ok, solved, I've just Overrided the HashCode and Equals methods, that was all,
do not Override toString() method.
| @Override
| public boolean equals(Object obj) {
| if (obj == null) {
| return false;
| }
| if (getClass() != obj.getClass()) {
You need to use an SMPC with the entity converter and configure it
components.xml if not called entityManager.
I improved the error message in CVS (no more NPE :)
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I'm stuck on the exact same problem, if anyone has the answer, it would be
great.
Thanks :).
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ok, begginers mistake!, fixed! ( in the wrong line)
| ...
|
|
|
|
|
|
But the problem persist:
| java.lang.NullPointerException
| at
org.jboss.seam.ui.converter.EntityConverterStore.getEntityManager(EntityConverterStore.java:81)
| at
org.j
I updated the SeamProblemsFAQ to cover this in more depth - a more suitable
place I think.
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That sentence make sense now after all the trouble I have been through.
However, for a beginner, that sentence alone probably will not have much help
initially. It would be more helpful if it states that you have to this and that
or refer to the corresponding sections. Otherwise its become somet
"Reference Manual" wrote : The Seam Application Framework only works with
Seam-managed persistence contexts. By default, the components will look for a
persistence context named entityManager.
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Rep
After some debugging I found the cause of the problem my self. In
components.xml you need to configure managed-persistence-context and also in
persistence.xml you need to set "jboss.entity.manager.factory.jndi.name"
property for your database.
I try to learn seam from the hotel booking examp
Show your components.xml
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Here is the code
| public class FooHome extends EntityHome {
| @In EntityManage em
| @Transactional
| public String persist() {
| getEntityManager().joinTransaction();
| getEntityManager().persist( getInstance() );
| getEntityManager().flush();
|
You've got an NPE in you own code. Fix it. At least show the code that gives
the NPE!
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