我猜你正在使用Spring Boot，也许还有Spring JMS，你有一个@Autowired引用到一个ConnectionFactory。原因将...
java.lang.ClassCastException: javax.naming.Reference cannot be cast to examples.stateless.Hello Hello aaa = (Hello)ctx.lookup("HelloBeanSeet"); Doesnt seem to work. Tried this link too https://coderanch.com/t/454071/EJB-Certification-SCBCD/certification/javax-naming-Reference-cannot-cast#...
Exception in thread "main" java.lang.ClassCastException: com.sun.proxy.$Proxy2 cannot be cast to com.test.ejb.EjbTest at com.ejb.test.EjbClientTest.main(EjbClientTest.java:12) 出现的原因有二: 1.你的EjbTest没有显示sayHello接口 @Stateless @Remote({EjbTestRemote.class}) public class EjbTes...
Universal Connection Pool - Version 21.5 and later: java.lang.ClassCastException: oracle.jdbc.replay.OracleDataSourceImpl cannot be cast to javax.naming.spi.ObjectFa
org.apache.naming.ResourceRef cannot be cast to javax.sql.DataSource The application code works fine with the old MySQL and Tomcat in both Fedora and Windows. I can't figure out what I may have done wrong or where to turn next.
exception: org.apache.naming.ResourceRef cannot be cast to javax.sql.DataSource This isn't the error message you posted earlier. The one you posted earlier was: " 2010-01-25 15:56:06:*WARNING*Connection to jdbc/MySql:: connect Other ...
An alternative to theDriverManagerfacility, aDataSourceobject is the preferred means of getting a connection. An object that implements theDataSourceinterface will typically be registered with a naming service based on the JavaTM Naming and Directory (JNDI) API. TheDataSourceinterface is implemented ...
* @param name the name to bind; may not be empty * @exception NameNotFoundException if an intermediate context does not * exist * @exception NamingException if a naming exception is encountered */ @Override public void unbind(String name) throws NamingException { File file = file(name); if...
我可以(以及如何)在 EJB 模块中使用 javax.naming.Context#lookup 查找 CDI 托管 bean 吗?//get reference to BeanManager BeanManager bm = CDI.current().getBeanManager(); Bean<CrudService> bean = (Bean<CrudService>) bm.getBeans(CrudService.class).iterator().next(); CreationalContext<CrudService>...
class.cast(resource); } } } catch (SystemException e) { // we wouldn't expect this to happen, but lets log it and fall through to the previous behaviour LOGGER.warning("Attempting to get the current transaction failed with an error: " + e.getMessage(), e); } return null; } ...