Hello, we have problems with the tomcat class loaders.
scenario: Tomcat 4.0.4, jdk1.3 2 Applications App1:webapps/App1/WEB-INF/lib/x.jar App2:webapps/App2/WEB-INF/lib/x.jar (the same .jar-file) x.jar: a.class, b.class, c.class b.class has a Hashtable (com.sun.java.util.collections.Hashtable) as member-variable. (Hashtable is in the directory $CATALINA_HOME/lib/). In the Hastable are Objects of the c.class. class a in App1 serialize class b and save it in persistence (poet-)classes in directory ($CATALINA_HOME/lib/). In App2 class a load the serialized class from the persistence classes and deserialize it (--> class b). Then, a ClassNotFoundException (class c) is thrown (see lower). Why??? class b and the Hashtable are loaded, but not class c. It is as follows: ? The applicationClassLoader finds the class b and then the StandardClassLoader finds the Hashtable and then (however??) the StandardClassLoader try to load class c. And of course the class loader can't find the class c! thanks jürgen at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoade r.java:1127) at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoade r.java:992) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:195) at java.io.ObjectInputStream.resolveClass(ObjectInputStream.java:654) at java.io.ObjectInputStream.inputClassDescriptor(ObjectInputStream.java:918) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:366) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236) at java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1186) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236) at com.sun.java.util.collections.Hashtable.readObject(Hashtable.java:773) at java.lang.reflect.Method.invoke(Native Method) at java.io.ObjectInputStream.invokeObjectReader(ObjectInputStream.java:2213) at java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1410) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386) at java.io.ObjectInputStream.inputClassFields(ObjectInputStream.java:2262) at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:519) at java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1411) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236) -- GMX - Die Kommunikationsplattform im Internet. http://www.gmx.net -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
