关于tomcat部署应用无法访问前端页面的问题

最近在做实训项目的时候使用到了 ssm框架，在项目环境搭建好后，运行程序时，一直遇到页面访问404错误。

项目运行日志如下：

十一月 13, 2022 11:56:07 上午 org.apache.catalina.core.AprLifecycleListener init

信息: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: D:\java\jdk\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;D:/java/jdk/bin/../jre/bin/server;D:/java/jdk/bin/../jre/bin;D:/java/jdk/bin/../jre/lib/amd64;D:\java\jdk\bin;D:\java\JRE\bin;D:\ernv\gradle\gradle-6.6.1-all\gradle-6.6.1\bin;C:\sqlite3;C:\ProgramData\Oracle\Java\javapath;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\iCLS\;C:\Program Files\Intel\Intel(R) Management Engine Components\iCLS\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Windows\System32\OpenSSH\;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\WiFi\bin\;C:\Program Files\Common Files\Intel\WirelessCommon\;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\DTS\Binn\;d:\python\Scripts;D:\爬虫所需软件\数据库\;D:\Git\cmd;D:\bin;C:\Program Files (x86)\Microsoft SQL Server\110\Tools\Binn\;C:\Program Files\Microsoft SQL Server\110\Tools\Binn\;C:\Program Files\Microsoft SQL Server\110\DTS\Binn\;D:\MySQL\MySQL Server 5.5\bin;D:\Python;C:\Program Files\Terminus\Terminus.exe;D:\tools\myBlog\node-v12.1.0-win-x64;D:\tools\myBlog\node-v12.1.0-win-x64\node-global;D:\tools\myBlog\node-v12.1.0-win-x64\node-global\node_modules\hexo\node_modules\.bin;D:\ernv\java\apache-maven-3.6.3-bin\apache-maven-3.6.3\bin;D:\ernv\lib\opencv\Opencv3.4.2\Opencv3.4.2\WindowSoft\opencv\build\x64\vc15\bin;I:\软件安装包\mrunit\windows系统hadoop插件-winutilsmaster\winutils-master\hadoop-2.6.3\bin;C:\Users\erbin\APPData\Local\Microsoft\WindowsApps;D:\ProGramTool\byTool\PyCharm 2022.3.2\bin;D:\爬虫所需软件\数据库\mysql-5.6.43-winx64\bin;D:\tools\Programs\Fiddler;D:\IDE\JetBrains\IDEA 2022.1\IntelliJ IDEA 2022.1\bin;C:\Users\erbin\AppData\Local\Pandoc\;D:\go\idea\GoLand 2022.1\bin;D:\eclipse-jee-neon-3-win32-x86_64\eclipse;;.

十一月 13, 2022 11:56:07 上午 org.apache.tomcat.util.digester.SetPropertiesRule begin

警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property ‘source’ to ‘org.eclipse.jst.j2ee.server:CRMSystem’ did not find a matching property.

十一月 13, 2022 11:56:08 上午 org.apache.coyote.AbstractProtocol init

信息: Initializing ProtocolHandler [“http-nio-8080”]

十一月 13, 2022 11:56:08 上午 org.apache.tomcat.util.net.NioSelectorPool getSharedSelector

信息: Using a shared selector for servlet write/read

十一月 13, 2022 11:56:08 上午 org.apache.coyote.AbstractProtocol init

信息: Initializing ProtocolHandler [“ajp-nio-8009”]

十一月 13, 2022 11:56:08 上午 org.apache.tomcat.util.net.NioSelectorPool getSharedSelector

信息: Using a shared selector for servlet write/read

十一月 13, 2022 11:56:08 上午 org.apache.catalina.startup.Catalina load

信息: Initialization processed in 866 ms

十一月 13, 2022 11:56:08 上午 org.apache.catalina.core.StandardService startInternal

信息: Starting service Catalina

十一月 13, 2022 11:56:08 上午 org.apache.catalina.core.StandardEngine startInternal

信息: Starting Servlet Engine: Apache Tomcat/8.0.5

十一月 13, 2022 11:56:12 上午 org.apache.catalina.core.ApplicationContext log

信息: No Spring WebApplicationInitializer types detected on classpath

十一月 13, 2022 11:56:12 上午 org.apache.coyote.AbstractProtocol start

信息: Starting ProtocolHandler [“http-nio-8080”]

