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From "Markus Fischer (JIRA)" <j...@apache.org>
Subject [jira] [Created] (WW-5031) OGNL: An illegal reflective access operation has occurred
Date Sun, 19 May 2019 14:45:00 GMT
Markus Fischer created WW-5031:
----------------------------------

             Summary: OGNL: An illegal reflective access operation has occurred
                 Key: WW-5031
                 URL: https://issues.apache.org/jira/browse/WW-5031
             Project: Struts 2
          Issue Type: Bug
          Components: Core
    Affects Versions: 2.5.20
         Environment: Java 11 / Linux / test environment on eclipse / Tomcat 8.5
            Reporter: Markus Fischer


Running Struts on Java 11 gives a new warning about illegal reflection, not present on Java
8:

WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by ognl.OgnlRuntime (file:/.../workspace/SC/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/.../WEB-INF/lib/ognl-3.1.21.jar)
to method java.util.HashMap$Node.getKey()
WARNING: Please consider reporting this to the maintainers of ognl.OgnlRuntime
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access
operations
WARNING: All illegal access operations will be denied in a future release

The warning appears after using the following tag in a JSP (name of properties changed):

<s:select name="item" key="item.key" list="items" />

The corresponding Action contains:

private Map<Long, String> items = new LinkedHashMap<>();

 

 

 

 



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