[SLING-4783] The JavaScript scripting engine can generate classloader leaks

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Scripting JavaScript 2.0.18
• Component/s: Scripting
• Assignee: Radu Cotescu
• Reporter: Radu Cotescu
• Created: 08/Jun/15 08:44
• Updated: 14/Dec/17 07:29
• Resolved: 08/Jun/15 14:09

Description

The implementation of the JavaScript scripting engine, based on Rhino, can lead to classloader leaks due to Rhino's ClassCache if the used classloader for loading objects is a DynamicClassLoader. The cache is used by default to cache object translation from JavaScript to Java and generally outlives the objects it stores, holding a hard reference to them.

Disabling the cache is not a solution as synthetic tests proved that the execution of JavaScript code had increased two times.

Issue Links

• relates to: SLING-4787 Change the DynamicClassLoader used by the Sightly scripting engine