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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
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2

Eclipse/JPA database tutorial

your main page rather than the servlet? In this example the servlet sets the "guest" attribute
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1

Again about $temp from objectdb.conf

I am using the 2.4.5 distribution and I'd like to set up $temp to another folder than the system uses. In my web application I use a servlet to configure some values: public void init(ServletConfig config) throws ServletException { super.init(config); System.setProperty("objectdb.home
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1

app.jelastic.eapps.com and objectdb

It seems that this web hosting service doesn't support objectdb and that is frustrating. Does anyone know a way around this? pls help a brother... You should be able to use ObjectDB on any real VPS, apparently including on eapps.com. Are you able to run Java and servlets on that hosting
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1

Attempt to begin a new transaction when a transaction is active

() that prevented it from fulfilling this request. exception javax.servlet.ServletException: com.objectdb.o
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1

Integration

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

New Web Application Tutorials

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