JBoss 4.0 EJB helloworld
Development Environment: Java SDK 1.4.2, JBoss 4.0, Windows 2003
The development of sessionbean EJB requires at least three classes, remote interface, home interface, and bean implementation (bean behavior ).
1. remote interface is used to reveal some external methods of EJB.
Package helloworld; import javax. EJB. ejbobject;Import java. RMI. RemoteException;Public interface remotehe
The JBoss version is jboss-4.2.3.ga-jdk6.zip and the operating system is Windows Server R2.1. The system has installed a good JAVA environment, Java_home has been configured;2. Download the required files. Download from http://www.jboss.org/jbossweb/downloads/jboss-native-2-0-10.html.3. Download the file from the previous step, unzip it, and copy all the files un
Install JDK, Maven, and Jboss on CentOS
All previous projects were deployed in the windows system environment. This time, we tried to deploy them in the Linux system environment, so this time, we have installed JDK, Maven, and Jboss on seven hosts, one of which has installed Mysql, and configured the lan. Finally, we are done. The installation steps are as follows!
System Version: centos6.332-bit Operating
JBoss is a free open-source application server that fully supports J2EE, including JSP, Servlets, and EJB. To familiarize J2EE developers with JBoss quickly, this article will take you on a JBoss journey, including downloading, installing, deploying applications, and configuring data sources.
Tool preparation
To run
These days into a new company, and then the first day began to build a variety of environments, because the original Tomcat container has been used, and then the first contact with the JBoss container, after the build, launched in the MyEclipse JBoss container, and then want to visit in the browser to see, Directly enter the IP address +jboss port number, the bro
First, JBoss installation
1) unzip directly to the directory path without spaces. Example: D:\C\Java\jboss-5.0.1.GA\
JBoss folder description: \ bin does not explain the \server home directory, which is divided into default, all, minimal, and several "users"
Commonly used: \server\default\ This directory, publish the project directory is: \server\default\deploy\
Official homepage: http://www.seamframework.org/Home
Development environment: JBoss Developer Studio (or use eclipse+jbosstools[http://www.jboss.org/tools/download/index.html] is also available).
In the IDE environment, create a new seam project by creating a new seam Web project, and after configuring the database, the model class is automatically created using seam Generate entities.
Unfortunately, seam Generate entities function is not very good, f
Jboss EJB 3.0
Stateless Beans
Calculator.java//Calculator interface: Add, subtract
Package Org.jboss.tutorial.stateless.bean;
public interface Calculator
{
int add (int x, int y);
int subtract (int x, int y);
}
Calculatorbean.java
Package Org.jboss.tutorial.stateless.bean;
Import javax.ejb.Stateless;
@Stateless//Mark Calculatorbean as stateless bean, implementation for local and remote i
1. Place the Ojdbc14.jar bag under the $JBOSS _home$/server/default/lib2. Under the $jboss_home$/server/default/deployCreate Oracle-ds.xml with the following contents
3. Under the $jboss_home$/server/default/deployCreate the Test.war folder under which you create the test file test.jsp, which reads as follows:
DataSource ds = null;Context Initctx = new InitialContext ();Context Envctx = (context) initctx.lookup ("java:comp/env");ds = (DataSource) env
Original article address: Workshop. -- Jiangnan Baiyi
A Java World Service Processing Server Always meets the javaee specifications of JNDI/JMX/JMS/JTA/Web Service/RMI/CORBA/EJB/clustering. Geromino has made great achievements by following the flourishing Java open-source community and using JDK + open-source implementation to piece together the specifications encountered. You can also build the service engine on JBoss like some European telecom compa
I learned how to call EJB in JBoss.
Then I learned how to call JBoss's EJB FOR THE WEB Project in Tomcat.
Environment:
Tomcat5.5 + jboss4.0.4
First, create a Java project in eclipse.
Create two files
Helloworld. Java
Package com;
Public interface helloworld {Public String sayhello (string name );}
Helloworldbean. Java
Package com;IMPORT javax. EJB. Remote;IMPORT javax. EJB. stateless;
@ Stateless@ Remote ({helloworld. Class })Public class helloworldb
1, to D:/jboss-5.0.0.GA-jdk6/jboss-5.0.0.GA/docs/examples/JCA/directory find the mssql-ds.xml file, modify the parameters, including the connection name, user name, password and so on.
Then publish the data source to copy the file to the D:/jboss-5.0.0.GA-jdk6/jboss-5.0.0.GA/Server/defa
Http://seanhe.iteye.com/blog/841723
Since JBoss 4.2.x is used in projects, the analysis on this version here is not necessarily applicable to other JBoss versions. Let's get down to the truth.To share classes, JBoss introduces the class loader repository concept, and designs org. jboss. mx. loading. unigiedclassloader
must be remote:@Stateless (name= "Classeao") @Remote (Classeao.class) @TransactionManagement (Transactionmanagementtype.container) @ TransactionAttribute (transactionattributetype.required) public class Classeaoimpl extends exambasewe are EAO the implementation of the add-on remote annotation. 2 , we inject Bean when you need to use a remote JNDI , in their own Web Layer Spring-mvc.xml the inside configuration, i.e.Note the above Jndi-name , our project is to make a Ear package, and removed the
Summary: Apache/tomcat/jboss/nginx differences.
1, Apache is a Web server, Tomcat is an application (Java) server. Tomcat is commonly used in small and medium-sized systems and in situations where concurrent access users are not many. Apache supports static pages, and Tomcat supports dynamic.
2. The Jetty:tomcat kernel acts as its servlet container engine and is reviewed and tuned. Large and medium-sized systems can be applied. The ability to provide
: This article mainly introduces the differences between ApacheTomcatJBOSSJettyNginx and others interested in PHP tutorials. Summary: differences between Apache, Tomcat, JBOSS, and Nginx.
1. Apache is a Web server and Tomcat is an application (Java) server. Tomcat is not widely used in small and medium systems and concurrent access to many users. Apache supports static pages and Tomcat supports dynamic pages.
2. Jetty: the Tomcat kernel is used as its
Build JBoss ClusterCluster benefits1. Use the HTTP service server to load balance and reduce the pressure on each server. 2. Program deployment, upgrade for the client will not have an impact, the implementation of one-click Switch. 3. Improve the ability to handle static files. Connection mode JKJK is communicating with the JBoss server via the AJP protocol, and the port of
JBoss startup timeout in eclipse
"Was unable to start within 50 seconds" appears when JBoss is started in eclipse"
Error, onlineArticleMost of them are solved by adding the start timeout time, but there is no reason for this.
Here is a summary based on your own experience. "Was unable to start within 50 seconds" appears when JBoss is started in eclipse"
There
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