Maven将依赖项插入EAR而不是模块中

Question

我有这个项目https://github.com/andreacatania/libreria

它有三个模块“deWeb”“decore”“libreriaear”

模块libreriaEar创建了一个带有deweb和decore模块的EAR存档。我试图将Hibernate使用到模块“decore”中，但maven没有将依赖项导入到“decore”模块中，因此我收到了NoClassFoundException错误。

编辑2

当我将项目部署到WildFly AS中时，我得到了这个错误。

[0m[31m16:01:10,654 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-9) MSC000001: Failed to start service jboss.deployment.subunit."libreriaEar-1.0-SNAPSHOT.ear"."decore-1.0-SNAPSHOT.jar".POST_MODULE: org.jboss.msc.service.StartException in service jboss.deployment.subunit."libreriaEar-1.0-SNAPSHOT.ear"."decore-1.0-SNAPSHOT.jar".POST_MODULE: JBAS018733: Failed to process phase POST_MODULE of subdeployment "decore-1.0-SNAPSHOT.jar" of deployment "libreriaEar-1.0-SNAPSHOT.ear"
  org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:166) [wildfly-server-8.2.0.Final.jar:8.2.0.Final]
        at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1948) [jboss-msc-1.2.2.Final.jar:1.2.2.Final]
        at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1881) [jboss-msc-1.2.2.Final.jar:1.2.2.Final]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_31]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_31]
        at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_31]
    Caused by: java.lang.RuntimeException: JBAS018757: Error getting reflective information for class com.ac.ejbs.SingBean with ClassLoader ModuleClassLoader for Module "deployment.libreriaEar-1.0-SNAPSHOT.ear.decore-1.0-SNAPSHOT.jar:main" from Service Module Loader
        at org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex.getClassIndex(DeploymentReflectionIndex.java:72) [wildfly-server-8.2.0.Final.jar:8.2.0.Final]
        at org.jboss.as.ee.metadata.MethodAnnotationAggregator.runtimeAnnotationInformation(MethodAnnotationAggregator.java:58)
        at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.handleAnnotations(InterceptorAnnotationProcessor.java:107)
        at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.processComponentConfig(InterceptorAnnotationProcessor.java:92)
        at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.deploy(InterceptorAnnotationProcessor.java:77)
        at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:159) [wildfly-server-8.2.0.Final.jar:8.2.0.Final]
        ... 5 more
    Caused by: java.lang.NoClassDefFoundError: org/hibernate/service/ServiceRegistry
        at java.lang.Class.getDeclaredFields0(Native Method) [rt.jar:1.8.0_31]
        at java.lang.Class.privateGetDeclaredFields(Class.java:2575) [rt.jar:1.8.0_31]
        at java.lang.Class.getDeclaredFields(Class.java:1908) [rt.jar:1.8.0_31]
        at org.jboss.as.server.deployment.reflect.ClassReflectionIndex.<init>(ClassReflectionIndex.java:57) [wildfly-server-8.2.0.Final.jar:8.2.0.Final]
        at org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex.getClassIndex(DeploymentReflectionIndex.java:68) [wildfly-server-8.2.0.Final.jar:8.2.0.Final]
        ... 10 more
    Caused by: java.lang.ClassNotFoundException: org.hibernate.service.ServiceRegistry from [Module "deployment.libreriaEar-1.0-SNAPSHOT.ear.decore-1.0-SNAPSHOT.jar:main" from Service Module Loader]
        at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:213) [jboss-modules.jar:1.3.3.Final]
        at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:459) [jboss-modules.jar:1.3.3.Final]
        at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:408) [jboss-modules.jar:1.3.3.Final]
        at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:389) [jboss-modules.jar:1.3.3.Final]
        at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:134) [jboss-modules.jar:1.3.3.Final]
        ... 15 more

Answer 1

您不希望所有这些依赖在您的应用程序（您的耳朵）。它们很可能已经由容器（应用服务器）提供。EJB模块中的pom.xml提取了所有这些依赖项，因此Maven EAR-plugin按照所述完成了它的工作。

您需要做的是在EJB-Module的pom.xml中将容器提供的所有依赖项标记为“provided”。

例如。

<dependency>
    <groupId>org.hibernate</groupId>
    <artifactId>hibernate-core</artifactId>
    <version>4.3.8.Final</version>
    <type>jar</type>
    <scope>provided</scope>  
</dependency>

由于您使用的是Wildfly，只需导入api：s并删除所有这些显式依赖项。

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

    <dependency>
        <groupId>org.hibernate.javax.persistence</groupId>
        <artifactId>hibernate-jpa-2.1-api</artifactId>
        <scope>provided</scope>
    </dependency>

就像我在评论中说的，用这个页面的pom作为参考，你就没事了：

http://www.castertheboss.com/jboss-server/wildfly-8/maven-configuration-for-java-ee-7-projects-on-wildfly