EJB Complete Sample 2 – Server

Posted on October 22, 2021October 22, 2021 by coder

For ejb server I need 2 Files,

Interface
Implementation
Ejb-JAR.xml : META-INF for module Name

# Remote interface

package com.kutay.zorlu.ejbremote.server;
import java.util.Map;
import javax.ejb.Remote;
/**
 * Remote interface for {@link ExampleService}.
 * @author Kutay Zorlu
 */
@Remote
public interface ExampleService {
	/**
	 * Greet a name.
	 * @param name name to greet
	 * @return "Hello $name!"
	 */
	public String greet(String name);

	/**
	 * Get the system properties from the server.
	 * @return system properties as map
	 */
	 public Map<Object, Object> getSystemProperties();
}

package com.kutay.zorlu.ejbremote.server;

import java.util.Map;

import javax.ejb.Remote;

/**

* Remote interface for {@link ExampleService}.

* @author Kutay Zorlu

@Remote

public interface ExampleService {

/**

* Greet a name.

* @param name name to greet

* @return "Hello $name!"

public String greet(String name);

/**

* Get the system properties from the server.

* @return system properties as map

public Map<Object, Object> getSystemProperties();

}

# Implementation

package com.kutay.zorlu.ejbremote.server;

import java.util.HashMap;
import java.util.Map;

import javax.ejb.Stateless;

/**
 * Implementation of {@link ExampleService}.
 * @author Kutay Zorlu
 *
 */
@Stateless
public class ExampleServiceImpl implements ExampleService {

	@Override
	public String greet(String name) {
	    return "Hello " + name + "!";
	}

	@Override
	public Map<Object, Object> getSystemProperties() {
	    return new HashMap<>(System.getProperties());
	}
}

package com.kutay.zorlu.ejbremote.server;

import java.util.HashMap;

import java.util.Map;

import javax.ejb.Stateless;

/**

* Implementation of {@link ExampleService}.

* @author Kutay Zorlu

@Stateless

public class ExampleServiceImpl implements ExampleService {

@Override

public String greet(String name) {

return "Hello " + name + "!";

}

@Override

public Map<Object, Object> getSystemProperties() {

return new HashMap<>(System.getProperties());

}

Build Result : maven package

main/resources/META-INF/ejb-jar.xml

<ejb-jar xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/ejb-jar_3_2.xsd"
	version="3.2">
	<module-name>ejb-remote-server-kutay</module-name>
</ejb-jar>

<ejb-jar xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/ejb-jar_3_2.xsd"

version="3.2">

<module-name>ejb-remote-server-kutay</module-name>

</ejb-jar>

pom.xml

<?xml version="1.0"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>com.kutay.zorlu</groupId>
	<artifactId>ejb-remote-server-kutay</artifactId>
	<version>1.0.0</version>
	<packaging>ejb</packaging>
	<name>WildFly Example: EJB Remote Server</name>
	<description>Server-Side EJB for remote EJB example on Wildfly</description>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<!-- JBoss dependency versions -->
		<version.jboss.spec.javaee.7.0>1.0.0.Final</version.jboss.spec.javaee.7.0>

		<!-- other plugin versions -->
		<version.compiler.plugin>3.1</version.compiler.plugin>
		<version.ejb.plugin>2.3</version.ejb.plugin>

		<!-- maven-compiler-plugin -->
		<maven.compiler.target>1.7</maven.compiler.target>
		<maven.compiler.source>1.7</maven.compiler.source>
	</properties>

	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>org.jboss.spec</groupId>
				<artifactId>jboss-javaee-7.0</artifactId>
				<version>${version.jboss.spec.javaee.7.0}</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>

	<dependencies>
		<dependency>
			<groupId>org.jboss.spec.javax.ejb</groupId>
			<artifactId>jboss-ejb-api_3.2_spec</artifactId>
			<scope>provided</scope>
		</dependency>
	</dependencies>

	<build>
		<!-- Set the name of the deployment -->
		<finalName>${project.artifactId}</finalName>
		<plugins>
			<plugin>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>${version.compiler.plugin}</version>
				<configuration>
					<source>${maven.compiler.source}</source>
					<target>${maven.compiler.target}</target>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-ejb-plugin</artifactId>
				<version>${version.ejb.plugin}</version>
				<configuration>
					<ejbVersion>3.1</ejbVersion>
				</configuration>
			</plugin>
		</plugins>
	</build>

