如何解决使用JNDI连接到Oracle 12c DataSource在Apache Tomcat服务器中查找
我正在设计一个spring + hibernate Web应用程序，并尝试使用JNDI查找连接到我的oracle 12c数据源。我对雄猫的server.xml和context.xml进行了相应的配置更改。但是我在运行apache tomcat服务器时遇到java.lang.NullPointerException异常。添加了完整的异常详细信息和配置文件。
<Context>
<!-- Default set of monitored resources. If one of these changes,the -->
<!-- web application will be reloaded. -->
<WatchedResource>WEB-INF/web.xml</WatchedResource>
<WatchedResource>${catalina.base}/conf/web.xml</WatchedResource>
<ResourceLink global="jdbc/GCMSV1R" name="jdbc/GCMSV1R" type="org.apache.commons.dbcp2.BasicDataSource"/>
<!-- Uncomment this to disable session persistence across Tomcat restarts -->
<!--
<Manager pathname="" />
-->
</Context>server.xml
<GlobalNamingResources>
<!-- Editable user database that can also be used by
UserDatabaseRealm to authenticate users
-->
<Resource auth="Container" description="User database that can be updated and saved" factory="org.apache.catalina.users.MemoryUserDatabaseFactory" name="UserDatabase" pathname="conf/tomcat-users.xml" type="org.apache.catalina.UserDatabase"/>
<Resource auth="Container" driverClassName="oracle.jdbc.driver.OracleDriver" initialSize="20" maxAge="7200000" maxIdle="20" maxTotal="75" maxWaitMillis="15000" name="jdbc/GCMSV1R" password="tiger"
factory="org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory" type="org.apache.commons.dbcp2.BasicDataSource" url="jdbc:oracle:thin:@localhost:1539:CMSSCO" username="scott"/>
</GlobalNamingResources>application-context-datatsource.xml
<bean id="cms_dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName">
<value>java:comp/env/jdbc/GCMSV1R</value>
</property>
</bean>Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cms_dataSource' defined in ServletContext resource [/WEB-INF/spring-context/application-context-datasource.xml]: Invocation of init method failed; nested exception is javax.naming.NamingException: Unexpected exception resolving reference [Root exception is java.lang.NullPointerException]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1796)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:595)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:330)
... 34 more
Caused by: javax.naming.NamingException: Unexpected exception resolving reference [Root exception is java.lang.NullPointerException]
at org.apache.naming.NamingContext.lookup(NamingContext.java:856)
at org.apache.naming.NamingContext.lookup(NamingContext.java:159)
at org.apache.naming.NamingContext.lookup(NamingContext.java:827)
at org.apache.naming.NamingContext.lookup(NamingContext.java:159)
at org.apache.naming.NamingContext.lookup(NamingContext.java:827)
at org.apache.naming.NamingContext.lookup(NamingContext.java:159)
at org.apache.naming.NamingContext.lookup(NamingContext.java:827)
at org.apache.naming.NamingContext.lookup(NamingContext.java:173)
at org.apache.naming.SelectorContext.lookup(SelectorContext.java:163)
at javax.naming.InitialContext.lookup(InitialContext.java:417)
at org.springframework.jndi.JndiTemplate.lambda$lookup$0(JndiTemplate.java:157)
at org.springframework.jndi.JndiTemplate.execute(JndiTemplate.java:92)
at org.springframework.jndi.JndiTemplate.lookup(JndiTemplate.java:157)
at org.springframework.jndi.JndiTemplate.lookup(JndiTemplate.java:179)
at org.springframework.jndi.JndiLocatorSupport.lookup(JndiLocatorSupport.java:96)
at org.springframework.jndi.JndiObjectLocator.lookup(JndiObjectLocator.java:114)
at org.springframework.jndi.JndiObjectFactoryBean.lookupWithFallback(JndiObjectFactoryBean.java:239)
at org.springframework.jndi.JndiObjectFactoryBean.afterPropertiesSet(JndiObjectFactoryBean.java:225)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1855)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1792)
... 41 more
Caused by: java.lang.NullPointerException
at org.apache.naming.factory.ResourceLinkFactory.getObjectInstance(ResourceLinkFactory.java:162)
at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:321)
at org.apache.naming.NamingContext.lookup(NamingContext.java:839)
... 60 more
Nov 09,2020 8:15:39 AM org.apache.catalina.core.StandardContext startInternal
SEVERE: One or more listeners failed to start. Full details will be found in the appropriate container log file
Nov 09,2020 8:15:39 AM org.apache.catalina.core.StandardContext startInternal
SEVERE: Context [/scoService] startup failed due to previous errors
Nov 09,2020 8:15:39 AM org.apache.catalina.core.ApplicationContext log
INFO: Closing Spring root WebApplicationContext
Nov 09,2020 8:15:39 AM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesJdbc
WARNING: The web application [scoService] registered the JDBC driver [oracle.jdbc.OracleDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak,the JDBC Driver has been forcibly unregistered.
Nov 09,2020 8:15:39 AM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-nio-8080"]
Nov 09,2020 8:15:39 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 1543 ms版权声明：本文内容由互联网用户自发贡献，该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容， 请发送邮件至 dio@foxmail.com 举报，一经查实，本站将立刻删除。