Chris Pat wrote:
Hi Dave
Okay the code is below. What I am doing is creating
sampleRequest from the action, then calling isAllowed.
The sampleRequest is being successfully made and
persisted in the db. The isAlowed is failing. I got
both working from fine from the command line. I am a
relative struts newbie and this is the first time I am
trying this type of coding under Tomcat 5.5.12.
Thanks for your attention and any comments.
public class sampleRequest
implements InstanceCallbacks {
private String fromHere;
private Date atThisTime;
private String thisMP3;
private String thisSession;
private String type;
public sampleRequest() {
}
public sampleRequest(String remoteAddr, Date
dateTime, String thisMP3,
String thisSession, String
type, PersistenceManager pm) {
/**
PersistenceManagerFactory pmf =
KodoHelper.getPersistenceManagerFactory(
"kodo.properties");
PersistenceManager pm =
pmf.getPersistenceManager();
**/
String db =
pm.getPersistenceManagerFactory().getConnectionURL();
System.out.println("the database= " + db);
this.fromHere = remoteAddr;
this.atThisTime = dateTime;
this.thisMP3 = thisMP3;
this.thisSession = thisSession;
this.type=type;
pm.currentTransaction().begin();
pm.makePersistent(this);
pm.currentTransaction().commit();
//pm.close();
}
public boolean isAllowed(int
samples,PersistenceManager pm) {
//051112 cp could be very dangerous on the issue
of closing the pm.
//051112 cp for production really the same issues,
just getting it from the TC plugin.
//051120 cp question if I can really use the same
pm. cant get a new one.
//051121 cp i am assuming the pm will "stay" with
the object. this could be dangerous.
/**
PersistenceManagerFactory pmf =
KodoHelper.getPersistenceManagerFactory("kodo.properties");
PersistenceManager pm =
pmf.getPersistenceManager();
**/
KodoQuery q = (KodoQuery)
pm.newQuery(filesDM.helper.sampleRequest.class,"thisSession==thisSession
& thisSession!=null");
q.setResult("count(this)");
Long count = (Long) q.execute();
System.out.println("from isAllowed count= " +
count);
q.close(count);
pm.close();
boolean
returnValue=(samples<count.intValue()?false:true);
System.out.println("samples < count.intValue())?
false : true "+returnValue);
return returnValue;
}
}
Is hte string printed out properly - do you see it in out stream? can
you submit some code that actually calls this isAllowed() method.
I'll suggest you simple test - comment all the code in this method and
just return true - then you can understand where this
NullPointerException comes from. if everything is fine, then it ocurs in
this method and Struts doesn't have anything to do with the problem.
Borislav
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