Hi Marc,
> I'm using Cayenne (2.0.2) with the apache web server (5.5.20) and I'm
> facing to the following problem.
You mean Tomcat, not apache web server (which would be httpd)?
> When apache does an automatic deploy, all objects are serialized /
> deserialized without any error.
>
> But after that, when the code accesses a cayenne persistent object
> (member variable of a jsf backing bean), the following problem occurs:
Does it also happen on clean redeploy? I.e. you shut down Tomcat,
replace the war, and start Tomcat. Or is this a symptom of hot deploy
on the running server?
Andrus
On Mar 14, 2007, at 2:21 PM, Marc Gabriel-Willem wrote:
> Hi,
>
>
>
> I'm using Cayenne (2.0.2) with the apache web server (5.5.20) and I'm
> facing to the following problem.
>
>
>
> When apache does an automatic deploy, all objects are serialized /
> deserialized without any error.
>
> But after that, when the code accesses a cayenne persistent object
> (member variable of a jsf backing bean), the following problem occurs:
>
>
>
> Caused by: java.lang.NullPointerException
>
> at
> org.apache.cayenne.access.DataContextQueryAction.interceptPaginatedQue
> ry
> (DataContextQueryAction.java:91)
>
> at
> org.apache.cayenne.access.DataContextQueryAction.execute
> (DataContextQuer
> yAction.java:50)
>
> at
> org.apache.cayenne.access.DataContext.onQuery(DataContext.java:1387)
>
> at
> org.apache.cayenne.access.DataContext.performQuery(DataContext.java:
> 1376
> )
>
> at
> org.apache.cayenne.access.ToManyList.resolvedObjectList
> (ToManyList.java:
> 307)
>
> at
> org.apache.cayenne.access.ToManyList.size(ToManyList.java:260)
>
> at
> com.sideinternational.web.profiling.group.GroupEditor.save
> (GroupEditor.j
> ava:246)
>
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>
> at
> sun.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.jav
> a:39)
>
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessor
> Impl.java:25)
>
> at java.lang.reflect.Method.invoke(Method.java:585)
>
> at
> org.apache.myfaces.el.MethodBindingImpl.invoke
> (MethodBindingImpl.java:13
> 2)
>
>
>
> For information, the following code throws that exception (the call to
> the size() method) :
>
> List itemsToRemove = m_editableGroup.getGroupContentArray();
>
> for (int i=0; i < itemsToRemove.size(); i++)
>
> ...
>
> Note: Child data context and ObjectEntities are stored in a
> serializable
> jsf backing bean.
>
>
>
> Thank you for your help.
>
>
>
> Marc Gabriel
>
>
>
>
>
>
>
This archive was generated by hypermail 2.0.0 : Wed Mar 14 2007 - 09:27:47 EDT