Enabling "Encrypt passwords in server.xml" results in NoClassDefFoundError

Issue Summary

This is reproducible on Data Center: yes

Steps to Reproduce

This bug only affects customers using password encryption in Tomcat

1. Follow the instructions to configure password encryption in server.xml found here

Expected Results

Jira runs normally and can decrypt configuration in server.xml

Actual Results

Jira does not start.

The below exception is thrown in the catalina.out file:

java.lang.NoClassDefFoundError: com/atlassian/secrets/api/SecretStoreException
at com.atlassian.secrets.tomcat.utils.DecryptionUtils.initPasswords(DecryptionUtils.java:21)

Workaround

1. Navigate to the <Jira-installation-directory> and execute the following command:

cp atlassian-jira/WEB-INF/lib/atlassian-secrets-api-<version>.jar lib/

2. Restart Jira.