{"id":9221,"date":"2024-03-27T20:22:34","date_gmt":"2024-03-27T12:22:34","guid":{"rendered":"https:\/\/egonlin.com\/?p=9221"},"modified":"2024-05-30T02:41:51","modified_gmt":"2024-05-29T18:41:51","slug":"tomcat%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=9221","title":{"rendered":"tomcat\u914d\u7f6e\u6587\u4ef6\u8be6\u89e3"},"content":{"rendered":"

\u4e00\u3001server.xml\u7ed3\u6784\u4ecb\u7ecd<\/h1>\n

\"file\"<\/div>
\n\u6587\u4ef6\u7ed3\u6784<\/p>\n
<server>\r\n    <service>\r\n        <connector PORT \/>\r\n        <engine>\r\n            <host name=www.a.com appBase=\/www\/a >\r\n                <context path=\"\" docBase=\/www\/a \/>\r\n                <context path=\"\/xuexi\" docBase=\/www\/a\/xuexi \/>\r\n            <\/host>\r\n\r\n            <host>\r\n                <context \/>\r\n            <\/host>\r\n        <\/engine>\r\n    <\/service>\r\n<\/server><\/code><\/pre>\n
\u89e3\u91ca
\n1\u3001server\u7ec4\u4ef6\u662f\u7ba1\u7406tomcat\u5b9e\u4f8b\u7684\u7ec4\u4ef6\uff0c\u53ef\u4ee5\u76d1\u542c\u4e00\u4e2a\u7aef\u53e3\uff0c\u4ece\u6b64\u7aef\u53e3\u4e0a\u53ef\u4ee5\u8fdc\u7a0b\u5411\u8be5\u5b9e\u4f8b\u53d1\u9001shutdown\u5173\u95ed\u547d\u4ee4\u3002<\/p>\n
2\u3001service\u7ec4\u4ef6\u662f\u4e00\u4e2a\u903b\u8f91\u7ec4\u4ef6\uff0c\u7528\u4e8e\u7ed1\u5b9aconnector\u548ccontainer\uff0c\u6709\u4e86service\u8868\u793a\u53ef\u4ee5\u5411\u5916\u63d0\u4f9b\u670d\u52a1\uff0c<\/p>\n
\u5c31\u50cf\u662f\u4e00\u822c\u7684daemon\u7c7b\u670d\u52a1\u7684service\u3002\u53ef\u4ee5\u8ba4\u4e3a\u4e00\u4e2aservice\u5c31\u542f\u52a8\u4e00\u4e2aJVM\uff0c\u66f4\u4e25\u683c\u5730\u8bf4\uff0c\r\n\u4e00\u4e2aengine\u7ec4\u4ef6\u624d\u5bf9\u5e94\u4e00\u4e2aJVM(\u5b9a\u4e49\u8d1f\u8f7d\u5747\u8861\u65f6\uff0cjvmRoute\u5c31\u5b9a\u4e49\u5728Engine\u7ec4\u4ef6\u4e0a\u7528\u6765\u6807\u8bc6\u8fd9\u4e2aJVM)\uff0c\r\n\u53ea\u4e0d\u8fc7connector\u4e5f\u5de5\u4f5c\u5728JVM\u4e2d\u3002<\/code><\/pre>\n
3\u3001connector\u7ec4\u4ef6\u662f \u76d1\u542c\u7ec4\u4ef6\uff0c\u5b83\u6709\u56db\u4e2a\u4f5c\u7528\uff1a
\n(1).\u5f00\u542f\u76d1\u542c\u5957\u63a5\u5b57\uff0c\u76d1\u542c\u5916\u754c\u8bf7\u6c42\uff0c\u5e76\u548c\u5ba2\u6237\u7aef\u5efa\u7acbTCP\u8fde\u63a5;
\n(2).\u4f7f\u7528protocolHandler\u89e3\u6790\u8bf7\u6c42\u4e2d\u7684\u534f\u8bae\u548c\u7aef\u53e3\u7b49\u4fe1\u606f\uff0c\u5982http\u534f\u8bae\u3001AJP\u534f\u8bae;
\n(3).\u6839\u636e\u89e3\u6790\u5230\u7684\u4fe1\u606f\uff0c\u4f7f\u7528processer\u5c06\u5206\u6790\u540e\u7684\u8bf7\u6c42\u8f6c\u53d1\u7ed9\u7ed1\u5b9a\u7684Engine;
\n(4).\u63a5\u6536\u54cd\u5e94\u6570\u636e\u5e76\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002