</project>

<?xml version="1.0"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

<groupId>com.kutay.zorlu</groupId>

<artifactId>ejb-remote-server-kutay</artifactId>

<name>WildFly Example: EJB Remote Server</name>

<description>Server-Side EJB for remote EJB example on Wildfly</description>

<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

<version.jboss.spec.javaee.7.0>1.0.0.Final</version.jboss.spec.javaee.7.0>

<version.compiler.plugin>3.1</version.compiler.plugin>

<version.ejb.plugin>2.3</version.ejb.plugin>

<maven.compiler.target>1.7</maven.compiler.target>

<maven.compiler.source>1.7</maven.compiler.source>

</properties>

<groupId>org.jboss.spec</groupId>

<artifactId>jboss-javaee-7.0</artifactId>

<version>${version.jboss.spec.javaee.7.0}</version>

<scope>import</scope>

</dependency>

</dependencies>

</dependencyManagement>

<groupId>org.jboss.spec.javax.ejb</groupId>

<artifactId>jboss-ejb-api_3.2_spec</artifactId>

<scope>provided</scope>

</dependency>

</dependencies>

<build>

<finalName>${project.artifactId}</finalName>

<artifactId>maven-compiler-plugin</artifactId>

<version>${version.compiler.plugin}</version>

<source>${maven.compiler.source}</source>

<target>${maven.compiler.target}</target>

</configuration>

</plugin>

<groupId>org.apache.maven.plugins</groupId>

<artifactId>maven-ejb-plugin</artifactId>

<version>${version.ejb.plugin}</version>

</configuration>

</plugin>

</plugins>

</build>

</project>

EJB Complete Sample 2 – Client

Posted on October 22, 2021October 22, 2021 by coder

Client Main.java

package com.kutay.zorlu.ejbremote;

import static javax.naming.Context.INITIAL_CONTEXT_FACTORY;
import static javax.naming.Context.PROVIDER_URL;
import static javax.naming.Context.URL_PKG_PREFIXES;

import java.util.Hashtable;
import java.util.Map;

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;

import com.kutay.zorlu.ejbremote.server.ExampleService;

/**
 * Remote EJB Client.
 * @author Kutay ZORLU
 *  
 */
public class EjbRemoteClient {

	/**
	 * Run example.
	 * 
	 * @param args
	 * (not used)
	 */
	public static void main(String[] args) {

		// Connection to Wildfly Server instance
		String host = "127.0.0.1";
		String port = "8080"; // Wildfly HTTP port

		Context remotingContext;
		try {
			remotingContext = createRemoteEjbContext(host, port);
		} catch (NamingException e) {
			System.err.println("Error setting up remoting context");
			e.printStackTrace();
			return;
		}

		// Syntax: ejb:${appName}/${moduleName}/${beanName}!${remoteView}
		// appName = name of EAR deployment (or empty for single EJB/WAR
		// deployments)
		// moduleName = name of EJB/WAR deployment
		// beanName = name of the EJB (Simple name of EJB class)
		// remoteView = fully qualified remote interface class
		String ejbUrl = "ejb:/ejb-remote-server-kutay/ExampleServiceImpl!com.kutay.zorlu.ejbremote.server.ExampleService";
                                              # Module NAME!    


		ExampleService service;
		try {
			service = createEjbProxy(remotingContext, ejbUrl, ExampleService.class);
		} catch (NamingException e) {
			System.err.println("Error resolving bean");
			e.printStackTrace();
			return;
		} catch (ClassCastException e) {
			System.err.println("Resolved EJB is of wrong type");
			e.printStackTrace();
			return;
		}

		// Call remote method with parameter
		//
		java.lang.String toGreet = "World";

		String exampleResult;
		try {
			exampleResult = service.greet(toGreet);
		} catch (Exception e) {
			System.err.println("Error accessing remote bean");
			e.printStackTrace();
			return;
		}

		// Hello World!
		System.out.println("Example result: " + exampleResult);

