parameter « Connection « JPA Q&A

1. What is the missing parameter in connection pooling?

  <property name="connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property>

            <property name="c3p0.max_size">100</property>
 <property name="c3p0.idleConnectionTestPeriod">300</property>
 <property name="c3p0.acquire_increment">1</property> 
 <property name="c3p0.idle_test_period">100</property> <!-- seconds --> 
 <property name="c3p0.max_statements">0</property> 

2. How I can use useUnicode=true&characterEncoding=UTF-8 parameters with JPA connection?

Hi Thank you for reading my post I want to use a connection url like jdbc:mysql://localhost/test?useUnicode=true&characterEncoding=UTF-8 for JPA and in the persistece unit I tried to use them like: when I try to run the application it return an error like: Internal Exception: (1. The reference to entity "characterEncoding" must end with the ';' delimiter.) at oracle.toplink.essentials.exceptions.PersistenceUnitLoadingException.exceptionSearchingForPersistenceResources( at ...

3. Getting Connection Parameters from hibernate config files?

I am somewhat new to hibernate. I was wondering how to get the username/password@connectstring parameters from the applicationContext-hibernate.xml into my java code? From the hibernate.xml file: --------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------- From my code (I don't want to hard code the username password - I want to get the connection information from ...