[jira] [Resolved] (DBCP-544) Custom Shared ClassLoader not working after migrated from Tomcat 7 to Tomcat 9.0.17

["Mark Thomas (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DBCP-544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Thomas resolved DBCP-544.
------------------------------
    Resolution: Invalid

This is a question for the Tomcat users mailing list:
http://tomcat.apache.org/lists.html#tomcat-users

> Custom Shared ClassLoader not working after migrated from Tomcat 7 to Tomcat 9.0.17
> -----------------------------------------------------------------------------------
>
>                 Key: DBCP-544
>                 URL: https://issues.apache.org/jira/browse/DBCP-544
>             Project: Commons DBCP
>          Issue Type: Bug
>            Reporter: Akram
>            Priority: Critical
>
>  
>  Hi,
> I have Custom SharedClassLoader in Tomcat 7 to load shared library jars,
>  which is used by different applications in that tomcat. We migrated to
>  Tomcat 9, now it is not working. How to achieve the same functionality in
>  tomcat 9.
> In Tomcat 9 it expects resources to be passed. I don't find any sample Code
>  on how to populate resources.
> I tried like below
> public CustomSharedClassLoader(ClassLoader parent) throws Exception {
>          super(parent);
>  //The below three lines are added by me to work for Tomcat 9.
>          StandardRoot standardRoot = new StandardRoot();
>          standardRoot.addPreResources(new DirResourceSet());
>          setResources(standardRoot);// End for tomcat 9 changes.
>         for (URL urlForJars : getClassPath(SHARED_LIB))
> {             addURL(urlForJars);         }
>         start();
>      }
> It didn't work.
> public class CustomSharedClassLoader extends WebappClassLoader
> {//Which takes shared folder libarary, it returns those classes.}



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