		// Retrieve result from EJB call

		/*Map<Object, Object> systemProperties;
		try {
			systemProperties = service.getSystemProperties();
		} catch (Exception e) {
			System.err.println("Error accessing remote bean");
			e.printStackTrace();
			return;
		}*/

		// System.out.println("Wildfly Home Dir: " + systemProperties.get("jboss.home.dir"));

	}

	/**
	 * Create Remote EJB Context.
	 * 
	 * @param host
	 *            host to connect to (e.g. "127.0.0.1")
	 * @param port
	 *            port to connect to (wildfly HTTP port, e.g. 8080)
	 * @return remote EJB context
	 * @throws NamingException
	 *             if creating the context fails
	 */
	private static Context createRemoteEjbContext(String host, String port) throws NamingException {

		Hashtable<Object, Object> props = new Hashtable<>();

		props.put(INITIAL_CONTEXT_FACTORY, "org.jboss.naming.remote.client.InitialContextFactory");
		props.put(URL_PKG_PREFIXES, "org.jboss.ejb.client.naming");

		props.put("jboss.naming.client.ejb.context", false);
		props.put("org.jboss.ejb.client.scoped.context", true);

		props.put("endpoint.name", "client-endpoint");
		props.put("remote.connectionprovider.create.options.org.xnio.Options.SSL_ENABLED", false);
		props.put("remote.connections", "default");
		props.put("remote.connection.default.connect.options.org.xnio.Options.SASL_POLICY_NOANONYMOUS", false);

		props.put(PROVIDER_URL, "http-remoting://" + host + ":" + port);
		props.put("remote.connection.default.host", host);
		props.put("remote.connection.default.port", port);

		return new InitialContext(props);
	}

	/**
	 * Get a proxy for a remote EJB.
	 * 
	 * @param remotingContext
	 *            remote EJB context
	 * @param ejbUrl
	 *            URL of the EJB
	 * @param ejbInterfaceClass
	 *            class of the remote interface of the EJB
	 * @param <T>
	 *            type of the EJB remote interface
	 * @return EJB proxy
	 * @throws NamingException
	 *             if the name resolving fails
	 * @throws ClassCastException
	 *             if the EJB proxy is not of the given type
	 */
	@SuppressWarnings("unchecked")
	private static <T> T createEjbProxy(Context remotingContext, String ejbUrl, Class<T> ejbInterfaceClass)
			throws NamingException, ClassCastException {
		Object resolvedproxy = remotingContext.lookup(ejbUrl);
		return (T) resolvedproxy;
	}

}

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package com.kutay.zorlu.ejbremote;

import static javax.naming.Context.INITIAL_CONTEXT_FACTORY;

import static javax.naming.Context.PROVIDER_URL;

import static javax.naming.Context.URL_PKG_PREFIXES;

import java.util.Hashtable;

import java.util.Map;

import javax.naming.Context;

import javax.naming.InitialContext;

import javax.naming.NamingException;

import com.kutay.zorlu.ejbremote.server.ExampleService;

/**

* Remote EJB Client.

* @author Kutay ZORLU

public class EjbRemoteClient {

/**

* Run example.

* @param args

* (not used)

public static void main(String[] args) {

// Connection to Wildfly Server instance

String host = "127.0.0.1";

String port = "8080"; // Wildfly HTTP port

Context remotingContext;

try {

remotingContext = createRemoteEjbContext(host, port);

} catch (NamingException e) {

System.err.println("Error setting up remoting context");

e.printStackTrace();

return;

}

// Syntax: ejb:${appName}/${moduleName}/${beanName}!${remoteView}

// appName = name of EAR deployment (or empty for single EJB/WAR

// deployments)

// moduleName = name of EJB/WAR deployment

// beanName = name of the EJB (Simple name of EJB class)

// remoteView = fully qualified remote interface class

String ejbUrl = "ejb:/ejb-remote-server-kutay/ExampleServiceImpl!com.kutay.zorlu.ejbremote.server.ExampleService";

# Module NAME!

ExampleService service;

try {

service = createEjbProxy(remotingContext, ejbUrl, ExampleService.class);

} catch (NamingException e) {

System.err.println("Error resolving bean");

e.printStackTrace();

return;

} catch (ClassCastException e) {

System.err.println("Resolved EJB is of wrong type");

e.printStackTrace();

return;

}

// Call remote method with parameter

java.lang.String toGreet = "World";

String exampleResult;

try {

exampleResult = service.greet(toGreet);

} catch (Exception e) {

System.err.println("Error accessing remote bean");

e.printStackTrace();

return;

}

// Hello World!

