org.jboss.deployment.DeploymentException: Document root element "web-app"问题解决

本文针对JBOSS部署WEB项目时出现的错误进行了解析,并提供了具体的解决方案。错误主要源于web.xml文件中缺少DTD声明及元素顺序不符合规范。

在JBOSS整合web项目中,启动时报错。

org.jboss.deployment.DeploymentException: Document root element "web-app",

主要还是web.xml的问题,如果在web.xml中没有下面代码

<!DOCTYPE web-app
    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
    "http://java.sun.com/dtd/web-app_2_3.dtd">

会报出:

org.jboss.deployment.DeploymentException: Document root element "web-app", must match DOCTYPE root "null".; - nested throwable: (org.xml.sax.SAXParseException: Document root element "web-app", must match DOCTYPE root "null".)

是因为xml文件没有定义约束的dtd文件导致的,需要添加上。


新添加了上述DTD约束,继续报错如下

org.jboss.deployment.DeploymentException: The content of element type "web-app" must match "(icon?,display-name?,description?,distributable?,context-param*,filter*,filter-mapping*,listener*,servlet*,servlet-mapping*,session-config?,mime-mapping*,welcome-file-list?,error-page*,taglib*,resource-env-ref*,resource-ref*,security-constraint*,login-config?,security-role*,env-entry*,ejb-ref*,ejb-local-ref*)".; - nested throwable: (org.xml.sax.SAXParseException: The content of element type "web-app" must match "(icon?,display-name?,description?,distributable?,context-param*,filter*,filter-mapping*,listener*,servlet*,servlet-mapping*,session-config?,mime-mapping*,welcome-file-list?,error-page*,taglib*,resource-env-ref*,resource-ref*,security-constraint*,login-config?,security-role*,env-entry*,ejb-ref*,ejb-local-ref*)".)

解决办法在web-app标签中,完全按照上面的顺序配置即可。





16:51:33,561 ERROR [URLDeploymentScanner] Incomplete Deployment listing: --- Incompletely deployed packages --- org.jboss.deployment.DeploymentInfo@ebb24ee4 { url=file:/opt/jboss-4.2.2.GA/server/default/deploy/acs.ear } deployer: org.jboss.deployment.EARDeployer@225b1b status: Deployment FAILED reason: URL file:/opt/jboss-4.2.2.GA/server/default/tmp/deploy/tmp3003181215135402123acs.ear-contents/acs-war-exp.war/ deployment failed state: FAILED watch: file:/opt/jboss-4.2.2.GA/server/default/deploy/acs.ear altDD: null lastDeployed: 1742892691824 lastModified: 1742892691617 mbeans: --- MBeans waiting for other MBeans --- ObjectName: jboss.j2ee:service=EjbModule,module=acs-ejb.jar State: FAILED Reason: org.jboss.deployment.DeploymentException: Error while fixing table name; - nested throwable: (org.jboss.util.NestedSQLException: Could not create connection; - nested throwable: (org.jboss.resource.JBossResourceException: Failed to register driver for: com.mysql.jdbc.Driver; - nested throwable: (java.lang.ClassNotFoundException: No ClassLoaders found for: com.mysql.jdbc.Driver)); - nested throwable: (org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (org.jboss.resource.JBossResourceException: Failed to register driver for: com.mysql.jdbc.Driver; - nested throwable: (java.lang.ClassNotFoundException: No ClassLoaders found for: com.mysql.jdbc.Driver)))) ObjectName: jboss.web.deployment:war=acs-war.war,id=225351972 State: FAILED Reason: org.jboss.deployment.DeploymentException: URL file:/opt/jboss-4.2.2.GA/server/default/tmp/deploy/tmp3003181215135402123acs.ear-contents/acs-war-exp.war/ deployment failed --- MBEANS THAT ARE THE ROOT CAUSE OF THE PROBLEM --- ObjectName: jboss.j2ee:service=EjbModule,module=acs-ejb.jar State: FAILED Reason: org.jboss.deployment.DeploymentException: Error while fixing table name; - nested throwable: (org.jboss.util.NestedSQLException: Could not create connection; - nested t
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03-26
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