十一月 13, 2022 11:56:12 上午 org.apache.coyote.AbstractProtocol start

信息: Starting ProtocolHandler [“ajp-nio-8009”]

十一月 13, 2022 11:56:12 上午 org.apache.catalina.startup.Catalina start

信息: Server startup in 3826 ms

十一月 13, 2022 11:56:13 上午 org.apache.catalina.core.ApplicationContext log

信息: Initializing Spring FrameworkServlet ‘SpringMVC’

十一月 13, 2022 11:56:13 上午 org.springframework.web.servlet.DispatcherServlet initServletBean

信息: FrameworkServlet ‘SpringMVC’: initialization started

十一月 13, 2022 11:56:13 上午 org.springframework.web.context.support.XmlWebApplicationContext prepareRefresh

信息: Refreshing WebApplicationContext for namespace ‘SpringMVC-servlet’: startup date [Fri Nov 13 11:56:13 CST 2022]; root of context hierarchy

十一月 13, 2022 11:56:13 上午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions

信息: Loading XML bean definitions from file [G:\Language Proctice\java\pro\20221109\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\CRMSystem\WEB-INF\classes\spring\spring-dao.xml]

十一月 13, 2022 11:56:13 上午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions

信息: Loading XML bean definitions from file [G:\Language Proctice\java\pro\20221109\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\CRMSystem\WEB-INF\classes\spring\spring-mvc.xml]

十一月 13, 2022 11:56:13 上午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions

信息: Loading XML bean definitions from file [G:\Language Proctice\java\pro\20221109\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\CRMSystem\WEB-INF\classes\spring\spring-service.xml]

十一月 13, 2022 11:56:14 上午 org.springframework.context.support.PropertySourcesPlaceholderConfigurer loadProperties

信息: Loading properties file from class path resource [jdbc.properties]

十一月 13, 2022 11:56:14 上午 com.mchange.v2.log.MLog <clinit>

信息: MLog clients using java 1.4+ standard logging.

十一月 13, 2022 11:56:14 上午 com.mchange.v2.c3p0.C3Р0Registry banner

信息: Initializing c3p0-0.9.1.2 [built 21-May-2022 15:04:56; debug? true; trace: 10]

11:56:14,733 |-INFO in ch.qos.logback.classic.LoggerContext[default] – Could NOT find resource [logback.groovy]

11:56:14,734 |-INFO in ch.qos.logback.classic.LoggerContext[default] – Could NOT find resource [logback-test.xml]

11:56:14,734 |-INFO in ch.qos.logback.classic.LoggerContext[default] – Found resource [logback.xml] at [file:/G:/Language%20Proctice/java/pro/20221109/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/CRMSystem/WEB-INF/classes/logback.xml]

11:56:14,868 |-INFO in ch.qos.logback.core.joran.action.AppenderAction – About to instantiate appender of type [ch.qos.logback.core.ConsoleAppender]

11:56:14,878 |-INFO in ch.qos.logback.core.joran.action.AppenderAction – Naming appender as [STDOUT]

11:56:14,911 |-INFO in ch.qos.logback.core.joran.action.NestedComplexPropertyIA – Assuming default type [ch.qos.logback.classic.encoder.PatternLayoutEncoder] for [encoder] property

11:56:15,026 |-INFO in ch.qos.logback.classic.joran.action.RootLoggerAction – Setting level of ROOT logger to DEBUG

11:56:15,026 |-INFO in ch.qos.logback.core.joran.action.AppenderRefAction – Attaching appender named [STDOUT] to Logger[ROOT]

11:56:15,029 |-INFO in ch.qos.logback.classic.joran.action.ConfigurationAction – End of configuration.

11:56:15,031 |-INFO in ch.qos.logback.classic.joran.JoranConfigurator@5ad72777 – Registering current configuration as safe fallback point

11:56:15.057 [http-nio-8080-exec-2] DEBUG org.apache.ibatis.logging.LogFactory – Logging initialized using ‘class org.apache.ibatis.logging.slf4j.Slf4jImpl’ adapter.

11:56:15.272 [http-nio-8080-exec-2] DEBUG org.apache.ibatis.io.VFS – Class not found: org.jboss.vfs.VFS

11:56:15.272 [http-nio-8080-exec-2] DEBUG org.apache.ibatis.io.JBoss6VFS – JBoss 6 VFS API is not available in this environment.

