#3 NPE when creating a new Post

[Emerson C]

The following error was caused by a Post created
without any categories set. It was used editor-text.jsp
editor

java.lang.NullPointerException
at
net.eyde.personalblog.struts.action.PostSaveAction.executeFinish(PostSaveAction.java:106)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at
org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:280)