System.out.println("Example result: " + exampleResult);

// Retrieve result from EJB call

/*Map<Object, Object> systemProperties;

try {

systemProperties = service.getSystemProperties();

} catch (Exception e) {

System.err.println("Error accessing remote bean");

e.printStackTrace();

return;

}*/

// System.out.println("Wildfly Home Dir: " + systemProperties.get("jboss.home.dir"));

}

/**

* Create Remote EJB Context.

* @param host

* host to connect to (e.g. "127.0.0.1")

* @param port

* port to connect to (wildfly HTTP port, e.g. 8080)

* @return remote EJB context

* @throws NamingException

* if creating the context fails

private static Context createRemoteEjbContext(String host, String port) throws NamingException {

Hashtable<Object, Object> props = new Hashtable<>();

props.put(INITIAL_CONTEXT_FACTORY, "org.jboss.naming.remote.client.InitialContextFactory");

props.put(URL_PKG_PREFIXES, "org.jboss.ejb.client.naming");

props.put("jboss.naming.client.ejb.context", false);

props.put("org.jboss.ejb.client.scoped.context", true);

props.put("endpoint.name", "client-endpoint");

props.put("remote.connectionprovider.create.options.org.xnio.Options.SSL_ENABLED", false);

props.put("remote.connections", "default");

props.put("remote.connection.default.connect.options.org.xnio.Options.SASL_POLICY_NOANONYMOUS", false);

props.put(PROVIDER_URL, "http-remoting://" + host + ":" + port);

props.put("remote.connection.default.host", host);

props.put("remote.connection.default.port", port);

return new InitialContext(props);

}

/**

* Get a proxy for a remote EJB.

* @param remotingContext

* remote EJB context

* @param ejbUrl

* URL of the EJB

* @param ejbInterfaceClass

* class of the remote interface of the EJB

* @param <T>

* type of the EJB remote interface

* @return EJB proxy

* @throws NamingException

* if the name resolving fails

* @throws ClassCastException

* if the EJB proxy is not of the given type

@SuppressWarnings("unchecked")

private static <T> T createEjbProxy(Context remotingContext, String ejbUrl, Class<T> ejbInterfaceClass)

throws NamingException, ClassCastException {

Object resolvedproxy = remotingContext.lookup(ejbUrl);

return (T) resolvedproxy;

}

pom.xml

<?xml version="1.0"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

	<modelVersion>4.0.0</modelVersion>

	<groupId>com.kutay.zorlu</groupId>
	<artifactId>ejb-remote-client-kutay</artifactId>
	<version>1.0.0</version>
	<packaging>jar</packaging>

	<name>WildFly Example: EJB Remote Client</name>
	<description>Java client for remote EJB example on Wildfly</description>

	<url>http://www.kutayzorlu.com</url>
	<licenses>
		<license>
			<name>Microsoft License</name>
			<distribution>repo</distribution>
			<url>http://www.Microsoft.com/Licenses</url>
		</license>
	</licenses>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

		<!-- JBoss dependency versions -->
		<version.wildfly>8.1.0.Final</version.wildfly>
		<version.jboss.spec.javaee.7.0>1.0.0.Final</version.jboss.spec.javaee.7.0>

		<!-- other plugin versions -->
		<version.compiler.plugin>3.1</version.compiler.plugin>
		<version.exec.plugin>1.2.1</version.exec.plugin>

		<!-- maven-compiler-plugin -->
		<maven.compiler.target>1.7</maven.compiler.target>
		<maven.compiler.source>1.7</maven.compiler.source>
	</properties>

	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>org.jboss.spec</groupId>
				<artifactId>jboss-javaee-7.0</artifactId>
				<version>${version.jboss.spec.javaee.7.0}</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
			<dependency>
				<groupId>org.wildfly</groupId>
				<artifactId>wildfly-ejb-client-bom</artifactId>
				<version>${version.wildfly}</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>