11:56:15.275 [http-nio-8080-exec-2] DEBUG org.apache.ibatis.io.VFS – Class not found: org.jboss.vfs.VirtualFile

11:56:15.277 [http-nio-8080-exec-2] DEBUG org.apache.ibatis.io.VFS – VFS implementation org.apache.ibatis.io.JBoss6VFS is not valid in this environment.

11:56:15.277 [http-nio-8080-exec-2] DEBUG org.apache.ibatis.io.VFS – Using VFS adapter org.apache.ibatis.io.DefaultVFS

11:56:15.279 [http-nio-8080-exec-2] DEBUG o.m.spring.SqlSessionFactoryBean – Scanned package: ‘com.crm.entity’ for aliases

11:56:15.367 [http-nio-8080-exec-2] DEBUG o.m.spring.SqlSessionFactoryBean – Parsed configuration file: ‘class path resource [mybatis-config.xml]’

11:56:15.369 [http-nio-8080-exec-2] DEBUG o.m.spring.SqlSessionFactoryBean – Property ‘mapperLocations’ was not specified or no matching resources found

十一月 13, 2022 11:56:16 上午 org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter initControllerAdviceCache

信息: Looking for @ControllerAdvice: WebApplicationContext for namespace ‘SpringMVC-servlet’: startup date [Fri Nov 13 11:56:13 CST 2022]; root of context hierarchy

十一月 13, 2022 11:56:16 上午 org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter initControllerAdviceCache

信息: Looking for @ControllerAdvice: WebApplicationContext for namespace ‘SpringMVC-servlet’: startup date [Fri Nov 13 11:56:13 CST 2022]; root of context hierarchy

十一月 13, 2022 11:56:16 上午 org.springframework.web.servlet.handler.SimpleUrlHandlerMapping registerHandler

信息: Mapped URL path [/resources/**] onto handler ‘org.springframework.web.servlet.resource.ResourceHttpRequestHandler#0’

十一月 13, 2022 11:56:16 上午 org.springframework.web.servlet.handler.SimpleUrlHandlerMapping registerHandler

信息: Mapped URL path [/**] onto handler ‘org.springframework.web.servlet.resource.DefaultServletHttpRequestHandler#0’

十一月 13, 2022 11:56:16 上午 org.springframework.web.servlet.DispatcherServlet initServletBean

信息: FrameworkServlet ‘SpringMVC’: initialization completed in 3240 ms刚开始，我觉得是ssm环境问题，spirng-mvc没有正确配置，但是仔细观察日志，可以看到：

spring mvc 已经成功接管了我的静态资源

十一月 13, 2022 11:56:13 上午 org.springframework.web.servlet.DispatcherServlet initServletBean

信息: FrameworkServlet ‘SpringMVC’: initialization started

十一月 13, 2022 11:56:16 上午 org.springframework.web.servlet.DispatcherServlet initServletBeanspring三个配置文件都已经加载进环境

十一月 13, 2022 11:56:13 上午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions

信息: Loading XML bean definitions from file [G:\Language Proctice\java\pro\20221109\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\CRMSystem\WEB-INF\classes\spring\spring-dao.xml]

十一月 13, 2022 11:56:13 上午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions

信息: Loading XML bean definitions from file [G:\Language Proctice\java\pro\20221109\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\CRMSystem\WEB-INF\classes\spring\spring-mvc.xml]

十一月 13, 2022 11:56:13 上午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions

信息: Loading XML bean definitions from file [G:\Language Proctice\java\pro\20221109\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\CRMSystem\WEB-INF\classes\spring\spring-service.xml]资源目录和orm映射模型目录已经加载

十一月 13, 2022 11:56:16 上午 org.springframework.web.servlet.handler.SimpleUrlHandlerMapping registerHandler

信息: Mapped URL path [/resources/**] onto handler ‘org.springframework.web.servlet.resource.ResourceHttpRequestHandler#0’

十一月 13, 2022 11:56:16 上午 org.springframework.web.servlet.handler.SimpleUrlHandlerMapping registerHandler

信息: Mapped URL path [/**] onto handler ‘org.springframework.web.servlet.resource.DefaultServletHttpRequestHandler#0’所以排除对ssm环境配置的怀疑，我再次查看tomcat。

在检验端口号未被占用等问题以后，我
将tomcat8.0.5换成了tomcat8.5。

结果是成功访问到了前端页面，解决了这个问题。

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