Hsqldb « Transaction « JPA Q&A

1. JPA - transactions not being commited stackoverflow.com

i'm working on a project in which i use JPA, Hibernate and all this stuff for the first time and i ran into problem with transactions not being commited. I use ...

2. How to start Transaction in JTA EntityManager stackoverflow.com

I have JPA mapping to HSQLDB and persistence.xml reads as below :

<persistence-unit name="HMC">
    <jta-data-source>java:hmc</jta-data-source>
    <class>org.hmc.jpa.models.BloodGroup</class>
    <class>org.hmc.jpa.models.ContactInfo</class>
    <properties>
  ...

3. not defined a non-jta-data-source in JPA stackoverflow.com

I have JPA mapping to HSQLDB and persistence.xml reads as below:

<persistence-unit name="HMC">
  <jta-data-source>java:hmc</jta-data-source>
  <class>org.hmc.jpa.models.BloodGroup</class>
  <class>org.hmc.jpa.models.ContactInfo</class>
  <properties>
    <property 
      name="hibernate.transaction.manager_lookup_class"
 ...

4. JTA transaction in JPA stackoverflow.com

My currect project includes, JPA2.0 on Hibernate platform, HSQLDB2.0 and JBoss5.1 . I have also defined datasource in JBoss under the name hmc. Persistence.xml looks like : <persistence-unit name=HMC><jta-data-source>java:/hmc</jta-data-source>...</persistence-unit> Can anybody let me know ...

5. Connection in JPA stackoverflow.com

Can anyone tell me how do I get transaction in JPA if I have defined jta-data-source? Regards, Satya