In Equinox we have something called buddy class loading (not OSGi specified). It may be used to help your situation. See http://wiki.eclipse.org/index.php/Context_Class_Loader_Enhancements
HTH Tom |------------> | From: | |------------> >--------------------------------------------------------------------------------------------------------------------------------------------------| |"Michael Furtak" <[email protected]> | >--------------------------------------------------------------------------------------------------------------------------------------------------| |------------> | To: | |------------> >--------------------------------------------------------------------------------------------------------------------------------------------------| |"Equinox development mailing list" <[email protected]> | >--------------------------------------------------------------------------------------------------------------------------------------------------| |------------> | Date: | |------------> >--------------------------------------------------------------------------------------------------------------------------------------------------| |10/06/2009 12:53 PM | >--------------------------------------------------------------------------------------------------------------------------------------------------| |------------> | Subject: | |------------> >--------------------------------------------------------------------------------------------------------------------------------------------------| |[equinox-dev] Use of Thread Context ClassLoader considered harmful? | >--------------------------------------------------------------------------------------------------------------------------------------------------| Hi all, I am using Apache XMLBeans 2.4 within Equinox 3.5, and am running into problems. Specifically, I (and others [1,2] - references at bottom) have noticed that a specific part of the type resolution process breaks when run in an OSGi environment. After some investigation, I have found that XMLBeans is creating its SchemaTypeLoader objects with the current thread's context classloader[3]. My experience has been that any time a library does this and then needs to load classes that are in a different OSGi bundle, the classes can not be resolved. So I suppose my questions are: Could Equinox do more to prevent this kind of use-case from breaking down? Alternatively, for compatibility with an OSGi environment, is using a TCCL considered harmful? If so, what should I suggest in my XMLBeans ticket as an OSGi-compatible alternative? Thanks, -Mike Furtak 1) http://markmail.org/message/vx2vdg7yhb4l3ej6#query:+page:1+mid:vx2vdg7yh b4l3ej6+state:results 2) http://mail-archives.apache.org/mod_mbox/ws-axis-user/200701.mbox/%3C8d2 [email protected]%3e 3) http://grepcode.com/file/[email protected]$xmlb [email protected]@org$apache$xmlbeans$impl$schema$SchemaTypeLoaderImpl.java#Sch emaTypeLoaderImpl.getContextTypeLoader%28%29 (Line 131) THIS MESSAGE IS INTENDED FOR THE USE OF THE PERSON TO WHOM IT IS ADDRESSED. IT MAY CONTAIN INFORMATION THAT IS PRIVILEGED, CONFIDENTIAL AND EXEMPT FROM DISCLOSURE UNDER APPLICABLE LAW. If you are not the intended recipient, your use of this message for any purpose is strictly prohibited. If you have received this communication in error, please delete the message and notify the sender so that we may correct our records. _______________________________________________ equinox-dev mailing list [email protected] https://dev.eclipse.org/mailman/listinfo/equinox-dev
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