Hello, I checked the entity resolver value. Indeed, in this situation the value is 'null'.
Marc -----Original Message----- From: Andrus Adamchik [mailto:[EMAIL PROTECTED] Sent: Friday, March 30, 2007 4:16 PM To: [email protected] Subject: Re: Cayenne -- Apache automatic deploy problem I can't reproduce this error in a test case. I am out of ideas what might have caused it. Can you possibly debug this condition to figure out why the 'metadata' field in DataContextQueryAction is null? First thing to check: m_editableGroup.getObjectContext().getEntityResolver() != null Andrus On Mar 30, 2007, at 5:24 PM, Marc Gabriel-Willem wrote: > Hello, > > Sorry, it is the first time I'm using a list like this one. So, I'm > doing some crazy error with it :) For example, I hope my "reply > all" is > a correct action to do in this case. > > I saw your first reply. > > I have exactly the same error when I stop and restart properly the > Tomcat server. In fact, stoping and restarting the server simulate the > serialization / deserialization operation that an application > server can > do at any time it wants (isn't it ?) > > Marc > > -----Original Message----- > From: Andrus Adamchik [mailto:[EMAIL PROTECTED] > Sent: Friday, March 30, 2007 3:09 PM > To: [email protected] > Cc: Marc Gabriel-Willem > Subject: Re: Cayenne -- Apache automatic deploy problem > > Hi, See my original reply asking for more information here: > > http://objectstyle.org/cayenne/lists/cayenne-user/2007/03/0101.html > > BTW, it would be much easier to communicate if you subscribe to the > list :-) > > Andrus > > > On Mar 30, 2007, at 4:46 PM, Marc Gabriel-Willem wrote: > >> Hi, >> >> >> >> Sorry to repost that question, but I was not properly register to the >> mailing list, so I was unable to reply properly. >> >> >> >> 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.interceptPaginatedQu >> e > >> 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 >> >> >> >> >> > > >
