About Tomcat

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Tutorial
17

Step 3: Define an EJB Session Bean

application servers such as GlassFish and JBoss, and not by servlet containers, such as Tomcat
Tutorial
17

Step 3: Define an EJB Session Bean

containers, such as Tomcat and Jetty. By using EJB classes we can move some work from the application
Forum
10

Problem upgrading

.servlet.http.HttpServlet.service(HttpServlet.java:729) [tomcat-embed-core-8.0.28.jar:8.0.28] at org ... ) [tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.tomcat.websocket
Forum
9

Query Method NullPointerException on List iteration

] at javax.servlet.http.HttpServlet.service(HttpServlet.java:634) ~[tomcat-embed-core-9.0.35.jar:9.0 ... (HttpServlet.java:741) ~[tomcat-embed-core-9.0.35.jar:9.0.35] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-9.0.35.jar:9.0.35
Forum
7

How to resolve 404 errors with Eclipse/Maven Spring MVC

Juno (eclipse-jee-juno-SR1-win32-x86_64), maven 3 and Tomcat 6 to create a new maven project (with a dynamic web facet) and add Tomcat 6 as a server, it asks me if I want to move my guestbook app with the cute little jar icon from the left side to the tomcat side. I say yes and it appears
Forum
6

Database is erased after deploying a new web application version

within Tomcat and uses ObjectDB. Each time I upload a new version of the web application (WAR file) and deploy it from Tomcat's manager, I get a new empty database. I assume there is a way (possibly ... from Tomcat's manager? When should I use the close method of EntityManagerFactory and EntityManager
Issue
6

stress test -> com.objectdb.o.InternalException: null

.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.tomcat.websocket ... .AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603) at org.apache.tomcat ... (ApplicationFilterChain.java:210) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51
Forum
3

How to change properties in urls2.xml?

.xml database local url doesn't work. ( Tomcat says "Connection refused" ) tomcat :( Xirt The solution in #2 is for hiding sensitive ... me to connect to my databases. Unfortunatly, when i am restarting tomcat, port and password of each database
Forum
3

Mismatch client-server protocol prefix

hasn't changed at all. We only converted our WAR to a standalone runnable WAR with embedded Tomcat. In ... . That's all. Basically this also updated all the Spring libraries to a newer version and maybe the tomcat configuration ... between embedded Tomcat / new Spring and ObjectDB. Yesterday I upgraded to Version 2.6.2_06.  In
Issue
3

NullPointerException on TreeSet load

:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) at org.apache ... .coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1417) at org.apache.tomcat.util.net