Java JBoss服务器错误：错误[org.JBoss.msc.service.fail]（msc服务线程1-8）MSC00001:无法启动服务JBoss.deployment.subunit

在启动Jboss服务器后，它会告诉我这些错误。 我做了一些研究，我知道第三方图书馆的问题，但我不知道，如何解决这个问题。 对不起，英语不好

ERROR [org.jboss.msc.service.fail] (MSC service thread 1-8) MSC00001: Failed to start service jboss.deployment.subunit."EJBTestEAR.ear"."EJBTestServer.jar".POST_MODULE: org.jboss.msc.service.StartException in service jboss.deployment.subunit."EJBTestEAR.ear"."EJBTestServer.jar".POST_MODULE: Failed to process phase POST_MODULE of subdeployment "EJBTestServer.jar" of deployment "EJBTestEAR.ear"
    at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:119) [jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_79]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_79]
    at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_79]
Caused by: java.lang.RuntimeException: Error getting reflective information for class test.PDFBean with ClassLoader ModuleClassLoader for Module "deployment.EJBTestEAR.ear.EJBTestServer.jar:main" from Service Module Loader
    at org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex.getClassIndex(DeploymentReflectionIndex.java:70) [jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
    at org.jboss.as.ee.metadata.MethodAnnotationAggregator.runtimeAnnotationInformation(MethodAnnotationAggregator.java:58)
    at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.handleAnnotations(InterceptorAnnotationProcessor.java:85)
    at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.processComponentConfig(InterceptorAnnotationProcessor.java:70)
    at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.deploy(InterceptorAnnotationProcessor.java:55)
    at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:113) [jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
    ... 5 more
Caused by: java.lang.NoClassDefFoundError: org/apache/pdfbox/pdmodel/font/PDFont
    at java.lang.Class.getDeclaredFields0(Native Method) [rt.jar:1.7.0_79]
    at java.lang.Class.privateGetDeclaredFields(Class.java:2499) [rt.jar:1.7.0_79]
    at java.lang.Class.getDeclaredFields(Class.java:1811) [rt.jar:1.7.0_79]
    at org.jboss.as.server.deployment.reflect.ClassReflectionIndex.<init>(ClassReflectionIndex.java:57) [jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
    at org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex.getClassIndex(DeploymentReflectionIndex.java:66) [jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
    ... 10 more

错误[org.jboss.msc.service.fail]（msc服务线程1-8）MSC00001:无法启动服务jboss.deployment.subunit。“ejbtestar.ear”“EJBTestServer.jar”。POST_模块：org.jboss.msc.service.StartException in service jboss.deployment.subunit。“ejbtestar.ear”“EJBTestServer.jar”.POST_模块：无法处理部署“ejbtestar.ear”的子部署“EJBTestServer.jar”的阶段POST_模块
在org.jboss.as.server.deployment.DeploymentUnitPhaseService.start（DeploymentUnitPhaseService.java:119）[jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
在org.jboss.msc.service.ServiceControllerImpl$StartTask.startService（ServiceControllerImpl.java:1811）[jboss-msc-1.0.2.GA.jar:1.0.2.GA]
在org.jboss.msc.service.ServiceControllerImpl$StartTask.run（ServiceControllerImpl.java:1746）[jboss-msc-1.0.2.GA.jar:1.0.2.GA]
位于java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1145）[rt.jar:1.7.079]
位于java.util.concurrent.ThreadPoolExecutor$Worker.run（ThreadPoolExecutor.java:615）[rt.jar:1.7.079]
在java.lang.Thread.run（Thread.java:745）[rt.jar:1.7.079]
导致的原因：java.lang.RuntimeException:从服务模块加载器获取类test.PDFBean的反射信息时出错，该类加载器为模块“deployment.EJBTestEAR.ear.EJBTestServer.jar:main”
位于org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex.getClassIndex（DeploymentReflectionIndex.java:70）[jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
位于org.jboss.as.ee.metadata.MethodAnnotationAggregator.runtimeAnnotationInformation（MethodAnnotationAggregator.java:58）
位于org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.handleAnnotations（InterceptorAnnotationProcessor.java:85）
位于org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.processComponentConfig（InterceptorAnnotationProcessor.java:70）
位于org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.deploy（InterceptorAnnotationProcessor.java:55）
在org.jboss.as.server.deployment.DeploymentUnitPhaseService.start（DeploymentUnitPhaseService.java:113）[jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
... 还有5个
原因：java.lang.NoClassDefFoundError:org/apache/pdfbox/pdmodel/font/PDFont
在java.lang.Class.getDeclaredFields0（本机方法）[rt.jar:1.7.0_79]
在java.lang.Class.privateGetDeclaredFields（Class.java:2499）[rt.jar:1.7.079]
在java.lang.Class.getDeclaredFields（Class.java:1811）[rt.jar:1.7.079]
位于org.jboss.as.server.deployment.reflect.ClassReflectionIndex.（ClassReflectionIndex.java:57）[jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
位于org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex.getClassIndex（DeploymentReflectionIndex.java:66）[jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
... 10多

再搜索几分钟，最终找到正确答案