About Servlet

61-70 of 83Refresh
Forum
2

Online backup problem

Hi, We are trying to create a servlet that performs database online backup. Unfortunately, even though no exception is thrown, backup files aren't created. When I turn on DEBUG logging in ODB, I ... that you are using to run the backup. This is the code I used in my servlet : EntityManagerFactory emf
Forum
2

Problems using Maven Repo

.servlet             jstl             1.2geronimo-servlet_3.0_spec             1.0        
Forum
2

A lot of ENT and SIV instances which are not cleared by GC

simple EJB managers containing EntityManagers. On bean's PreDestroy and in servlet's i make ... .deactivate(HttpRequestContextImpl.java:70) at org.jboss.weld.servlet.WeldListener.requestDestroyed
Forum
2

Spring Data JPA

) at org.apache.catalina.manager.ManagerServlet.doGet(ManagerServlet.java:353) at javax.servlet.http.HttpServlet.service(HttpServlet.java:621) at javax.servlet.http.HttpServlet.service(HttpServlet.java
Forum
2

the tutorial netbeans and javaee6 dont work,

: The servlet is empty - it seems that you missed step 4. There is an unnecessary web.xml file in WEB-INF. To fix the project you should: Fix the servlet following step 4. Delete the web.xml file in
Issue
2

Unexpected exception (Error 990) - NullPointerException

.VerfahrensuebersichtServlet.doPost(VerfahrensuebersichtServlet.java:74) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at org.apache
Forum
2

use of Singleton into tomcat

of singleton for manage all operation on database. I get a instance of it into multiple servlet. but into ... ????   getr me please......... i know that the servlet it multi.tread ad so the operation on db  it not
Forum
1

Integration

this is what i found to be relevant:  http://www.datanucleus.org/servlet/jira/browse/NUCJPA-22 seems they ran
Forum
1

New Web Application Tutorials

with basic concepts and principles of Java web applications, including Servlets, JSP and HTML.
Forum
1

Object belongs to another EntityManager - ERROR

.service(VaadinServlet.java:238) 10:29:15,006 ERROR [stderr] (http--10.23.3.98-8081-5) at javax.servlet