jpa-api | Jakarta Persistence defines a standard for management | Object-Relational Mapping library
kandi X-RAY | jpa-api Summary
kandi X-RAY | jpa-api Summary
Jakarta Persistence defines a standard for management of persistence and object/relational mapping in Java(R) environments.
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Top functions reviewed by kandi - BETA
- Generate schema for given persistence unit name
- Get the singleton PersistenceProviderResolverResolver
- Return stream of results
- Returns a stream for the result set
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jpa-api Examples and Code Snippets
Community Discussions
Trending Discussions on jpa-api
QUESTION
On deploying EJB application on Weblogic : 12.2.1 , I am facing the exception :
"weblogic.management.DeploymentException: java.lang.NoSuchMethodError: javax.persistence.spi.PersistenceUnitInfo.getValidationMode()Ljavax/persistence/ValidationMode"
I have the below configuration in persistence.xml to specify persistence provider
...ANSWER
Answered 2018-May-29 at 17:28It may be possible that javax.persistence_1.0.0.0_2-0-0.jar was added at the beginning and also at the end of server classpath (in DOMAIN_HOME/lib dir).
As a result of this, two versions of the same jar in the same server classpath cause inconsistencies.
SOLUTION Remove javax.persistence_1.0.0.0_2-0-0.jar from the DOMAIN_HOME/lib dir.
QUESTION
On deploying EJB application on Weblogic : 12.2.1 , I am facing the exception :
"Error instantiating the Persistence Provider class org.hibernate.ejb.HibernatePersistence of the PersistenceUnit entityManager: java.lang.ClassNotFoundException: org.hibernate.ejb.HibernatePersistence"
I have the below configuration in persistence.xml to specify persistence provider
...ANSWER
Answered 2018-May-17 at 16:40Adding the hibernate jars to the lib folder of weblogic domain can work ie hibernate.jar , hibernate-api.jar , javax.persistence.jar, com.oracle.jpa2support_ ar and the one's you set in the classpath of setDomainEnv.cmd
Source : -https://docs.oracle.com/cd/E12839_01/web.1111/e13706/classloading.htm#WLPRG324 and https://community.oracle.com/thread/1065416
QUESTION
I was digging inside the source code of hibernate-jpa
today and stumbled upon the following code snippet (that you can also find here):
ANSWER
Answered 2018-Apr-26 at 16:16This is done to make updates done to resolvers
map to other threads by establishing happens before relationship (https://www.logicbig.com/tutorials/core-java-tutorial/java-multi-threading/happens-before.html).
In a single thread the following instructions have happens before relation
QUESTION
i am developping a web application using Maven , JSF 2.2 ,JSTL 1.2.1 , JPA 2.1 , Spring 4.2.9, Hibernate-jpa-api-2.1 i can deploy my application in Tomcat and run it without problems , but i want deploy in weblogic 12.1.1 as well but i got some problems starting my app server :
nested exception is java.lang.NoSuchMethodError : javax.persistance.Table.indexes()[Ljavax/persistence/Index; .... org.springframework.beans.factory.BeanCreationException : Error creatin bean with name 'myEmf' defined in class path resource [jpaConfig.xml] .... Error javax.entreprise.resource.webcontainer.jsf.application
i have created a weblogic.xml in my deployed war like this :
...ANSWER
Answered 2017-Nov-16 at 12:34The error message "java.lang.NoSuchMethodError" indicates a library collision with the JPA 2.0 Library of Weblogic. Since you are packing your own library for that, try adding "javax.persistence.*" to the weblogic.xml
Option 2: Add the JPA 2.1 Support to weblogic classpath
In your domain/bin/setDomainEnv (.cmd for windows, .sh for unix) add a PRE_CLASSPATH Variable. On a windows System this would look like this:
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Install jpa-api
You can use jpa-api like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the jpa-api component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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