Session saveorupdate not updating
if I call Active() it throughs null pointer tx.commit() is not throwing any exception. Null Pointer Exception at org.hibernate.transaction. Native Method Accessor Impl.invoke(Native Method Accessor Impl.java:39) at sun.reflect.This is the exception showing in server(JBoss) ,437 ERROR [Log Interceptor] Runtime Exception in method: public abstract void com.groups. Delegating Method Accessor Impl.invoke(Delegating Method Accessor Impl.java:25) at reflect.
JPA’s merge method copies the state of a detached entity to a managed instance of the same entity.
to store the changes of a detached entity in the database.
That’s why a lot of developers are wondering which of these methods they should use.
This might be a problem if your DBA registered an update trigger for the database table.
In these situations, you can annotate your entity with ,530 INFO Test Persist Save Merge:121 - Before commit ,531 DEBUG SQL:92 - select author_.id, author_.first Name as first Nam2_0_, author_Name as last Name3_0_, author_.version as version4_0_ from Author author_ where author_.id=?
Search for session saveorupdate not updating:
,368 INFO Test Persist Save Merge:237 - Save entity ,482 DEBUG SQL:92 - select tbl.next_val from hibernate_sequences tbl where tbl.sequence_name=? ,584 INFO Test Persist Save Merge:240 - Commit transaction ,655 DEBUG SQL:92 - insert into Author (first Name, last Name, version, id) values (? The only ones that remain are 2 corner cases in which Hibernate might delay the retrieval of the primary key, the return type of the method and the support by other JPA implementations.
It is clear that the apps violate this policy, which tells us the developers are already breaking the rules.