Could not load java.net.BindException错误解决

最新推荐文章于 2023-11-28 15:00:31 发布

转载最新推荐文章于 2023-11-28 15:00:31 发布 · 83 阅读

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原文链接：http://www.cnblogs.com/sblackboy/p/6250216.html

文章标签：

#数据库 #java

本文介绍了一个关于Tomcat服务器在重新部署应用程序时遇到的问题：由于MySQL的JDBC驱动被重复加载而导致的应用实例已停止异常。文章给出了简单有效的解决方案：将MySQL驱动文件从WEB-INF/lib移动到TOMCAT_HOME/lib。

出现了错误异常：
信息: Illegal access: this web application instance has been stopped already. Could not load java.net.BindException. The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.
java.lang.IllegalStateException
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1273)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at com.mysql.jdbc.SQLError.createLinkFailureMessageBasedOnHeuristics(SQLError.java:1220)
at com.mysql.jdbc.CommunicationsException.<init>(CommunicationsException.java:51)
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1070)
at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3270)
at com.mysql.jdbc.MysqlIO.quit(MysqlIO.java:1659)
at com.mysql.jdbc.ConnectionImpl.realClose(ConnectionImpl.java:4296)
at com.mysql.jdbc.ConnectionImpl.cleanup(ConnectionImpl.java:1265)
at com.mysql.jdbc.ConnectionImpl.finalize(ConnectionImpl.java:2667)
at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method)
at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:83)
at java.lang.ref.Finalizer.access$100(Finalizer.java:14)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:160)

在启动 tomcat ，并发布应用后没有问题，但是如果重新发布就出现如下异常：

this web application instance has been stopped already. Could not load java.net.BindException

this web application instance has been stopped already. Could not load com.mysql.jdbc

这是由于 MySQL 的 JDBC 驱动放在应用的 WEB-INF/lib 目录下，在重新发布时其加载了两次，故只要将其拷贝到 TOMCAT_HOME%/lib 中即可解决该问题。

解决这两个异常可以将 MySQL 的驱动文件从 WEB-INF/lib 文件夹中移动到 %TOMCAT_HOME%/lib 中

转载于:https://www.cnblogs.com/sblackboy/p/6250216.html