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From Joel Halbert <j...@su3analytics.com>
Subject Re: How to disable caching?
Date Tue, 08 Feb 2011 12:44:40 GMT
OK, so I was using BoneCP as the connection pool manager.
When I reverted to DHCP the problem vanished.

Any ideas as to why this should be the case?



On Tue, 2011-02-08 at 12:23 +0000, Joel Halbert wrote:
> Hi,
> 
> I have performed a test to confirm that I don't seem to be able to
> disable caching (2.0.1).
> 
> I've set the following properties:
> 
> 
> <property name="openjpa.DataCache" value="false"/>
> <property name="openjpa.QueryCache" value="false"/>
> <property name="openjpa.jdbc.QuerySQLCache" value="false"/>
> 
> 
> 
> And I can see the correct values of these properties are logged out when
> I start my app.
> 
> 
> When I create the entity Test.java  (below), and run it's main method
> (with the TEST table empty to start with) and then subsequently manually
> insert into the test table:
> 
> insert into TEST values (1,'a');
> 
> it never picks up on the inserted values, even though I am creating a
> new EntityManager for each iteration where I perform the query on Test. 
> 
> What could I be doing wrong!? 
> 
> Thanks
> Joel
> 
> --------------------------------------------------
> 
> 
> 
> 
> package com.su3analytics.sitedelta.model;
> 
> 
> 
> import java.util.List;
> 
> import javax.persistence.Access;
> import javax.persistence.AccessType;
> import javax.persistence.Column;
> import javax.persistence.Entity;
> import javax.persistence.EntityManager;
> import javax.persistence.EntityManagerFactory;
> import javax.persistence.GeneratedValue;
> import javax.persistence.GenerationType;
> import javax.persistence.Id;
> import javax.persistence.Persistence;
> import javax.persistence.Table;
> import javax.persistence.TypedQuery;
> 
> @Entity
> @Access(AccessType.PROPERTY)
> @Table(name="TEST")
> public class Test {
> 
> 	private int id;
> 	private String name;
> 	
> 	@Id
> 	@GeneratedValue(strategy = GenerationType.IDENTITY)	
> 	@Column(name="ID")
> 	public int getId() {
> 		return id;
> 	}
> 	public void setId(int id) {
> 		this.id = id;
> 	}
> 	
> 	@Column(name="NAME")
> 	public String getName() {
> 		return name;
> 	}
> 	public void setName(String name) {
> 		this.name = name;
> 	}
> 	
> 	// SIMPLE TEST CASE
> 	public static void main(String[] args) throws Exception {
> 		EntityManagerFactory factory = Persistence.createEntityManagerFactory("su3", null);
> 		while(true) {
> 			EntityManager em = factory.createEntityManager();
> 			TypedQuery<Test> q = em.createQuery("select t from Test t", Test.class);
> 			List<Test> res = q.getResultList();
> 			for (Test t :res) {
> 				System.out.println(t.getId()+", " + t.getName());
> 			}
> 			Thread.sleep(1000);
> 			em.close();
> 		}
> 	}
> }
> 



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