[ http://issues.apache.org/jira/browse/OJB-30?page=comments#action_64119 ]
Bobby Lawrence commented on OJB-30:
-----------------------------------
Here is more from the stack trace...
Sorry I couldn't get line numbers...
java.lang.NullPointerException
at org.apache.ojb.broker.core.proxy.ProxyHelper.getRealClass(Unknown
Source)
at
org.apache.ojb.broker.core.PersistenceBrokerImpl.storeAndLinkOneToMany(Unknown
Source)
at
org.apache.ojb.broker.core.PersistenceBrokerImpl.storeCollections(Unknown
Source)
at org.apache.ojb.broker.core.PersistenceBrokerImpl.storeToDb(Unknown
Source)
at org.apache.ojb.broker.core.PersistenceBrokerImpl.store(Unknown
Source)
at org.apache.ojb.broker.core.PersistenceBrokerImpl.store(Unknown
Source)
at org.apache.ojb.broker.core.DelegatingPersistenceBroker.store(Unknown
Source)
at org.apache.ojb.broker.core.DelegatingPersistenceBroker.store(Unknown
Source)
at
org.jlab.mis.apps.mics.ejb.MicsManagerBean.addProject(MicsManagerBean.java:397)
> Check for null object in array
> ------------------------------
>
> Key: OJB-30
> URL: http://issues.apache.org/jira/browse/OJB-30
> Project: OJB
> Type: Improvement
> Components: PB-API
> Versions: 1.0.x CVS
> Environment: Windows XP, JVM 1.4.2
> Reporter: Bobby Lawrence
> Priority: Minor
>
> It took me a while to figure out why I was getting this null pointer
> exception, but eventually, I did...
> java.lang.NullPointerException at
> org.apache.ojb.broker.core.proxy.ProxyHelper.getRealClass
> I have a persistent object that has a 1:n relationship with another object.
> This is represented by an array of objects inside the "parent".
> In my code, I was setting the array size to 2 for instance, but I was only
> placing one into the array.
> The ProxyHelper class saw a size of 2, but when it tried to get the second
> one out, it got a null.
> Is it possible to check for a null object when we are persisting the
> collection?
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