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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Tomcat 不能 graceful shutdown","articleBody":"我的配置是 tomcat + spring boot mvc，从spring boot 的例子工程中修改出来的，sdk 的版本 2.9.6。部署到tomcat下运行，不能正常的shutdown，有很多线程不能shutdown，例如：\r\n\r\n```\r\n12-Apr-2018 20:24:51.951 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [pool-2-thread-9] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:\r\n sun.misc.Unsafe.park(Native Method)\r\n java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)\r\n java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)\r\n java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)\r\n java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)\r\n java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)\r\n java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\r\n java.lang.Thread.run(Thread.java:748)\r\n```\r\n\r\n还有这类的：\r\n\r\n```\r\n12-Apr-2018 20:24:52.004 SEVERE [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks The web application [ROOT] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@2926f399]) and a value of type [com.github.binarywang.wxpay.bean.WxPayApiData] (value [\r\n【请求地址】：https://api.mch.weixin.qq.com/pay/unifiedorder\r\n【请求数据】：\u003cxml\u003e\r\n  \u003cappid\u003ewxxxxxxx\u003c/appid\u003e\r\n  \u003cmch_id\u003e1xxx\u003c/mch_id\u003e\r\n  \u003cnonce_str\u003e1523530799119\u003c/nonce_str\u003e\r\n  \u003csign\u003e3D1?????????????\u003c/sign\u003e\r\n  \u003cbody\u003eabcddd\u003c/body\u003e\r\n  \u003cout_trade_no\u003etx-341\u003c/out_trade_no\u003e\r\n  \u003ctotal_fee\u003e1\u003c/total_fee\u003e\r\n  \u003cspbill_create_ip\u003e172.31.233.29\u003c/spbill_create_ip\u003e\r\n  \u003ctime_start\u003e20180412185959\u003c/time_start\u003e\r\n  \u003ctime_expire\u003e20180412205959\u003c/time_expire\u003e\r\n  \u003cnotify_url\u003ehttp://mp.x.moxxbi.com/pay/notify\u003c/notify_url\u003e\r\n  \u003ctrade_type\u003eJSAPI\u003c/trade_type\u003e\r\n  \u003copenid\u003eoEKyxCRT93OmoI\u003c/openid\u003e\r\n\u003c/xml\u003e\r\n【响应数据】：\u003cxml\u003e\u003creturn_code\u003e\u003c![CDATA[SUCCESS]]\u003e\u003c/return_code\u003e\r\n\u003creturn_msg\u003e\u003c![CDATA[OK]]\u003e\u003c/return_msg\u003e\r\n\u003cappid\u003e\u003c![CDATA[wx????da0???]]\u003e\u003c/appid\u003e\r\n\u003cmch_id\u003e\u003c![CDATA[14966786487324-002]]\u003e\u003c/mch_id\u003e\r\n\u003cnonce_str\u003e\u003c![CDATA[EyuXgXeSJyDAeM4W]]\u003e\u003c/nonce_str\u003e\r\n\u003csign\u003e\u003c![CDATA[F1C2CF6??????618B4D56EE74495A4686]]\u003e\u003c/sign\u003e\r\n\u003cresult_code\u003e\u003c![CDATA[SUCCESS]]\u003e\u003c/result_code\u003e\r\n\u003cprepay_id\u003e\u003c![CDATA[wx12x883721bd45d2797498456]]\u003e\u003c/prepay_id\u003e\r\n\u003ctrade_type\u003e\u003c![CDATA[JSAPI]]\u003e\u003c/trade_type\u003e\r\n\u003c/xml\u003e]) 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.\r\n\r\n```\r\n\r\n我没看到在哪里设置graceful shutdown相关的配置，\r\n\r\n请求帮助\r\n","author":{"url":"https://github.com/gtyang","@type":"Person","name":"gtyang"},"datePublished":"2018-04-12T12:59:11.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":9},"url":"https://github.com/535/WxJava/issues/535"}