找不到mysql.jdbc.Driver-MySQL，JBoss

| 我无法将具有MySQL 5.5.11后端的Web应用程序部署到JBoss5。出现此错误： 造成原因：java.lang.ClassNotFoundException：BaseClassLoader @ 262b2310的com.mysql.jdbc.Driver 我在下面粘贴了堆栈跟踪。 这是我所做的... 我将mysql-connector-java-5.1.14-bin.jar添加到{JBOSS_HOME} / lib（该连接器应与MySQL 5.5.11一起使用，对吗？）。我还将mysql-ds.xml添加到{JBOSS_HOME} / server / default / deploy。 
<datasources> 
    <local-tx-datasource> 
        <jndi-name>MySqlDS</jndi-name> 
        <connection-url>jdbc:mysql://localhost:3306/my_libl_db</connection-url> 
        <driver-class>com.mysql.jdbc.Driver</driver-class> 
        <user-name>root</user-name> 
        <password>test</password>
        <exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.MySQLExceptionSorter</exception-sorter-class-name>
    </local-tx-datasource> 
</datasources>
另外，我确保lib文件夹中的mysql-connector-java-5.1.14-bin.jar位于Web应用程序的类路径中。在JBoss管理控制台的“资源/数据源”下，我确实看到状态为up的MySqlDS。 我的项目（在Eclipse Indego发行版中）是带有1个动态Web项目的企业应用程序项目。该Web应用程序具有一个@Entity bean和一个@Stateless bean。 @Stateless被注入到servlet中（使用@EJB）。这是我的persistence.xml： 
<persistence xmlns=\"http://java.sun.com/xml/ns/persistence\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" version=\"1.0\">
    <persistence-unit name=\"ContactBookPersistUnit\" transaction-type=\"JTA\">
        <provider>org.hibernate.ejb.HibernatePersistence</provider> 
        <jta-data-source>java:/MySqlDS</jta-data-source>
        <class>com.contact.model.Contact</class>
        <properties>
            <property name=\"hibernate.dialect\" value=\"org.hibernate.dialect.HSQLDialect\"/>
            <property name=\"hibernate.hbm2ddl.auto\" value=\"create-drop\"/>
        </properties>
    </persistence-unit>
</persistence>
我可能做错了什么？ 
Caused by: javax.resource.ResourceException: Unable to get managed connection for MySqlDS
    at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:441)
    at org.jboss.resource.connectionmanager.TxConnectionManager.getManagedConnection(TxConnectionManager.java:381)
    at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:496)
    at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:941)
    at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:89)
    ... 65 more
Caused by: org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (org.jboss.resource.JBossResourceException: Failed to register driver for: com.mysql.jdbc.Driver; - nested throwable: (java.lang.ClassNotFoundException: com.mysql.jdbc.Driver from BaseClassLoader@262b2310{VFSClassLoaderPolicy@5a0b0303{name=vfszip:/Users/Albert/DEV/Servers/JBoss5/server/default/deploy/ContactBook.ear/ContactBookWeb.war/ domain=ClassLoaderDomain@5e33f929{name=vfszip:/Users/Albert/DEV/Servers/JBoss5/server/default/deploy/ContactBook.ear/ContactBookWeb.war/ parentPolicy=AFTER_BUT_JAVA_BEFORE parent=BaseClassLoader@7cdd93a5{vfszip:/Users/Albert/DEV/Servers/JBoss5/server/default/deploy/ContactBook.ear/}} roots=[ZipEntryHandler@150136868[path=ContactBook.ear/ContactBookWeb.war/WEB-INF/classes context=file:/Users/Albert/DEV/Servers/JBoss5/server/default/deploy/ real=file:/Users/Albert/DEV/Servers/JBoss5/server/default/deploy/ContactBook.ear/ContactBookWeb.war/WEB-INF/classes]]  delegates=null exported=[, com.contact.servlet, com.contact.service, com.contact.model, com.contact.control, META-INF] <IMPORT-ALL>NON_EMPTY}}))
    at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.getLocalManagedConnection(LocalManagedConnectionFactory.java:225)
    at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:195)
    at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.createConnectionEventListener(InternalManagedConnectionPool.java:633)
    at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:267)
    at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$BasePool.getConnection(JBossManagedConnectionPool.java:622)
    at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:404)
    ... 69 more
Caused by: org.jboss.resource.JBossResourceException: Failed to register driver for: com.mysql.jdbc.Driver; - nested throwable: (java.lang.ClassNotFoundException: com.mysql.jdbc.Driver from BaseClassLoader@262b2310{VFSClassLoaderPolicy@5a0b0303{name=vfszip:/Users/Albert/DEV/Servers/JBoss5/server/default/deploy/ContactBook.ear/ContactBookWeb.war/ domain=ClassLoaderDomain@5e33f929{name=vfszip:/Users/Albert/DEV/Servers/JBoss5/server/default/deploy/ContactBook.ear/ContactBookWeb.war/ parentPolicy=AFTER_BUT_JAVA_BEFORE parent=BaseClassLoader@7cdd93a5{vfszip:/Users/Albert/DEV/Servers/JBoss5/server/default/deploy/ContactBook.ear/}} roots=[ZipEntryHandler@150136868[path=ContactBook.ear/ContactBookWeb.war/WEB-INF/classes context=file:/Users/Albert/DEV/Servers/JBoss5/server/default/deploy/ real=file:/Users/Albert/DEV/Servers/JBoss5/server/default/deploy/ContactBook.ear/ContactBookWeb.war/WEB-INF/classes]]  delegates=null exported=[, com.contact.servlet, com.contact.service, com.contact.model, com.contact.control, META-INF] <IMPORT-ALL>NON_EMPTY}})
    at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.getDriver(LocalManagedConnectionFactory.java:489)
    at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.getLocalManagedConnection(LocalManagedConnectionFactory.java:206)
    ... 74 more
Caused by: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver from BaseClassLoader@262b2310{VFSClassLoaderPolicy@5a0b0303{name=vfszip:/Users/Albert/DEV/Servers/JBoss5/server/default/deploy/ContactBook.ear/ContactBookWeb.war/ domain=ClassLoaderDomain@5e33f929{name=vfszip:/Users/Albert/DEV/Servers/JBoss5/server/default/deploy/ContactBook.ear/ContactBookWeb.war/ parentPolicy=AFTER_BUT_JAVA_BEFORE parent=BaseClassLoader@7cdd93a5{vfszip:/Users/Albert/DEV/Servers/JBoss5/server/default/deploy/ContactBook.ear/}} roots=[ZipEntryHandler@150136868[path=ContactBook.ear/ContactBookWeb.war/WEB-INF/classes context=file:/Users/Albert/DEV/Servers/JBoss5/server/default/deploy/ real=file:/Users/Albert/DEV/Servers/JBoss5/server/default/deploy/ContactBook.ear/ContactBookWeb.war/WEB-INF/classes]]  delegates=null exported=[, com.contact.servlet, com.contact.service, com.contact.model, com.contact.control, META-INF] <IMPORT-ALL>NON_EMPTY}}
    at org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:448)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:247)
    at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.getDriver(LocalManagedConnectionFactory.java:474)
    
2020-02-23 2 条评论
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    茂坦湿床够

            此文档介绍说，您需要在默认服务器配置中将JAR添加到/ lib文件中： http://docs.jboss.org/jbossas/getting_started/v4/html/db.html 更新：JBOSS 6和更高版本已被重写为更具模块化。您必须将JBDC驱动程序添加到/ module目录。     
    2020-02-23 0 0
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