tomcat突然启动失败了

tomcat突然启动失败了

WARNING: An illegal reflective access operation has occurred

WARNING: Illegal reflective access by org.apache.catalina.loader.WebappClassLoaderBase (file:/D:/apache-tomcat-9.0.37-windows-x64/apache-tomcat-9.0.37/lib/catalina.jar) to field java.io.ObjectStreamClass$Caches.localDescs

WARNING: Please consider reporting this to the maintainers of org.apache.catalina.loader.WebappClassLoaderBase

WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations

WARNING: All illegal access operations will be denied in a future release

这是控制台打印的警告  怎么解决啊
慕粉1705037409 2020-08-24
源自：项目：登录注册功能   6-2 项目作业
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7回答
好帮手慕阿莹 回答被采纳获得+3积分 2020-08-24 15:14:59

同学你好

控制台的信息没有相关提示，同学点击一下这个详细信息看一下呢？

http://img1.sycdn.imooc.com//climg/5f43684909d0c2cc04480244.jpg

猜测有可能是因为端口号占用，之前是否有启动过Tomcat没有关呢？

建议同学找到Tomcat的安装目录下的bin目录，双击

http://img1.sycdn.imooc.com//climg/5f4368ca09e84c3701810021.jpg

shutdown.bat 命令关闭一下Tomcat，然后再启动试试。

祝学习愉快。

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  • 慕粉1705037409 提问者 #1
    还是不行 Server Tomcat v9.0 Server at localhost failed to start. 这是详细信息
    2020-08-24 15:19:42
  • 好帮手慕阿莹 回复 提问者 慕粉1705037409 #2
    老师在上边补充了一些，BookServlet和UpBookServlet的url修改成不一样的，然后再试试，祝学习愉快。
    2020-08-24 15:22:20
好帮手慕阿莹 2020-08-24 15:18:28

同学你好

同学可以着重找Caused by 后边的错误：

http://img1.sycdn.imooc.com//climg/5f43693e091cf3b708200207.jpg

例如这里显示，你的Servlet的url的映射地址写错了，有两个servlet的地址都写成了/dept  ,分别是BookServlet和UpBookServlet，同学修改成不一样的，然后再试试。

如果我的回答解决了你的疑惑，请采纳！祝学习愉快！

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提问者 慕粉1705037409 2020-08-24 15:12:07

8月 24, 2020 3:05:45 下午 org.apache.catalina.core.ContainerBase startInternal

严重: 子容器启动失败

java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: 子容器启动失败

at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)

at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)

at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916)

at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)

at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)

at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)

at org.apache.catalina.startup.Catalina.start(Catalina.java:738)

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.base/java.lang.reflect.Method.invoke(Method.java:564)

at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:342)

at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:473)

Caused by: org.apache.catalina.LifecycleException: 子容器启动失败

at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:928)

at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)

at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)

at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)

at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)

at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)

... 13 more

Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: 无法启动组件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/books]]

at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)

at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)

at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916)

... 21 more

Caused by: org.apache.catalina.LifecycleException: 无法启动组件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/books]]

at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)

at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)

at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)

at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)

at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)

... 21 more

Caused by: java.lang.IllegalArgumentException: 名为 [com.imooc.servlet.BookServlet]和 [com.imooc.servlet.UpBookSrevlet] 的servlet不能映射为一个url模式(url-pattern) [/dept]

at org.apache.tomcat.util.descriptor.web.WebXml.addServletMappingDecoded(WebXml.java:343)

at org.apache.tomcat.util.descriptor.web.WebXml.addServletMapping(WebXml.java:336)

at org.apache.catalina.startup.ContextConfig.processAnnotationWebServlet(ContextConfig.java:2676)

at org.apache.catalina.startup.ContextConfig.processClass(ContextConfig.java:2352)

at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2341)

at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:2233)

at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:2227)

at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:2227)

at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:2227)

at org.apache.catalina.startup.ContextConfig.processClasses(ContextConfig.java:1439)

at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1351)

at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:983)

at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:302)

at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5044)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)

... 27 more


8月 24, 2020 3:05:45 下午 org.apache.catalina.startup.Catalina start

严重: 所必需的服务组件启动失败，所以无法启动Tomcat

org.apache.catalina.LifecycleException: 子容器启动失败

at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:928)

at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)

at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)

at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)

at org.apache.catalina.startup.Catalina.start(Catalina.java:738)

