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The FlexDeploy distribution for Tomcat includes the binaries for 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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• Download the latest Oracle JDBC driver from https://www.oracle.com/database/technologies/appdev/jdbc-ucp-19c-downloads.html. For   Click on the driver link matching your Oracle database version, and download the driver or JDK8. For example, ojdbc8-full.tar.gz.

Caused by: java.lang.UnsupportedClassVersionError: oracle/jdbc/OracleClob has been compiled by a more recent version of the Java Runtime (class file version 54.0), this version of the Java Runtime only recognizes class file versions up to 52.0
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

• Remove ojdbc jar files like ojdbc*.jar or ojdbc*dms.jar from <FlexDeploy Home>/apache-tomcat-flexdeploy/lib.

• Copy all jar files (for example, ojdbc8.jar, ons.jar, ucp.jar and other jars) from downloaded archive ojdbc8-full.tar.gz to <FlexDeploy Home>/apache-tomcat-flexdeploy/libext.

  Note
  This has changed with FlexDeploy 5.6.0.1. Please put any extra libraries required inside of <FlexDeploy Home>/apache-tomcat-flexdeploy/libext not <FlexDeploy Home>/apache-tomcat-flexdeploy/lib. You will need to create this directory.

  
  

• UCP is now required for Oracle Database connections. See Implementing UCP connections with Tomcat and Oracle for more info.

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