\n4\u3001container\u662f\u5bb9\u5668\uff0c\u5b83\u662f\u4e00\u7c7b\u7ec4\u4ef6\uff0c\u5728\u914d\u7f6e\u6587\u4ef6(\u5982server.xml)\u4e2d\u6ca1\u6709\u4f53\u73b0\u51fa\u6765\u3002\u5b83\u5305\u542b4\u4e2a\u5bb9\u5668\u7c7b\u7ec4\u4ef6\uff1aengine\u5bb9\u5668\u3001host\u5bb9\u5668\u3001context\u5bb9\u5668\u548cwrapper\u5bb9\u5668\u3002
\n5\u3001engine\u5bb9\u5668\u7528\u4e8e\u4ececonnector\u7ec4\u4ef6\u5904\u63a5\u6536\u5df2\u5efa\u7acb\u7684TCP\u8fde\u63a5\uff0c\u8fd8\u7528\u4e8e\u63a5\u6536\u5ba2\u6237\u7aef\u53d1\u9001\u7684http\u8bf7\u6c42\u5e76\u5206\u6790\u8bf7\u6c42\uff0c\u7136\u540e\u6309\u7167\u5206\u6790\u7684\u7ed3\u679c\u5c06\u76f8\u5173\u53c2\u6570\u4f20\u9012\u7ed9\u5339\u914d\u51fa\u7684\u865a\u62df\u4e3b\u673a\u3002engine\u8fd8\u7528\u4e8e\u6307\u5b9a\u9ed8\u8ba4\u7684\u865a\u62df\u4e3b\u673a\u3002<\/p>\n
6\u3001host\u5bb9\u5668\u5b9a\u4e49\u865a\u62df\u4e3b\u673a\uff0c\u7531\u4e8etomcat\u4e3b\u8981\u662f\u4f5c\u4e3aservlet\u5bb9\u5668\u7684\uff0c\u6240\u4ee5\u4e3a\u6bcf\u4e2awebapp\u6307\u5b9a\u4e86\u5b83\u4eec\u7684\u6839\u76ee\u5f55appBase\u3002<\/p>\n
7\u3001context\u5bb9\u5668\u4e3b\u8981\u662f\u6839\u636epath\u548cdocBase\u83b7\u53d6\u4e00\u4e9b\u4fe1\u606f\uff0c\u5c06\u7ed3\u679c\u4ea4\u7ed9\u5176\u5185\u7684wrapper\u7ec4\u4ef6\u8fdb\u884c\u5904\u7406(\u5b83\u63d0\u4f9bwrapper\u8fd0\u884c\u7684\u73af\u5883\uff0c\u6240\u4ee5\u5b83\u53eb\u4e0a\u4e0b\u6587context)\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u90fd\u91c7\u7528\u9ed8\u8ba4\u7684\u6807\u51c6wrapper\u7c7b\uff0c\u56e0\u6b64\u5728context\u5bb9\u5668\u4e2d\u51e0\u4e4e\u4e0d\u4f1a\u51fa\u73b0wrapper\u7ec4\u4ef6\u3002<\/p>\n
8\u3001wrapper\u5bb9\u5668\u5bf9\u5e94servlet\u7684\u5904\u7406\u8fc7\u7a0b\u3002\u5b83\u5f00\u542fservlet\u7684\u751f\u547d\u5468\u671f\uff0c\u6839\u636econtext\u7ed9\u51fa\u7684\u4fe1\u606f\u4ee5\u53ca\u89e3\u6790web.xml\u4e2d\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u8d1f\u8d23\u88c5\u8f7d\u76f8\u5173\u7684\u7c7b\uff0c\u521d\u59cb\u5316servlet\u5bf9\u8c61init()\u3001\u6267\u884cservlet\u4ee3\u7801service()\u4ee5\u53ca\u670d\u52a1\u7ed3\u675f\u65f6servlet\u5bf9\u8c61\u7684\u9500\u6bc1destory()\u3002<\/p>\n
9\u3001executor \u7ec4\u4ef6\u4e3a\u6bcf\u4e2aService\u7ec4\u4ef6\u63d0\u4f9b\u7ebf\u7a0b\u6c60\uff0c\u4f7f\u5f97\u5404\u4e2aconnector\u548cEngine\u53ef\u4ee5\u4ece\u7ebf\u7a0b\u6c60\u4e2d\u83b7\u53d6\u7ebf\u7a0b\u5904\u7406\u8bf7\u6c42(connector)\uff0c\u4ece\u800c\u5b9e\u73b0tomcat\u7684\u5e76\u53d1\u5904\u7406\u80fd\u529b\u3002\u4e00\u5b9a\u8981\u6ce8\u610f\uff0cExecutor\u7684\u7ebf\u7a0b\u6c60\u5927\u5c0f\u662f\u4e3aEngine\u7ec4\u4ef6\u8bbe\u7f6e\uff0c\u800c\u4e0d\u662f\u4e3aConnector\u8bbe\u7f6e\u7684\uff0cConnector\u7684\u7ebf\u7a0b\u6570\u91cf\u7531Connector\u7ec4\u4ef6\u7684acceptorThreadCount\u5c5e\u6027\u6765\u8bbe\u7f6e\u3002\u5982\u679c\u8981\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