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.base/java.lang.reflect.Method.invoke(Method.java:564)

at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:342)

at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:473)

Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: 子容器启动失败


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提问者 慕粉1705037409 2020-08-24 15:11:51

严重: 子容器启动失败

java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: 无法启动组件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/books]]

at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)

at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)

at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916)

at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)

at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)

at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)

at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)

at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)

at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)

at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)

at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)

at org.apache.catalina.startup.Catalina.start(Catalina.java:738)

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.base/java.lang.reflect.Method.invoke(Method.java:564)

at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:342)

at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:473)

Caused by: org.apache.catalina.LifecycleException: 无法启动组件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/books]]

at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)

at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)

at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)

at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)

at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)

... 21 more

Caused by: java.lang.IllegalArgumentException: 名为 [com.imooc.servlet.BookServlet]和 [com.imooc.servlet.UpBookSrevlet] 的servlet不能映射为一个url模式(url-pattern) [/dept]

at org.apache.tomcat.util.descriptor.web.WebXml.addServletMappingDecoded(WebXml.java:343)

at org.apache.tomcat.util.descriptor.web.WebXml.addServletMapping(WebXml.java:336)

at org.apache.catalina.startup.ContextConfig.processAnnotationWebServlet(ContextConfig.java:2676)

at org.apache.catalina.startup.ContextConfig.processClass(ContextConfig.java:2352)

at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2341)

at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:2233)

at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:2227)

at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:2227)

at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:2227)

at org.apache.catalina.startup.ContextConfig.processClasses(ContextConfig.java:1439)

at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1351)

at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:983)

at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:302)

at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5044)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)

... 27 more




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提问者 慕粉1705037409 2020-08-24 15:11:16

at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)

at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)

at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916)

... 13 more

Caused by: org.apache.catalina.LifecycleException: 子容器启动失败

at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:928)

at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)

at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)

at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)

at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)

at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)

... 13 more

Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: 无法启动组件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/books]]

at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)

at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)

at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916)

... 21 more

Caused by: org.apache.catalina.LifecycleException: 无法启动组件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/books]]

at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)

at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)

at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)

at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)

at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)

... 21 more

Caused by: java.lang.IllegalArgumentException: 名为 [com.imooc.servlet.BookServlet]和 [com.imooc.servlet.UpBookSrevlet] 的servlet不能映射为一个url模式(url-pattern) [/dept]

at org.apache.tomcat.util.descriptor.web.WebXml.addServletMappingDecoded(WebXml.java:343)

at org.apache.tomcat.util.descriptor.web.WebXml.addServletMapping(WebXml.java:336)

at org.apache.catalina.startup.ContextConfig.processAnnotationWebServlet(ContextConfig.java:2676)

at org.apache.catalina.startup.ContextConfig.processClass(ContextConfig.java:2352)

at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2341)

at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:2233)

at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:2227)

at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:2227)

at org.apache.catalina.startup.ContextConfig.processAnnotationsWebResource(ContextConfig.java:2227)

at org.apache.catalina.startup.ContextConfig.processClasses(ContextConfig.java:1439)

at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1351)

at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:983)

at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:302)

at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5044)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)

... 27 more


8月 24, 2020 3:05:45 下午 org.apache.coyote.AbstractProtocol pause

信息: 暂停ProtocolHandler["http-nio-8080"]

8月 24, 2020 3:05:45 下午 org.apache.catalina.core.StandardService stopInternal

信息: 正在停止服务[Catalina]

8月 24, 2020 3:05:45 下午 org.apache.coyote.AbstractProtocol destroy

信息: 正在摧毁协议处理器 ["http-nio-8080"]

WARNING: An illegal reflective access operation has occurred

WARNING: Illegal reflective access by org.apache.catalina.loader.WebappClassLoaderBase (file:/D:/apache-tomcat-9.0.37-windows-x64/apache-tomcat-9.0.37/lib/catalina.jar) to field java.io.ObjectStreamClass$Caches.localDescs

WARNING: Please consider reporting this to the maintainers of org.apache.catalina.loader.WebappClassLoaderBase

WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations

WARNING: All illegal access operations will be denied in a future release


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提问者 慕粉1705037409 2020-08-24 15:09:13

http://img1.sycdn.imooc.com//climg/5f4366f509c3c15604380228.jpg

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: Server.服务器版本: Apache Tomcat/9.0.37

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: 服务器构建:        Jun 30 2020 20:09:49 UTC

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: 服务器版本号(:     9.0.37.0

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: 操作系统名称:      Windows 10

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: OS.版本:           10.0

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: 架构:              amd64

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: Java 环境变量:     D:\Java\jdk-14.0.1

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: Java虚拟机版本:    14.0.1+7

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: JVM.供应商:        Oracle Corporation

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: CATALINA_BASE:     D:\apache-tomcat-9.0.37-windows-x64\apache-tomcat-9.0.37

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: CATALINA_HOME:     D:\apache-tomcat-9.0.37-windows-x64\apache-tomcat-9.0.37

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: 命令行参数：-agentlib:jdwp=transport=dt_socket,suspend=y,address=localhost:51568

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: 命令行参数：-javaagent:D:\App\eclipse\configuration\org.eclipse.osgi\413\0\.cp\lib\javaagent-shaded.jar

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: 命令行参数：-Dcatalina.base=D:\apache-tomcat-9.0.37-windows-x64\apache-tomcat-9.0.37

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: 命令行参数：-Dcatalina.home=D:\apache-tomcat-9.0.37-windows-x64\apache-tomcat-9.0.37

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: 命令行参数：-Dwtp.deploy=D:\eclipse-workspace

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.VersionLoggerListener log

信息: 命令行参数：-Dfile.encoding=UTF-8

8月 24, 2020 3:05:44 下午 org.apache.catalina.core.AprLifecycleListener lifecycleEvent

信息: 使用APR版本[1.7.0]加载了基于APR的Apache Tomcat本机库[1.2.24]。

8月 24, 2020 3:05:44 下午 org.apache.catalina.core.AprLifecycleListener lifecycleEvent

信息: APR功能：IPv6[true]、sendfile[true]、accept filters[false]、random[true]。

8月 24, 2020 3:05:44 下午 org.apache.catalina.core.AprLifecycleListener lifecycleEvent

信息: APR/OpenSSL配置：useAprConnector[false]，useOpenSSL[true]

8月 24, 2020 3:05:44 下午 org.apache.catalina.core.AprLifecycleListener initializeSSL

信息: OpenSSL成功初始化 [OpenSSL 1.1.1g  21 Apr 2020]

8月 24, 2020 3:05:44 下午 org.apache.coyote.AbstractProtocol init

信息: 初始化协议处理器 ["http-nio-8080"]

8月 24, 2020 3:05:44 下午 org.apache.catalina.startup.Catalina load

信息: 服务器在[872]毫秒内初始化

8月 24, 2020 3:05:44 下午 org.apache.catalina.core.StandardService startInternal

信息: 正在启动服务[Catalina]

8月 24, 2020 3:05:44 下午 org.apache.catalina.core.StandardEngine startInternal

信息: 正在启动 Servlet 引擎：[Apache Tomcat/9.0.37]

8月 24, 2020 3:05:45 下午 org.apache.catalina.core.ContainerBase startInternal


===========================================

这是控制台 打印的所有信息

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好帮手慕阿莹 2020-08-24 14:59:32

同学你好

警告信息只是提示作用，不会影响Tomcat启动失败的，以上告警信息意思是jdk版本太高了

这里老师建议同学使用jdk1.8，Tomcat8或8.5版本

修改后重新启动一下，如果还是有问题，

同学可以把报错信息贴全，老师帮你看一下是否还有其他的报错。

如果我的回答解决了你的疑惑，请采纳！祝学习愉快！



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问题已解决，确定采纳
还有疑问，暂不采纳

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2. 从网页搭建入门JavaWeb
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本阶段将从前端网页搭建入手，到Java Web基础，前后端结合助你完成Java Web小白的蜕变！

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4-3个人程序源码，提供给各位参考！

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2-4 编程练习

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text-align和direction有什么区别

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交作业交作业交作业

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是不是只有在JS语言中局部变量的定义才可以放在else语句中

24 1

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