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FlexDeploy provides a file distribution for Tomcat which simplifies the installation process.  This distribution contains Tomcat, the FlexDeploy WAR, and the base configurations, leaving only a few simple steps to complete the install. The distribution contains the following components. 

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Step 8. (Only if using Oracle Database) ADF Essentials comes with the JDBC driver for Oracle 11g database (ojdbc6dms.jar). If you are using Oracle 12c database, you can download the driver (ojdbc7.jar) from the Oracle Technology Network site at Oracle 12c drivers. Delete ojdbc6dms.jar from <FlexDeploy Home>/apache-tomcat-flexdeploy/lib and place ojdbc7.jar in that same folder.

Noteinfo

If adding another you use different Oracle JDBC driver , be sure to remove the default one which comes with the ADF Essentials libraries ((ojdbc7.jar, ojdbc8.jar etc.), then remove ojdbc6dms.jar).  If If you leave multiple Oracle JDBC drivers in the lib folder, you could encounter the following exception on startup:

java.lang.SecurityException: sealing violation: package oracle.jdbc is sealed
                     at java.net.URLClassLoader.getAndVerifyPackage(Unknown Source)
                     at java.net.URLClassLoader.definePackageInternal(Unknown Source)
                     at java.net.URLClassLoader.defineClass(Unknown Source)
                     at java.net.URLClassLoader.access$100(Unknown Source)
                     at java.net.URLClassLoader$1.run(Unknown Source)

Step 9. (Optional) Only ff using IBM ClearCase, you will need to copy some jar files from your ClearCase server or ClearTeam Explorer installation to the FlexDeploy installation

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Note
titleNote for Oracle XE Database

After starting your server, check the <FlexDeploy Home>/apache-tomcat-flexdeploy/logs/flexdeploy.0.log file for the following error message:

  • ORA-12519, TNS:no appropriate service handler found

If present, increase the number of processes for the database

  • Using SQLPlus update processes setting.
    • alter system set processes=200 scope=spfile;
  • Stop Tomcat
  • Restart the XE Database
  • Start Tomcat

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