users@glassfish.java.net

Invalid ejb jar ... it contains zero ejb

From: <forums_at_java.net>
Date: Wed, 10 Aug 2011 08:13:48 -0500 (CDT)

 I'm getting this error message when trying to deploy my ear to glassfish
3.1.

java.lang.IllegalArgumentException: Invalid ejb jar [myejb.jar]: it contains
zero ejb. 

Note: 

1. A valid ejb jar requires at least one session, entity (1.x/2.x style), or
message-driven bean. 

2. EJB3+ entity beans (@Entity) are POJOs and please package them as library
jar. 

3. If the jar file contains valid EJBs which are annotated with EJB component
level annotations (@Stateless, @Stateful, @MessageDriven, @Singleton), please
check server.log to see whether the annotations were processed properly

I can see the ejb jar in the ear and in Eclipse I can see my session beans in
the deployment descriptor of the ejb project. I'm using maven to build it.

the pom for my ejb looks like this:

[code]<?xml version="1.0"?>

<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd"
xmlns="http://maven.apache.org/POM/4.0.0"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

  <modelVersion>4.0.0</modelVersion>

  <groupId>my</groupId>

  <artifactId>myejb</artifactId>

  <version>1.0.0</version>

  <packaging>ejb</packaging>

  <url>http://maven.apache.org</url>

  <dependencies>

<dependency>

<groupId>javax.persistence</groupId>

<artifactId>persistence-api</artifactId>

<version>1.0</version>

</dependency>

<dependency>

<groupId>junit</groupId>

<artifactId>junit</artifactId>

<version>3.8.1</version>

<scope>test</scope>

</dependency>

<dependency>

<groupId>com.bm</groupId>

<artifactId>ejb3unit</artifactId>

<version>2.0.0-RC-1</version>

<scope>test</scope>

</dependency>

<dependency>

<groupId>ant</groupId>

<artifactId>ant-apache-log4j</artifactId>

<version>1.6.5</version>

</dependency>

<dependency>

<groupId>log4j</groupId>

<artifactId>log4j</artifactId>

<version>1.2.14</version>

</dependency>

<dependency>

<groupId>javaee</groupId>

<artifactId>javaee-api</artifactId>

<version>5</version>

<scope>provided</scope>

</dependency>

<dependency>

<groupId>my</groupId>

<artifactId>mypersistence</artifactId>

<version>1.0.0</version>

</dependency>

  </dependencies>

<build>

<plugins>

<plugin>

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

<version>2.2</version>

<configuration>

<ejbVersion>3.0</ejbVersion>

</configuration>

</plugin>

<plugin>

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

<version>2.0.2</version>

<configuration>

<source>1.5</source>

<target>1.5</target>

</configuration>

</plugin>

  

<plugin>

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

<artifactId>maven-surefire-plugin</artifactId>

<configuration>

<skipTests>true</skipTests>

</configuration>

</plugin>

</plugins>

</build>

<profiles>

<profile>

<activation>

<activeByDefault>true</activeByDefault>

</activation>

<repositories>

<repository>

<snapshots>

<enabled>true</enabled>

</snapshots>

<id>ejb3unit</id>

<name>ejb3unit repository</name>

<url>http://ejb3unit.sourceforge.net/maven2</url>

</repository>

</repositories>

</profile>

</profiles>

</project>[/code]


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