	<dependencies>

		<!-- Business Interfaces of the server EJB. -->
		<dependency>
			<groupId>com.kutay.zorlu</groupId>
			<artifactId>ejb-remote-server-kutay</artifactId>
			<type>ejb</type>
			<version>1.0.0</version>
		</dependency>

		<!-- Import the transaction spec API, we use runtime scope because we aren't 
			using any direct reference to the spec API in our client code -->
		<dependency>
			<groupId>org.jboss.spec.javax.transaction</groupId>
			<artifactId>jboss-transaction-api_1.2_spec</artifactId>
			<scope>runtime</scope>
		</dependency>

		<!-- Import the EJB 3.1 API, we use runtime scope because we aren't using 
			any direct reference to EJB spec API in our client code -->
		<dependency>
			<groupId>org.jboss.spec.javax.ejb</groupId>
			<artifactId>jboss-ejb-api_3.2_spec</artifactId>
			<scope>runtime</scope>
		</dependency>

		<!-- JBoss EJB client API jar. We use runtime scope because the EJB client 
			API isn't directly used in this example. We just need it in our runtime classpath -->
		<dependency>
			<groupId>org.jboss</groupId>
			<artifactId>jboss-ejb-client</artifactId>
			<scope>runtime</scope>
		</dependency>

		<!-- client communications with the server use XNIO -->
		<dependency>
			<groupId>org.jboss.xnio</groupId>
			<artifactId>xnio-api</artifactId>
			<scope>runtime</scope>
		</dependency>
		<dependency>
			<groupId>org.jboss.xnio</groupId>
			<artifactId>xnio-nio</artifactId>
			<scope>runtime</scope>
		</dependency>

		<!-- The client needs JBoss remoting to access the server -->
		<dependency>
			<groupId>org.jboss.remoting</groupId>
			<artifactId>jboss-remoting</artifactId>
			<scope>runtime</scope>
		</dependency>
		<dependency>
			<groupId>org.jboss</groupId>
			<artifactId>jboss-remote-naming</artifactId>
			<scope>runtime</scope>
		</dependency>

		<!-- Remote EJB accesses can be secured -->
		<dependency>
			<groupId>org.jboss.sasl</groupId>
			<artifactId>jboss-sasl</artifactId>
			<scope>runtime</scope>
		</dependency>

		<!-- data serialization for invoking remote EJBs -->
		<dependency>
			<groupId>org.jboss.marshalling</groupId>
			<artifactId>jboss-marshalling-river</artifactId>
			<scope>runtime</scope>
		</dependency>
	</dependencies>

	<build>
		<finalName>${project.artifactId}</finalName>
		<plugins>
			<plugin>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>${version.compiler.plugin}</version>
				<configuration>
					<source>${maven.compiler.source}</source>
					<target>${maven.compiler.target}</target>
				</configuration>
			</plugin>

		</plugins>
	</build>

</project>

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<?xml version="1.0"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