u8bbe\u7f6e\u8be5\u7ec4\u4ef6\uff0c\u5219\u5fc5\u987b\u8bbe\u7f6e\u5728Connector\u7ec4\u4ef6\u7684\u524d\u9762\uff0c\u4ee5\u4fbf\u5728Connector\u7ec4\u4ef6\u4e2d\u4f7f\u7528executor\u5c5e\u6027\u6765\u5f15\u7528\u914d\u7f6e\u597d\u7684Executor\u7ec4\u4ef6\u3002\u5982\u679c\u4e0d\u663e\u5f0f\u8bbe\u7f6e\uff0c\u5219\u91c7\u7528Connector\u7ec4\u4ef6\u4e0a\u7684\u9ed8\u8ba4\u914d\u7f6e\uff0c\u9ed8\u8ba4\u914d\u7f6e\u5982\u4e0b\uff1a<\/p>\n
(1). maxThreads\uff1a\u6700\u5927\u7ebf\u7a0b\u6570\uff0c\u9ed8\u8ba4\u503c200\u3002
\n(2). minSpareThreads\uff1a\u6700\u5c0f\u7a7a\u95f2\u7ebf\u7a0b\u6570\uff0c\u9ed8\u8ba4\u503c25\u3002
\n(3). maxIdleTime\uff1a\u7a7a\u95f2\u7ebf\u7a0b\u7684\u7ebf\u7a0b\u7a7a\u95f2\u591a\u957f\u65f6\u95f4\u624d\u4f1a\u9500\u6bc1\uff0c\u9ed8\u8ba4\u503c60000\u53731\u5206\u949f\u3002
\n(4). prestartminSpareThreads\uff1a\u662f\u5426\u542f\u52a8executor\u65f6\u5c31\u76f4\u63a5\u521b\u5efa\u7b49\u4e8e\u6700\u5c0f\u7a7a\u95f2\u7ebf\u7a0b\u6570\u7684\u7ebf\u7a0b\uff0c\u9ed8\u8ba4\u503c\u4e3afalse\uff0c\u5373\u53ea\u5728\u6709\u8fde\u63a5\u8bf7\u6c42\u8fdb\u5165\u65f6\u624d\u4f1a\u521b\u5efa\u3002<\/p>\n
\u6839\u636e\u4e0a\u9762\u63cf\u8ff0\u7684tomcat\u7ec4\u4ef6\u4f53\u7cfb\u7ed3\u6784\uff0c\u5904\u7406\u8bf7\u6c42\u7684\u5927\u81f4\u8fc7\u7a0b\u5176\u5b9e\u5f88\u5bb9\u6613\u63a8\u5bfc\u51fa\u6765\uff1a<\/p>\n
Client(request)–>Connector–>Engine–>Host–>Context–>Wrapper(response data)–>Connector(response header)–>Client<\/p>\n
\u6487\u5f00tomcat\u4f5c\u4e3aservlet\u5bb9\u5668\u7684\u884c\u4e3a\u3002\u5b83\u548capache\u3001nginx\u7684\u529f\u80fd\u5927\u81f4\u90fd\u80fd\u5bf9\u5e94\u4e0a\u3002\u4f8b\u5982\u4ee5nginx\u4e3a\u4f8b\uff0c\u4ee5\u4e0b\u662fnginx\u63d0\u4f9bweb\u670d\u52a1\u65f6\u7684\u914d\u7f6e\u7ed3\u6784\uff1a<\/p>\n
server {\r\n    listen PORT;             # \u5bf9\u5e94connetcor\u7ec4\u4ef6\r\n    server_name www.a.com;   # \u5bf9\u5e94\u4e8e<host name=www.a.com>\r\n    location \/ {             # \u5bf9\u5e94\u4e8econtext path=\"\"\uff0c\u6ca1\u9519context\u5c31\u76f8\u5f53\u4e8enginx\u7684localtion\u6307\u4ee4\r\n            root   html;     # \u5bf9\u5e94\u4e8edocBase\r\n        }\r\n    location \/xuexi {        # \u5bf9\u5e94\u4e8econtext path=\"\/xuexi\"\r\n            root   html\/xuexi;\r\n        }\r\n}<\/code><\/pre>\n
engine\u7ec4\u4ef6\u5219\u6ca1\u6709\u5bf9\u5e94\u914d\u7f6e\u9879\uff0cengine\u5185\u53ef\u4ee5\u5305\u542b\u591a\u4e2ahost\u865a\u62df\u4e3b\u673a\uff0c\u8fd9\u4e2a\u529f\u80fdnginx\u91cc\u4e5f\u6709<\/p>\n
\u66f4\u591a\u5185\u5bb9\u89c1
\nhttps:\/\/blog.csdn.net\/agonie201218\/article\/details\/110495766<\/a>
\nhttps:\/\/www.cnblogs.com\/kismetv\/p\/7228274.html<\/a><\/p>\n
\u4e8c\u3001\u914d\u7f6e\u793a\u4f8b<\/h1>\n
