When more than one route with a cache component is deployed in Runtime, a shutdown of one of the routes shuts down the cache in of the all other components.
Root Cause
This is a known bug in Camel version 2.8.5. For details, refer to Apache Camel Bug 7174.
Solution
The bug is fixed in Apache Camel v2.18.0.
Talend ESB 7.0.1 uses Camel 2.20, which contains the fix. Upgrade to version 7.0.1 or higher to permanently resolve this issue.