org/apache/hadoop/util/ShutdownHookManager$2

最新推荐文章于 2025-03-25 14:11:38 发布

原创最新推荐文章于 2025-03-25 14:11:38 发布 · 2.7k 阅读

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本文分析了在尝试关闭Tomcat时遇到的一个特定错误，详细解释了错误信息中提到的NoClassDefFoundError和ClassNotFoundException的原因，并探讨了可能的解决方案。

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关闭tomcat出现以下错误：

Exception in thread "Thread-15" java.lang.NoClassDefFoundError: org/apache/hadoop/util/ShutdownHookManager$2
at org.apache.hadoop.util.ShutdownHookManager.getShutdownHooksInOrder(ShutdownHookManager.java:183)
at org.apache.hadoop.util.ShutdownHookManager$1.run(ShutdownHookManager.java:64)
Caused by: java.lang.ClassNotFoundException: Illegal access: this web application instance has been stopped already. Could not load [org.apache.hadoop.util.ShutdownHookManager$2]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForClassLoading(WebappClassLoaderBase.java:1285)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1142)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1104)
... 2 more
Caused by: java.lang.IllegalStateException: Illegal access: this web application instance has been stopped already. Could not load [org.apache.hadoop.util.ShutdownHookManager$2]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1295)
at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForClassLoading(WebappClassLoaderBase.java:1283)
... 4 more