2.1 \u4fee\u6539\u914d\u7f6e\u91cd\u542f\u670d\u52a1<\/h2>\n
connector\u8fde\u63a5\u5668\u53ef\u4ee5\u5bf9\u5916\u66b4\u6f0fhttp\u534f\u8bae\u3001\u4e5f\u53ef\u4ee5\u66b4\u6f0fAJP\u534f\u8bae
\n
\"file\"<\/div>
\nserver.xml\u914d\u7f6e\u5982\u4e0b<\/p>\n
<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n<Server port=\"8005\" shutdown=\"SHUTDOWN\">\r\n    <Listener className=\"org.apache.catalina.startup.VersionLoggerListener\"\/>\r\n    <Listener className=\"org.apache.catalina.core.AprLifecycleListener\" SSLEngine=\"on\"\/>\r\n    <Listener className=\"org.apache.catalina.core.JreMemoryLeakPreventionListener\"\/>\r\n    <Listener className=\"org.apache.catalina.mbeans.GlobalResourcesLifecycleListener\"\/>\r\n    <Listener className=\"org.apache.catalina.core.ThreadLocalLeakPreventionListener\"\/>\r\n    <GlobalNamingResources>\r\n        <Resource name=\"UserDatabase\" auth=\"Container\"\r\n                  type=\"org.apache.catalina.UserDatabase\"\r\n                  description=\"User database that can be updated and saved\"\r\n                  factory=\"org.apache.catalina.users.MemoryUserDatabaseFactory\"\r\n                  pathname=\"conf\/tomcat-users.xml\"\/>\r\n    <\/GlobalNamingResources>\r\n    <Service name=\"Catalina\">\r\n        <Connector port=\"8080\" protocol=\"HTTP\/1.1\"\r\n                   connectionTimeout=\"20000\"\r\n                   redirectPort=\"8443\"\r\n                   maxParameterCount=\"1000\"\r\n        \/>\r\n        <Connector port=\"8009\" protocol=\"AJP\/1.3\" redirectPort=\"8443\"\/>\r\n        <Engine name=\"Catalina\" defaultHost=\"localhost\">\r\n            <Realm className=\"org.apache.catalina.realm.LockOutRealm\">\r\n                <Realm className=\"org.apache.catalina.realm.UserDatabaseRealm\"\r\n                       resourceName=\"UserDatabase\"\/>\r\n            <\/Realm>\r\n\r\n            <Host name=\"www.egon1.com\" appBase=\"\/test1\" unpackWARs=\"true\" autoDeploy=\"true\">\r\n                <Context path=\"\" docBase=\"\/test1\" reloadable=\"true\" \/>\r\n                <Context path=\"\/test_uri1\" docBase=\"xxx\" reloadable=\"true\" \/>\r\n                <Context path=\"\/test_uri2\" docBase=\"yyy\" reloadable=\"true\" \/>\r\n            <\/Host>\r\n            <Host name=\"www.egon2.com\" appBase=\"\/test2\" unpackWARs=\"true\" autoDeploy=\"true\">\r\n                <Context path=\"\" docBase=\"\" reloadable=\"true\" \/>\r\n                <Context path=\"\/test_uri3\" docBase=\"zzz\" reloadable=\"true\" \/>\r\n            <\/Host>\r\n            <Host name=\"localhost\" appBase=\"webapps\" unpackWARs=\"true\" autoDeploy=\"true\">\r\n            <\/Host>\r\n        <\/Engine>\r\n    <\/Service>\r\n<\/Server>\r\n<\/code><\/pre>\n
\u521b\u5efa\u76ee\u5f55<\/p>\n
mkdir \/test1\r\nmkdir \/test1\/xxx\r\nmkdir \/test1\/yyy\r\n\r\nmkdir \/test2\r\nmkdir \/test2\/zzz<\/code><\/pre>\n
\u6d4b\u8bd5\u4ee3\u7801index.jsp\u7ffb\u5230\u4e0a\u9762\u4e94\u4e2a\u6587\u4ef6\u5939\u4e0b\uff0c\u8f93\u51fa\u5185\u5bb9\u5206\u522b\u662f111\u3001222\u3001333\u3001444\u3001555<\/p>\n
<%@ page language=\"java\" %>\r\n<%@ page import=\"java.util.*\" %>\r\n<html>\r\n  <body>\r\n    <% out.println(\"hello world 111\"); %>\r\n  <\/body>\r\n<\/html><\/code><\/pre>\n
\u6700\u540e\u91cd\u542fcatalina\u3002<\/p>\n
catalina.sh stop\r\ncatalina.sh start<\/code><\/pre>\n
2.2 \u914d\u7f6e\u672c\u5730\u89e3\u6790<\/h2>\n
C:\\Windows\\System32\\drivers\\etc\\hosts\u4e2d\u6dfb\u52a0\u5982\u4e0b\u8bb0\u5f55\uff1a<\/p>\n
192.168.71.238 www.egon1.com www.egon2.com<\/code><\/pre>\n
2.3 \u6d4b\u8bd5<\/h2>\n
\u6709\u65f6\u5019\u56e0\u4e3a\u4e2a\u4eba\u73af\u5883\u7684\u95ee\u9898\u5f71\u54cd\u6709\u7684\u6d4f\u89c8\u5668\u4f1a\u4e0d\u652f\u6301\u591a\u865a\u62df\u4e3b\u673a\uff0c\u6362\u4e2a\u6d4f\u89c8\u5668\u6d4b\u8bd5\u5c31\u597d(\u6211\u7528\u8c37\u6b4c\u5c31\u4e0d\u884c\uff0c\u7528\u706b\u72d0\u53ef\u80fd)<\/p>\n
\u4ee5\u4e0b\u7684\u8bbf\u95ee\u90fd\u662f\u5339\u914d\u7684context\u00a0 path=”\u5177\u4f53\u7684uri\u8def\u5f84\u7684” \u7684\u60c5\u51b5\uff0curi\u8def\u5f84\u5339\u914d\u6210\u529f\u540e\uff0c\u4f1a\u53bbappBase\/docBase\u91cc\u627eindex.jsp<\/p>\n
[root@web03 \/tmp\/tomcat]# curl www.egon1.com:8080\/test_uri1\/\r\n  \r\n    hello world 222\r\n\r\n  \r\n\r\n[root@web03 \/tmp\/tomcat]# \r\n[root@web03 \/tmp\/tomcat]# curl www.egon1.com:8080\/test_uri2\/\r\n  \r\n    hello world 333\r\n\r\n  \r\n\r\n\r\n[root@web03 \/tmp\/tomcat]# curl www.egon2.com:8080\/test_uri3\/\r\n  \r\n    hello world 555\r\n\r\n  \r\n\r\n\r\n<\/pre>\n
 <\/p>\n
\u4ee5\u4e0b\u7684\u8bbf\u95ee\u90fd\u662f\u5339\u914d\u7684context\u00a0 path=”” \u7684\u60c5\u51b5
\n\u7528\u57df\u540dwww.egon1.com:8080\u8bbf\u95ee
\n
\"file\"<\/div>
\n\u8bbf\u95eewww.egon1.com:8080\/xxx
\n
\"file\"<\/div>
\n\u8bbf\u95eewww.egon1.com:8080\/yyy
\n
\"file\"<\/div><\/p>\n
\u7528\u57df\u540dwww.egon2.com:8080\/\u8bbf\u95ee
\n
\"file\"<\/div>
\n\u8bbf\u95ee\uff1awww.egon2.com:8080\/zzz
\n
\"file\"<\/div><\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u3001server.xml\u7ed3\u6784\u4ecb\u7ecd \u6587\u4ef6\u7ed3\u6784 <server> <service> &l […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/9221"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9221"}],"version-history":[{"count":6,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/9221\/revisions"}],"predecessor-version":[{"id":11032,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/9221\/revisions\/11032"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}