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Lukasz Lenart commented on WW-5079: ----------------------------------- Struts uses ASM with the Struts 2 Convention plugin, if you do not use the plugin you can delete this JAR. Another thing which version of Java you are running on? Java 8? > Could not find StrutsPrepareAndExecuteFilter sometime in WAS server > ------------------------------------------------------------------- > > Key: WW-5079 > URL: https://issues.apache.org/jira/browse/WW-5079 > Project: Struts 2 > Issue Type: Bug > Components: Core > Affects Versions: 2.5.22 > Environment: Please see our environment below: > Application server: Websphere application server 8.5 > JDK version: 7.0 > Reporter: Lee > Priority: Major > Fix For: 2.6 > > Attachments: dependency.png, err_log.txt > > > We upgrade the Struts version to 2.5.22 recently. > The new version working well in our testing enviroment. But after moved to > production. After some time it's been used. The system throw out exception > for 'Could not find required filter class - > org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.class'. > I used the minmal struts 2.5.22 jars download from Struts website, because of > our security scan application notify that javassist-3.20.0-GA.jar is out of > date, so i replace it to 3.26.0-GA. Could this issue related to this change? > Thanks a lot. -- This message was sent by Atlassian Jira (v8.3.4#803005)