Java – in JBoss 7.1 A component named “XXX” has been defined in this module of 1

Timerservicedispatcher is not used in my application to create spring bean names However, the exception thrown by JBoss of timerservicedispatcher has been defined in this module

My application uses seam 2.3, spring 3.0 and JPA 2.0 I don't use EJB

11:29:01,531 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-4) JBAS015876: Starting deployment of "MRBS.war"
11:29:04,217 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-5) MSC00001: Failed to start service jboss.deployment.unit."MRBS.war".PARSE: org.jboss.msc.service.StartExcept
ion in service jboss.deployment.unit."MRBS.war".PARSE: Failed to process phase PARSE of deployment "MRBS.war"
    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$Worker.runTask(UnkNown Source) [rt.jar:1.6.0_23]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(UnkNown Source) [rt.jar:1.6.0_23]
    at java.lang.Thread.run(UnkNown Source) [rt.jar:1.6.0_23]
Caused by: java.lang.IllegalArgumentException: JBAS011046: A component named 'TimerServiceDispatcher' is already defined in this module
    at org.jboss.as.ee.component.EEModuleDescription.addComponent(EEModuleDescription.java:137)
    at org.jboss.as.ejb3.deployment.processors.EJBComponentDescriptionFactory.addComponent(EJBComponentDescriptionFactory.java:60)
    at org.jboss.as.ejb3.deployment.processors.SessionBeanComponentDescriptionFactory.processSessionBeans(SessionBeanComponentDescriptionFactory.java:157)
    at org.jboss.as.ejb3.deployment.processors.SessionBeanComponentDescriptionFactory.processAnnotations(SessionBeanComponentDescriptionFactory.java:86)
    at org.jboss.as.ejb3.deployment.processors.AnnotatedEJBComponentDescriptionDeploymentUnitProcessor.processAnnotations(AnnotatedEJBComponentDescriptionDeploymentUnitProcessor.java:
58)
    at org.jboss.as.ejb3.deployment.processors.AbstractDeploymentUnitProcessor.deploy(AbstractDeploymentUnitProcessor.java:81)
    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

11:29:04,230 INFO  [org.jboss.as.server] (DeploymentScanner-threads - 2) JBAS015870: Deploy of deployment "MRBS.war" was rolled back with failure message {"JBAS014671: Failed servi
ces" => {"jboss.deployment.unit.\"MRBS.war\".PARSE" => "org.jboss.msc.service.StartException in service jboss.deployment.unit.\"MRBS.war\".PARSE: Failed to process phase PARSE of d
eployment \"MRBS.war\""}}
11:29:04,292 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-6) JBAS015877: Stopped deployment MRBS.war in 61ms
11:29:04,294 INFO  [org.jboss.as.controller] (DeploymentScanner-threads - 2) JBAS014774: Service status report
JBAS014777:   Services which Failed to start:      service jboss.deployment.unit."MRBS.war".PARSE: org.jboss.msc.service.StartException in service jboss.deployment.unit."MRBS.war".
PARSE: Failed to process phase PARSE of deployment "MRBS.war"

JBoss deployment, structure xml

<jboss-deployment-structure xmlns="urn:jboss:deployment-structure:1.0">
  <deployment>
      <dependencies>
          <module name="org.hibernate" export="true"/>
          <module name="javax.faces.api" export="true" />
          <module name="com.sun.jsf-impl" export="true"/>
          <module name="org.dom4j" export="true"/>
          <module name="org.hibernate.validator" export="true"/>
        </dependencies>
        <exclusions>
            <module name="org.apache.log4j" />
        </exclusions>       
  </deployment>  
</jboss-deployment-structure>

Degenerate structure

MRBS.war
    -index.html
    +web-page-pakage
    +Meta-INF
    +WEB-INF
        +classes
        +lib
           aopalliance.jar
            commons-beanutils.jar
            commons-codec.jar
            commons-lang-2.5.jar
            drools-compiler.jar
            drools-core.jar
            drools-decisiontables.jar
            drools-templates.jar
            eclipselink.jar
            el-api.jar
            guava.jar
            guice.jar
            hibernate-ehcache.jar
            httpclient.jar
            httpcore.jar
            javax.persistence_2.0.1.v201006031150.jar
            jboss-el.jar
            jboss-seam-debug.jar
            jboss-seam-excel.jar
            jboss-seam-ioc.jar
            jboss-seam-mail.jar
            jboss-seam-pdf.jar
            jboss-seam-ui.jar
            jboss-seam.jar
            junit-4.8.1.jar
            log4j-1.2.14.jar
            mysql-connector-java-5.1.6-bin.jar
            primefaces-3.3.1.jar
            sac.jar
            spring-aop.jar
            spring-asm.jar
            spring-beans.jar
            spring-context.jar
            spring-core.jar
            spring-expression.jar
            spring-jdbc.jar
            spring-orm.jar
            spring-tx.jar
            spring-web.jar
            urlrewritefilter.jar
            xercesImpl.jar
            xml-apis.jar
        -components.xml     
        -faces-config.xml
        -jboss-deployment-structure.xml
        -pages.xml
        -web.xml

Solution

I have a bean annotated with @ singleton and @ stateless that triggers this error Of course my code is wrong, but such messages and posts will lead me to the wrong path for a period of time