JPA + SEAM + Tomcat

Amigos estou com um problema e não sei resolve-lo.

É o seguinte, estou usando jboss seam para gerenciar as transações do meu entityManager (JPA/Hibernate).
Mas pelo o que me parece estou com problemas de sincronização da minha unidade persistente, pois quando abro doi navegadores com sessões separadas e faço alguma alteração ou seja altero ou removo um registro essa alteração se reflete no banco de dados corretamente, mas para outra aplicação é como se o registro ainda existisse, quero dizer ele está mantendo em cache de alguma forma.

segue a configuração do meu persistence.xml

[code]<persistence xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"
version=“1.0”>

&lt;persistence-unit name="mysqlPu" transaction-type="RESOURCE_LOCAL"&gt;				 
	&lt;non-jta-data-source&gt;java:comp/env/jdbc/teste&lt;/non-jta-data-source&gt;						
&lt;/persistence-unit&gt;

</persistence>[/code]

segue meu arquivo components.xml

[code]<?xml version=“1.0” encoding=“UTF-8”?>
<components xmlns="http://jboss.com/products/seam/components"
xmlns:core="http://jboss.com/products/seam/core"
xmlns:persistence="http://jboss.com/products/seam/persistence"
xmlns:transaction="http://jboss.com/products/seam/transaction"
xmlns:security="http://jboss.com/products/seam/security"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:web="http://jboss.com/products/seam/web"
xsi:schemaLocation=
http://jboss.com/products/seam/core http://jboss.com/products/seam/core-2.1.xsd
http://jboss.com/products/seam/persistence http://jboss.com/products/seam/persistence-2.1.xsd
http://jboss.com/products/seam/transaction http://jboss.com/products/seam/transaction-2.1.xsd
http://jboss.com/products/seam/security http://jboss.com/products/seam/security-2.1.xsd
http://jboss.com/products/seam/components http://jboss.com/products/seam/components-2.1.xsd
http://jboss.com/products/seam/security http://jboss.com/products/seam/web-2.4.xsd
http://jboss.com/products/seam/components http://jboss.com/products/seam/web-2.4.xsd”>

&lt;core:manager conversation-timeout="60000" 
              concurrent-request-timeout="500"
              conversation-id-parameter="cid"/&gt;
              
&lt;transaction:entity-transaction entity-manager="#{entityManager}"/&gt;                  
&lt;persistence:entity-manager-factory name="teste" persistence-unit-name="mysqlPu"/&gt;

&lt;persistence:managed-persistence-context name="entityManager" auto-create="true" 
                entity-manager-factory="#{teste}"/&gt;                    
&lt;security:identity authenticate-method="#{authenticator.authenticate}"/&gt;    
&lt;web:ajax4jsf-filter force-parser="true" enable-cache="true" url-pattern="*.jsf"/&gt;    

</components>
[/code]

se alguém puder me dar uma luz, eu ficaria muito agradecido, acho que estou deixando alguma coisa passar mas ainda não me liguei…
Obrigado a comunidade desde já…