{"id":335,"date":"2017-07-08T20:29:15","date_gmt":"2017-07-08T12:29:15","guid":{"rendered":"http:\/\/www.chenweikang.top\/?p=335"},"modified":"2017-07-08T20:33:26","modified_gmt":"2017-07-08T12:33:26","slug":"tomcat7%e5%90%af%e5%8a%a8%e5%b7%a8%e6%85%a2%ef%bc%8c","status":"publish","type":"post","link":"https:\/\/www.chenweikang.top\/?p=335","title":{"rendered":"tomcat7\u542f\u52a8\u5de8\u6162\uff0c\u71b5\u6c60\u88ab\u7528\u7a7a\u9020\u6210jvm\u963b\u585e"},"content":{"rendered":"<h2 id=\"\u539f\u56e0\">\u4eca\u5929\u5728centos \u4e0a tomcat7\u90e8\u7f72\u9879\u76ee\u53d1\u73b0\u5361\u5728<br \/>\nRoot WebApplicationContext : initialization completed in 4569ms<\/h2>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.chenweikang.top\/wp-content\/uploads\/2017\/07\/tomcat-\u963b\u585e1.jpg\" class=\"gallery_colorbox\" rel=\"attachment wp-att-336\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-336\" src=\"http:\/\/www.chenweikang.top\/wp-content\/uploads\/2017\/07\/tomcat-\u963b\u585e1.jpg\"  alt=\"tomcat-\u963b\u585e1\" width=\"1342\" height=\"187\" srcset=\"https:\/\/www.chenweikang.top\/wp-content\/uploads\/2017\/07\/tomcat-\u963b\u585e1.jpg 1342w, https:\/\/www.chenweikang.top\/wp-content\/uploads\/2017\/07\/tomcat-\u963b\u585e1-300x42.jpg 300w, https:\/\/www.chenweikang.top\/wp-content\/uploads\/2017\/07\/tomcat-\u963b\u585e1-768x107.jpg 768w, https:\/\/www.chenweikang.top\/wp-content\/uploads\/2017\/07\/tomcat-\u963b\u585e1-1024x143.jpg 1024w\" sizes=\"auto, (max-width: 1342px) 100vw, 1342px\" \/><\/a>\u6574\u4e2a\u8fc7\u7a0b\u5e76\u6ca1\u6709\u62a5\u9519\uff0c\u5927\u6982\u5341\u6765\u5206\u949f\u9879\u76ee\u624d\u542f\u52a8\u5b8c\u6210<\/p>\n<p>\u67e5\u9605\u5927\u91cf\u8d44\u6599\u53d1\u73b0\u662f\u7531\u4e8etomcat\u542f\u52a8\u65f6\u4ea7\u751f\u968f\u673a\u6570\u5bfc\u81f4jvm\u963b\u585e\uff0c\u53ef\u80fd\u662f\u6211\u591a\u6b21\u91cd\u542ftomcat\u5bfc\u81f4\u71b5\u6c60\u88ab\u7528\u7a7a\u9020\u6210\u963b\u585e\u3002\u3002<\/p>\n<p>\u5728apache-tomcat\u5b98\u65b9\u6587\u6863\uff1a<a href=\"http:\/\/wiki.apache.org\/tomcat\/HowTo\/FasterStartUp\" rel=\"nofollow\">\u5982\u4f55\u8ba9tomcat\u542f\u52a8\u66f4\u5feb<\/a>\u91cc\u9762\u63d0\u5230\u4e86\u4e00\u4e9b\u542f\u52a8\u65f6\u7684\u4f18\u5316\u9879\uff0c\u5176\u4e2d\u4e00\u9879\u662f\u5173\u4e8e\u968f\u673a\u6570\u751f\u6210\u65f6\uff0c\u91c7\u7528\u7684\u201c\u71b5\u6e90\u201d(entropy source)\u7684\u7b56\u7565\u3002\u4ed6\u63d0\u5230tomcat7\u7684session id\u7684\u751f\u6210\u4e3b\u8981\u901a\u8fc7java.security.SecureRandom\u751f\u6210\u968f\u673a\u6570\u6765\u5b9e\u73b0\uff0c\u968f\u673a\u6570\u7b97\u6cd5\u4f7f\u7528\u7684\u662f\u201dSHA1PRNG\u201d<\/p>\n<pre class=\"prettyprint\"><code class=\" hljs cs\"><span class=\"hljs-keyword\">private<\/span> String secureRandomAlgorithm = <span class=\"hljs-string\">\"SHA1PRNG\"<\/span>;<\/code><\/pre>\n<p>\u5728sun\/oracle\u7684jdk\u91cc\uff0c\u8fd9\u4e2a\u7b97\u6cd5\u7684\u63d0\u4f9b\u8005\u5728\u5e95\u5c42\u4f9d\u8d56\u5230\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u7684\u968f\u673a\u6570\u636e\uff0c\u5728linux\u4e0a\uff0c\u4e0e\u4e4b\u76f8\u5173\u7684\u662f\/dev\/random\u548c\/dev\/urandom\u3002<\/p>\n<p>\u5f53\u71b5\u6c60\u4e3a\u7a7a\u65f6\uff0c\u6765\u81ea\/dev\/random\u7684\u8bfb\u64cd\u4f5c\u5c06\u88ab\u963b\u585e\uff0c\u76f4\u5230\u71b5\u6c60\u6536\u96c6\u5230\u8db3\u591f\u7684\u73af\u5883\u566a\u58f0\u6570\u636e\u3002\u8fd9\u4e48\u505a\u7684\u76ee\u7684\u662f\u6210\u4e3a\u4e00\u4e2a\u5bc6\u7801\u5b89\u5168\u7684\u4f2a\u968f\u673a\u6570\u53d1\u751f\u5668\uff0c\u71b5\u6c60\u8981\u6709\u5c3d\u53ef\u80fd\u5927\u7684\u8f93\u51fa\u3002\u5bf9\u4e8e\u751f\u6210\u9ad8\u8d28\u91cf\u7684\u52a0\u5bc6\u5bc6\u94a5\u6216\u8005\u662f\u9700\u8981\u957f\u671f\u4fdd\u62a4\u7684\u573a\u666f\uff0c\u4e00\u5b9a\u8981\