Regardless of good practice, the point here is you have two options to model this: Elect to manually assign the Department‘s Id on the Employee. Associate the new Employee with an existing Department entity at save. Which you pick really depends on a number of factors. Often the former is chosen when working with legacy … Read more
Your query looks like this: “SELECT E.username FROM MyUser E” The E.username part will return a list of username Strings. It should be From MyUser to get MyUser objects. Something like: List<MyUser> p1 =sn.createQuery(“FROM MyUser”).list(); 1 solved java.lang.ClassCastException: java.lang.String cannot be cast to
Check pg_hba.conf for allowed hosts for connection. Under VPN you obviously have another IP then in local network. solved Hibernate connection with postgresql on vps not working
Found the answer in this article : Hibernate 5 in Payara Briefly, add Hibernate dependencies in your pom.xml, replace payara/glassfish jboss-logging.jar /lib with latest and then restart server. Your project should have in the persistence.xml its provider org.hibernate.jpa.HibernatePersistenceProvider and property name=”hibernate.transaction.jta.platform” value=”org.hibernate.service.jta.platform.internal.SunOneJtaPlatform” solved How To configure Hibernate as a JPA provider for Payara/Glassfish 4.1? [closed]
Without more detail, I can only offer general advice, but here goes: Start by profiling the application to see where the bottlenecks actually are. See this question for a list of profiling tools. The golden rule is to measure first, then optimise only what needs optimising! Once you know where improvements need to be made, … Read more
Using the built in equals for this kind of test is a bad idea for a couple of reasons: As you can see here, a test failure doesn’t give you the diagnostics that you want to actually figure out why the objects are different If you’re implementing equals purely for the test, if it changes … Read more
If you want do decrease the degree of coupling to a certain orm tool, then jpa is a good choice. It defines a set of well defined apis that you may use with any existing persistence provider. Some projects require a specific persistence provider. Hence the jpa allows you to apply (not only) the basic … Read more
It was a problem with maven project update ,I hadn’t update my project after installing plugins so i couldn’t access even eclipse marketplace anymore. After correcting that, I change the version in hibernate configure file wizard from 5.3 into 4.3 and I was able to get the hibernate.config.xml in my main repository. Hope I can … Read more
Exception in thread “main” org.hibernate.InvalidMappingException: Could not parse mapping document from resource employee.hbm.xml solved Exception in thread “main” org.hibernate.InvalidMappingException: Could not parse mapping document from resource employee.hbm.xml
I solved it using “order by col_1_0_” in above query.. because hibernate creates column with names col_0_0_, col_1_0_, col_2_0_ and so on.. so if you just need to know the order of your column and add it to order by accordingly.. Thanks. amar4kintu 1 solved HQL Order by query giving problem
You can’t cast them if they are not realted . The class of the object you’re casting and the class you’re casting it to must be related by inheritance; that is, you can cast an object only to an instance of its class’s sub- or superclass-not to any random class. Side note: Casting downward in … Read more
Can you check these things: XML declaration is present XML declaration should be on first line and there should not be any space before this. xml is not used anywhere. 2 solved org.hibernate.HibernateException- Could not parse configuration [closed]
I have just started to learn the Hibernate and found this in various online sites : mapping.xml and config.xml has to be defined outside the pojo package? You can put xml configurations whenever you want. For an example SessionFactory factory = new Configuration().configure().buildsessionFactory(); Configure a session factory from the default hibernate.cfg.xml. It is the same … Read more
The problem with an alias com in HQL. com.company.location.entities.Compte has an incorrect meaning with this alias. select com from Compte com where com.statuts=”actif” and com.user=””+user+”” and com.pwd='”+pwd+”‘ ” + “and com.personnels.id in (select p.id from Personnels p where statuts=”actif” Just change it to compte select compte from Compte compte where compte.statuts=”actif” … And, please, use … Read more
In HQL/JPQL, you don’t make reference to database column names, you reference property names instead. Use syncStatus in the query, not sync_status. solved org.hibernate.QueryException: could not resolve property: