Installation Guides › Upgrade Guide › Upgrading from r12.1 › How to Migrate from r12.1 › Upgrade an r12.1 SOA Agent › How to Prepare for a SOA Agent Upgrade › Replace Existing Read-only Files

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Replace Existing Read-only Files

When you upgrade a SOA Agent, you may see messages asking whether you want to replace read-only files. Select Yes to all.

Additional Upgrade Information for SOA Agent for Web Servers

If you are upgrading or reinstalling a SOA Agent for Web Servers on a Linux system, from the shell, set the LD_PRELOAD variable so that it points to a different location from any existing SOA Agent for Web Servers installation directory. For example, if an existing LD_PRELOAD entry is set to:

LD_PRELOAD=web_agent_home/bin/libbtunicode.so

Before you reinstall or upgrade, set the variable to:

export LD_PRELOAD=

This entry sets the variable to a blank value.

Note: If you have upgraded the web server since you last installed the SOA Agent for Web Servers, the Agent upgrade may not work. The upgrade is ensured only if the web server version has remained the same since the last SOA Agent for Web Servers installation.