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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=12795 activation.jar in common/lib gives javax/activation/DataSource errors Summary: activation.jar in common/lib gives javax/activation/DataSource errors Product: Tomcat 4 Version: 4.1.10 Platform: PC OS/Version: Linux Status: NEW Severity: Normal Priority: Other Component: Unknown AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] In tomcat 4.1.10, the file activation.jar in the common/lib directory has to be moved (not copied) to the jre/lib/ext directory of the java installation, or else the use of javax.mail.Session objects (and possibly others) in servlets gives exceptions. Example: When calling new MimeMessage(), this exception results: java.lang.NoClassDefFoundError: javax/activation/DataSource at AcceptMailForm.sendMessage(AcceptMailForm.java:136) at AcceptMailForm.processRequest(AcceptMailForm.java:86) at AcceptMailForm.doPost(AcceptMailForm.java:116) at javax.servlet.http.HttpServlet.service(HttpServlet.java:760) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain. java:247) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193 If I recall, this problem had existed previously in 3.X versions. In versions 4.0.X this issue was fixed and activation.jar didn't need to be moved to the java extensions folder. -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
