[jira] [Created] (SLING-4783) The JavaScript scripting engine can generate classloader leaks

["Radu Cotescu (JIRA)" <ji...@apache.org>]

Radu Cotescu created SLING-4783:
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             Summary: The JavaScript scripting engine can generate classloader leaks
                 Key: SLING-4783
                 URL: https://issues.apache.org/jira/browse/SLING-4783
             Project: Sling
          Issue Type: Bug
          Components: Scripting
            Reporter: Radu Cotescu
            Assignee: Radu Cotescu
             Fix For: Scripting JavaScript 2.0.18


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.





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