Hello everybody. After fail of attempt to use contrib:TreeView component, I try to use tacos:Tree component. Tree nodes which are child for root node (child nodes for contentProvider) are displayed, but when I try to expand any of this nodes, I'm confronted with following exception:
Failure invoking listener method 'public void net.sf.tacos.tree.Tree. expansion(org.apache.tapestry.IRequestCycle)' on [EMAIL PROTECTED]/ tree]: Null parameter passed. More detailed: java.lang.IllegalArgumentException Null parameter passed. Stack Trace: net.sf.tacos.tree.TreeManager.<init>(TreeManager.java:22) net.sf.tacos.tree.Tree.getManager(Tree.java:167) net.sf.tacos.tree.Tree.expansion(Tree.java:91) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl. java:25) java.lang.reflect.Method.invoke(Method.java:324) org.apache.tapestry.listener.ListenerMethodInvokerImpl. invokeTargetMethod(ListenerMethodInvokerImpl.java:214) ............. Can anybody help me to resolve this problem? Tahks in advance, Vano --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