u8fd9\u4e48\u505a\u3002<\/p>\n<h3>\u90a3\u4e48\u4ec0\u4e48\u662f\u73af\u5883\u566a\u58f0\uff1f<\/h3>\n<p>\u968f\u673a\u6570\u4ea7\u751f\u5668\u4f1a\u624b\u673a\u6765\u81ea\u8bbe\u5907\u9a71\u52a8\u5668\u548c\u5176\u5b83\u6e90\u7684\u73af\u5883\u566a\u58f0\u6570\u636e\uff0c\u5e76\u653e\u5165\u71b5\u6c60\u4e2d\u3002\u4ea7\u751f\u5668\u4f1a\u8bc4\u4f30\u71b5\u6c60\u4e2d\u7684\u566a\u58f0\u6570\u636e\u7684\u6570\u91cf\u3002\u5f53\u71b5\u6c60\u4e3a\u7a7a\u65f6\uff0c\u8fd9\u4e2a\u566a\u58f0\u6570\u636e\u7684\u6536\u96c6\u662f\u6bd4\u8f83\u82b1\u65f6\u95f4\u7684\u3002\u8fd9\u5c31\u610f\u5473\u7740\uff0cTomcat\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u4f7f\u7528\u71b5\u6c60\u65f6\uff0c\u4f1a\u88ab\u963b\u585e\u8f83\u957f\u7684\u65f6\u95f4\u3002<\/p>\n<h2>\u89e3\u51b3<\/h2>\n<p>\u6709\u4e24\u79cd\u89e3\u51b3\u529e\u6cd5\uff1a<\/p>\n<h3>1\uff09\u914d\u7f6etomcat\u53c2\u6570<\/h3>\n<p>\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6eJRE\u4f7f\u7528\u975e\u963b\u585e\u7684Entropy Source\u3002<\/p>\n<p>\u5728catalina.sh\u4e2d\u52a0\u5165\u8fd9\u4e48\u4e00\u884c\uff1a-Djava.security.egd=file:\/dev\/.\/urandom \u5373\u53ef\u3002<\/p>\n<p>\u52a0\u5165\u540e\u518d\u542f\u52a8Tomcat\uff0c\u6574\u4e2a\u542f\u52a8\u8017\u65f6\u4e0b\u964d\u5230Server startup in 2912 ms\u3002<\/p>\n<p>2\uff09<strong>\u5728JVM\u73af\u5883\u4e2d\u89e3---\u4e00\u52b3\u6c38\u9038<\/strong><\/p>\n<p>\u6253\u5f00$JAVA_PATH\/jre\/lib\/security\/java.security\u8fd9\u4e2a\u6587\u4ef6\uff0c\u627e\u5230\u4e0b\u9762\u7684\u5185\u5bb9\uff1a<\/p>\n<p>securerandom.source=file:\/dev\/urandom<br \/>\n\u5927\u6982\u572870\u884c \uff0c\u66ff\u6362\u6210<\/p>\n<p>securerandom.source=file:\/dev\/.\/urandom<\/p>\n<p><a href=\"http:\/\/www.chenweikang.top\/wp-content\/uploads\/2017\/07\/tomcat-\u963b\u585e3.jpg\" class=\"gallery_colorbox\" rel=\"attachment wp-att-337\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-337\" src=\"http:\/\/www.chenweikang.top\/wp-content\/uploads\/2017\/07\/tomcat-\u963b\u585e3.jpg\"  alt=\"tomcat-\u963b\u585e3\" width=\"533\" height=\"60\" srcset=\"https:\/\/www.chenweikang.top\/wp-content\/uploads\/2017\/07\/tomcat-\u963b\u585e3.jpg 533w, https:\/\/www.chenweikang.top\/wp-content\/uploads\/2017\/07\/tomcat-\u963b\u585e3-300x34.jpg 300w\" sizes=\"auto, (max-width: 533px) 100vw, 533px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1a<a href=\"https:\/\/www.chenweikang.top\">\u5de6\u624b\u4ee3\u7801\u53f3\u624b\u8bd7<\/a> &raquo; <a href=\"https:\/\/www.chenweikang.top\/?p=335\">tomcat7\u542f\u52a8\u5de8\u6162\uff0c\u71b5\u6c60\u88ab\u7528\u7a7a\u9020\u6210jvm\u963b\u585e<\/a><\/p><div class=\"__youshang\">\r\n            <div id=\"__youshang_popup\" class=\"wechat popup\" style=\"display: none;\">\r\n                <div class=\"head\">~\u8c22\u8c22\u6253\u8d4f~<\/div>\r\n                <div class=\"qrcode\"><div class=\"qrcode-li 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id=\"__youshang_btn\">\u8d4f<\/a>\r\n        <\/div>","protected":false},"excerpt":{"rendered":"<p>\u4eca\u5929\u5728centos \u4e0a tomcat7\u90e8\u7f72\u9879\u76ee\u53d1\u73b0\u5361\u5728 Root WebApplicationContext  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":137,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[8,9],"tags":[20,21],"class_list":["post-335","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","category-houduan","tag-java","tag-linux"],"_links":{"self":[{"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/posts\/335","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=335"}],"version-history":[{"count":0,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/posts\/335\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/media\/137"}],"wp:attachment":[{"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}