springboot 打war 采坑

最新推荐文章于 2022-06-12 12:36:55 发布

原创最新推荐文章于 2022-06-12 12:36:55 发布 · 423 阅读

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本文探讨了SpringBoot应用在Tomcat环境下部署时遇到的常见问题，特别是关于资源注解使用的不当导致的异常，提供了正确的注解使用建议。

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第一坑

2018-09-26 15:44:22.908  INFO 4700 --- [on(3)-127.0.0.1] ConfigServletWebServerApplicationContext : Closing org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@440c79a5: startup date [Wed Sep 26 15:44:08 CST 2018]; root of context hierarchy
2018-09-26 15:44:22.912  INFO 4700 --- [on(3)-127.0.0.1] o.s.c.support.DefaultLifecycleProcessor  : Stopping beans in phase 2147483647
2018-09-26 15:44:22.943  INFO 4700 --- [on(3)-127.0.0.1] o.s.j.e.a.AnnotationMBeanExporter        : Unregistering JMX-exposed beans on shutdown
2018-09-26 15:44:22.946  INFO 4700 --- [on(3)-127.0.0.1] o.s.j.e.a.AnnotationMBeanExporter        : Unregistering JMX-exposed beans
2018-09-26 15:44:22.962  INFO 4700 --- [on(3)-127.0.0.1] com.alibaba.druid.pool.DruidDataSource   : {dataSource-1} closed
26-Sep-2018 15:44:24.114 警告 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesJdbc The web application [ROOT] registered the JDBC driver [com.alibaba.druid.proxy.DruidDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
26-Sep-2018 15:44:24.115 警告 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesJdbc The web application [ROOT] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
26-Sep-2018 15:44:24.116 严重 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks The web application [ROOT] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@4b6150a]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@1d4f0f7c]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.
[2018-09-26 03:44:24,133] Artifact xdd:war: Error during artifact deployment. See server log for details.
26-Sep-2018 15:44:25.420 信息 [Abandoned connection cleanup thread] org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading Illegal access: this web application instance has been stopped already. Could not load []. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
 java.lang.IllegalStateException: Illegal access: this web application instance has been stopped already. Could not load []. 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:1311)
	at org.apache.catalina.loader.WebappClassLoaderBase.getResource(WebappClassLoaderBase.java:986)
	at com.mysql.jdbc.AbandonedConnectionCleanupThread.checkContextClassLoaders(AbandonedConnectionCleanupThread.java:90)
	at com.mysql.jdbc.AbandonedConnectionCleanupThread.run(AbandonedConnectionCleanupThread.java:63)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

原因 @Resource注解导致的问题
监听器中不要使用 @Resource注解
使用@Autowired注解即可
问题查找方式
打成war包放到tomcat下运行然后去查询tomcat目录下的日志查找原因