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 j�rgen 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]>
