Недопустимые дескрипторы развертывания в файле дескриптора развертывания WEB-INF / web.xml в архиве

Я работаю над проектом Java, который использует сервер GlassFish. В проекте нет ошибок, но когда я пытался запустить его, он показывает эту ошибку_

SEVERE: DPL8015: Invalid Deployment Descriptors in Deployment descriptor file WEB-INF/web.xml in archive [web]. 
Line 9 Column 22 -- cvc-complex-type.2.4.d: Invalid content was found starting with element 'description'. No child element is expected at this point.
SEVERE: DPL8005: Deployment Descriptor parsing failure : cvc-complex-type.2.4.d: Invalid content was found starting with element 'description'. No child element is expected at this point.
SEVERE: Exception while deploying the app
java.io.IOException: org.xml.sax.SAXParseException: cvc-complex-type.2.4.d: Invalid content was found starting with element 'description'. No child element is expected at this point.
    at org.glassfish.javaee.core.deployment.DolProvider.load(DolProvider.java:170)
    at org.glassfish.javaee.core.deployment.DolProvider.load(DolProvider.java:79)
    at com.sun.enterprise.v3.server.ApplicationLifecycle.loadDeployer(ApplicationLifecycle.java:612)
Caused by: org.xml.sax.SAXParseException: cvc-complex-type.2.4.d: Invalid content was found starting with element 'description'. No child element is expected at this point.
    at com.sun.enterprise.deployment.io.DeploymentDescriptorFile.read(DeploymentDescriptorFile.java:304)
    at com.sun.enterprise.deployment.io.DeploymentDescriptorFile.read(DeploymentDescriptorFile.java:225)
    at com.sun.enterprise.deployment.archivist.Archivist.readStandardDeploymentDescriptor(Archivist.java:614)
    at com.sun.enterprise.deployment.archivist.Archivist.readDeploymentDescriptors(Archivist.java:366)
    at com.sun.enterprise.deployment.archivist.Archivist.open(Archivist.java:238)
    at com.sun.enterprise.deployment.archivist.Archivist.open(Archivist.java:247)
    at com.sun.enterprise.deployment.archivist.Archivist.open(Archivist.java:208)
    at com.sun.enterprise.deployment.archivist.ApplicationFactory.openArchive(ApplicationFactory.java:148)

что пошло не так, кто-нибудь сталкивался с этой проблемой?

Discriptor

    tiles-definitions
    /WEB-INF/tiles.xml
     Tiles configuration definition files and a listener need to be defined. the
        listener will initialize JspTilesViewHandlerImpl with tiles definitions. 
    

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