Assuming that you only need it for your webapps, try setting:
TOMCAT_OPTS="$TOMCAT_OPTS -Dorg.apache.tomcat.apps.classpath=/path/to/zipfil e" "Mohammed Javed P" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Hi geeks, > > Problem :- > > I have a zip file which contains a ".class " file . I need to create an > instance of this class during runtime. > Below is the snippet from the actual code which does the same. > > I was able to successfully load the classes when running test routine > using the same code through the command line. > > But when i call the same API from the GUI [running in Tomcat 3.3.1] , I > am unable to load the class.It was giving me java.lang.ClassFormatError: > (Bad magic number) > NOTE : The zip file is not under the Tomcat directory. > > > I understand that the classloader mechanism for Tomcat is different.I > tried the following approach > - I tried loading it from the webapp classloader's parent, ie. right > upto the same system classloader as used by command line, by using > getParent() .(myPkg.tryMe.class.getClassLoader().getParent() ) .. > ... but am still in same square, as am getting the same exception. > Any help on this is welcome. > > > > =======================code snippet===================== > package myPkg; > public class tryMe{ > public static void loadMyClass(){ > URL[] urls = { new > File("C:\\tmp\\abcd.zip").toURL() }; > String classFile= " > com.xxx.yy.myClassToBeLoaded"; // the class to be loaded from the > abcd.zip file > > ClassLoader tempClassLoader > =myPkg.tryMe.class.getClassLoader(); > ClassLoader cl = new > URLClassLoader(urls,tempClassLoader); > > System.out.println("DEBUG: :Before calling > loadclass..:"); > Object o = cl.loadClass(classFile).newInstance(); > System.out.println(" DEBUG:: successfully loaded > class .."); > } > > } //EOC > =======================End of code snippet=================== > > Thanks in advance, > ~ ~Javed > > > > >--- Mohammed Javed P <[EMAIL PROTECTED]> wrote: > > > > > >> > >>Hi! > >> > >>Is it possible to load a class from a zip file , which is located > >>outside the Tomcat directories ? > >>I mean, the zip file can be anywhere in the hard disk, and not under the > >>installed Tomcat directory structure. > >> > >>Please provide any pointers on how to go about it . > >> > >>Thnkx in advance! > >> > >>regards, > >>~Javed > >> > >> > >> > >> > >>--------------------------------------------------------------------- > >>To unsubscribe, e-mail: [EMAIL PROTECTED] > >>For additional commands, e-mail: [EMAIL PROTECTED] > >> > >> > >> > > > > > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
