c and 21c are deprecated
Default table spaces	EM_DATA, EM_TEMP
Connections	20 simultaneous or more
Database creation script	oracle_db.sql
Notes	In order to use an Oracle database, download the appropriate ojdbc jar for your Oracle version separately (from http://www.oracle.com/technetwork/database/features/jdbc/index-091264.html) and add it to the Tomcat `webapps/em/WEB-INF/lib` folder. Before using CTP, you must follow the procedure described in Setting up the Database (MySQL or Oracle). It is assumed that Oracle server is already installed and is properly administered.