<groupId>com.kutay.zorlu</groupId>

<artifactId>ejb-remote-client-kutay</artifactId>

<name>WildFly Example: EJB Remote Client</name>

<description>Java client for remote EJB example on Wildfly</description>

<url>http://www.kutayzorlu.com</url>

<name>Microsoft License</name>

<url>http://www.Microsoft.com/Licenses</url>

</license>

</licenses>

<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

<version.wildfly>8.1.0.Final</version.wildfly>

<version.jboss.spec.javaee.7.0>1.0.0.Final</version.jboss.spec.javaee.7.0>

<version.compiler.plugin>3.1</version.compiler.plugin>

<version.exec.plugin>1.2.1</version.exec.plugin>

<maven.compiler.target>1.7</maven.compiler.target>

<maven.compiler.source>1.7</maven.compiler.source>

</properties>

<groupId>org.jboss.spec</groupId>

<artifactId>jboss-javaee-7.0</artifactId>

<version>${version.jboss.spec.javaee.7.0}</version>

<scope>import</scope>

</dependency>

<groupId>org.wildfly</groupId>

<artifactId>wildfly-ejb-client-bom</artifactId>

<version>${version.wildfly}</version>

<scope>import</scope>

</dependency>

</dependencies>

</dependencyManagement>

<groupId>com.kutay.zorlu</groupId>

<artifactId>ejb-remote-server-kutay</artifactId>

</dependency>

<!-- Import the transaction spec API, we use runtime scope because we aren't

using any direct reference to the spec API in our client code -->

<groupId>org.jboss.spec.javax.transaction</groupId>

<artifactId>jboss-transaction-api_1.2_spec</artifactId>

<scope>runtime</scope>

</dependency>

<!-- Import the EJB 3.1 API, we use runtime scope because we aren't using

any direct reference to EJB spec API in our client code -->

<groupId>org.jboss.spec.javax.ejb</groupId>

<artifactId>jboss-ejb-api_3.2_spec</artifactId>

<scope>runtime</scope>

</dependency>

<!-- JBoss EJB client API jar. We use runtime scope because the EJB client

API isn't directly used in this example. We just need it in our runtime classpath -->

<groupId>org.jboss</groupId>

<artifactId>jboss-ejb-client</artifactId>

<scope>runtime</scope>

</dependency>

<groupId>org.jboss.xnio</groupId>

<scope>runtime</scope>

</dependency>

<groupId>org.jboss.xnio</groupId>

<scope>runtime</scope>

</dependency>

<groupId>org.jboss.remoting</groupId>

<artifactId>jboss-remoting</artifactId>

<scope>runtime</scope>

</dependency>

<groupId>org.jboss</groupId>

<artifactId>jboss-remote-naming</artifactId>

<scope>runtime</scope>

</dependency>

<groupId>org.jboss.sasl</groupId>

<artifactId>jboss-sasl</artifactId>

<scope>runtime</scope>

</dependency>

<groupId>org.jboss.marshalling</groupId>

<artifactId>jboss-marshalling-river</artifactId>

<scope>runtime</scope>

</dependency>

</dependencies>

<build>

<finalName>${project.artifactId}</finalName>

<artifactId>maven-compiler-plugin</artifactId>

<version>${version.compiler.plugin}</version>

<source>${maven.compiler.source}</source>

<target>${maven.compiler.target}</target>

</configuration>

</plugin>

</plugins>

</build>

</project>

# Controlling the result.

If you choose RMI, you don’t need a Java EE EJB app server. You have to keep client and server JVMs in synch; you can’t upgrade the client without upgrading the server. You have to write all the services that the EJB app server provides for you (e.g., connection pooling, naming and directory services, pooling, request queuing, transactions, etc.).

Agains the errors : You need to use JDK 8 –

No standard field found for reverse order comparator!
	at org.jboss.marshalling.river.Protocol.<clinit>(Protocol.java:220)

1 2	No standard field found for reverse order comparator! at org.jboss.marshalling.river.Protocol.<clinit>(Protocol.java:220)

Context Parameter with remote port

Posted on December 29, 2014June 4, 2015 by coder

  Properties props = new Properties();
 props.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.enterprise.naming.SerialInitContextFactory");
 props.setProperty("org.omg.CORBA.ORBInitialHost", "localhost");
 // glassfish default port value will be 3700, -  
props.setProperty("org.omg.CORBA.ORBInitialPort", "3700");
InitialContext ctx = new InitialContext(props);

 CalcRemote bean = (CalcRemote) ctx.lookup("java:global/TestEAR/TEjb/Calc!    com.CalcRemote");

Properties props = new Properties();

props.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.enterprise.naming.SerialInitContextFactory");

props.setProperty("org.omg.CORBA.ORBInitialHost", "localhost");

// glassfish default port value will be 3700, -

props.setProperty("org.omg.CORBA.ORBInitialPort", "3700");

InitialContext ctx = new InitialContext(props);

CalcRemote bean = (CalcRemote) ctx.lookup("java:global/TestEAR/TEjb/Calc! com.CalcRemote");

Please check the port with linux Terminal

$ netstat -tunap

1	$ netstat -tunap

Context parameters

Posted on December 29, 2014June 4, 2015 by coder

public class Main {

    public static void main(String[] args) throws Exception {        
        InitialContext ctx = new InitialContext();      
        CalculatorRemote bean = (CalculatorRemote) ctx.lookup("java:global/TestEAR/TEjb/Calc!com.CalcRemote");
        bean.sayHello("java.someload.com");
    }
}