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1. Stop License Server.

2. Download the Tomcat version to which you wish to upgrade (for example, apache-tomcat-<VERSION>.tar.gz) to download<DOWNLOAD_dir DIR> and unarchive the .gz file:

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   tar -xvzf apache-tomcat-<VERSION>.tar.gz

3. Rename the directory to tomcat:

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   mv apache-tomcat-<VERSION> tomcat

4. Delete web apps shipped with tomcatTomcat:

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   cd tomcat/webapps rm -rf *

5. Make copies of the following configuration files and save them outside <LSS_INSTALL>/app:

   • server.xml in <LSS_INSTALL>/app/tomcat/conf/server.xml

   • catalina.properties in <LSS_INSTALL>/app/tomcat/conf/catalina.properties

   • (Optional) Your keystore file if you are using a file other than the .keystore file shipped with License Server in the <LSS_INSTALL>/app/tomcat/conf/ directory

6. Copy the new tomcat directory into the <LSS_INSTALL>/app directory. This will upgrade Tomcat shipped with License Server:

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   cp -rfv download_dir/tomcat/ <LSS_INSTALL>/app > cp.txt

7. Verify that copy command has executed successfully by checking the cp.txt file

8. If there are multiple versions of ecj-<VERSION>.jar libraries, remove the existing ecj-<VERSION>.jar library that is no longer needed:

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   rm <LSS_INSTALL>/app/tomcat/lib/ecj-<VERSION>.jar

9. Copy the configuration files you saved from the original <LSS_INSTALL>/app/tomcat/conf/ directory (step 5) into the new <LSS_INSTALL>/app/tomcat/conf/ directory:

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   cp server.xml <LSS_INSTALL>/app/tomcat/conf/ cp catalina.properties <LSS_INSTALL>/app/tomcat/conf/ cp <YOUR_KEYSTORE_FILE> <LSS_INSTALL>/app/tomcat/conf/.keystore

10. Start License Server.