[jboss-dev-forums] [Design of EJB 3.0] - ejb3 user transaction and serlvets

[adrian@jboss.org]

Why are servlets using the ejb3 user transaction?

  | 2008-12-01 14:31:44,494 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/jpa-test].[TestServlet]] (http-localhost%2F127.0.0.1-8080-2) Servlet.se
  | rvice() for servlet TestServlet threw exception
  | java.lang.NullPointerException
  |         at org.jboss.ejb3.tx.EJB3UserTransactionProvider.userTransactionStarted(EJB3UserTransactionProvider.java:65)
  |         at org.jboss.ejb3.tx.UserTransactionImpl.begin(UserTransactionImpl.java:74)
  |         at org.jboss.test.jpa.servlet.TestServlet.doGet(TestServlet.java:59)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
  | 

And why do you assume the user transaction will be configured with a registry
of listeners? The NPE is just sloppy.

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