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2010年12月04日
  Flex、FB、FC学习资料汇总[不断更新中...] 回复:1 阅读:1010
  [b]Flash Builder Beta下载地址:[/b]
  • http://www.adobe.com/cfusion/entitlement/index.cfm?e=labs_flashbuilder4
  [b]Adobe官方资料([/b]http://labs.adobe.com/technologies/flashbuilder4/tutorials/[b])[/b][b]:[/b]
  • What’s new in Flex 4 SDK beta(中文翻译:http://riameeting.com/node/225)
  • What’s new in Flash Builder 4 beta
  • Differences between Flex 3 SDK and Flex 4 SDK beta([b]useful[/b],针对在FB4中使用原来的Flex3项目比较有指导意义)
  • Effects in Adobe Flex 4 SDK beta
本指南详细阐述基于Python编程语言结合OpenCV计算机视觉库构建实时眼部状态分析系统的技术流程。该系统能够准确识别眼部区域,并对眨眼动作与持续闭眼状态进行判别。OpenCV作为功能强大的图像处理工具库,配合Python简洁的语法特性与丰富的第三方模块支持,为开发此类视觉应用提供了理想环境。 在环境配置阶段,除基础Python运行环境外,还需安装OpenCV核心模块与dlib机器学习库。dlib库内置的HOG(方向梯度直方图)特征检测算法在面部特征定位方面表现卓越。 技术实现包含以下关键环节: - 面部区域检测:采用预训练的Haar级联分类器或HOG特征检测器完成初始人脸定位,为后续眼部分析建立基础坐标系 - 眼部精确定位:基于已识别的人脸区域,运用dlib提供的面部特征点预测模型准确标定双眼位置坐标 - 眼睑轮廓分析:通过OpenCV的轮廓提取算法精确勾勒眼睑边缘形态,为状态判别提供几何特征依据 - 眨眼动作识别:通过连续帧序列分析眼睑开合度变化,建立动态阈值模型判断瞬时闭合动作 - 持续闭眼检测:设定更严格的状态持续时间与闭合程度双重标准,准确识别长时间闭眼行为 - 实时处理架构:构建视频流处理管线,通过帧捕获、特征分析、状态判断的循环流程实现实时监控 完整的技术文档应包含模块化代码实现、依赖库安装指引、参数调优指南及常见问题解决方案。示例代码需具备完整的错误处理机制与性能优化建议,涵盖图像预处理、光照补偿等实际应用中的关键技术点。 掌握该技术体系不仅有助于深入理解计算机视觉原理,更为疲劳驾驶预警、医疗监护等实际应用场景提供了可靠的技术基础。后续优化方向可包括多模态特征融合、深度学习模型集成等进阶研究领域。 资源来源于网络分享,仅用于学习交流使用,请勿用于商业,如有侵权请联系我删除!
D:\java2022\bin\java.exe -XX:TieredStopAtLevel=1 -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-Dmanagement.endpoints.jmx.exposure.include=*" "-javaagent:D:\IntelliJ IDEA 2024.2\lib\idea_rt.jar=50942:D:\IntelliJ IDEA 2024.2\bin" -Dfile.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.stderr.encoding=UTF-8 -classpath 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e\shiro\shiro-web\1.3.2\shiro-web-1.3.2.jar;D:\MVN\repository\com\baomidou\mybatis-plus\2.3\mybatis-plus-2.3.jar;D:\MVN\repository\com\baomidou\mybatis-plus-support\2.3\mybatis-plus-support-2.3.jar;D:\MVN\repository\com\baomidou\mybatis-plus-core\2.3\mybatis-plus-core-2.3.jar;D:\MVN\repository\com\github\jsqlparser\jsqlparser\1.1\jsqlparser-1.1.jar;D:\MVN\repository\com\baomidou\mybatis-plus-generate\2.3\mybatis-plus-generate-2.3.jar;D:\MVN\repository\com\baomidou\mybatisplus-spring-boot-starter\1.0.5\mybatisplus-spring-boot-starter-1.0.5.jar;D:\MVN\repository\org\springframework\boot\spring-boot-configuration-processor\2.2.2.RELEASE\spring-boot-configuration-processor-2.2.2.RELEASE.jar;D:\MVN\repository\com\google\protobuf\protobuf-java\3.10.0\protobuf-java-3.10.0.jar;D:\MVN\repository\org\apache\commons\commons-lang3\3.0\commons-lang3-3.0.jar;D:\MVN\repository\javax\validation\validation-api\2.0.1.Final\validation-api-2.0.1.Final.jar;D:\MVN\repository\commons-io\commons-io\2.2\commons-io-2.2.jar;D:\MVN\repository\com\alibaba\fastjson\1.2.8\fastjson-1.2.8.jar;D:\MVN\repository\com\baidu\aip\java-sdk\4.4.1\java-sdk-4.4.1.jar;D:\MVN\repository\org\json\json\20160810\json-20160810.jar;D:\MVN\repository\log4j\log4j\1.2.17\log4j-1.2.17.jar;D:\MVN\repository\org\apache\poi\poi-examples\3.9\poi-examples-3.9.jar;D:\MVN\repository\org\apache\poi\poi\3.9\poi-3.9.jar;D:\MVN\repository\commons-codec\commons-codec\1.13\commons-codec-1.13.jar;D:\MVN\repository\org\apache\poi\poi-excelant\3.9\poi-excelant-3.9.jar;D:\MVN\repository\org\apache\ant\ant\1.8.2\ant-1.8.2.jar;D:\MVN\repository\org\apache\ant\ant-launcher\1.8.2\ant-launcher-1.8.2.jar;D:\MVN\repository\org\apache\poi\poi-ooxml\3.9\poi-ooxml-3.9.jar;D:\MVN\repository\dom4j\dom4j\1.6.1\dom4j-1.6.1.jar;D:\MVN\repository\org\apache\poi\poi-ooxml-schemas\3.9\poi-ooxml-schemas-3.9.jar;D:\MVN\repository\org\apache\xmlbeans\xmlbeans\2.3.0\xmlbeans-2.3.0.jar;D:\MVN\repository\org\apache\poi\poi-scratchpad\3.9\poi-scratchpad-3.9.jar;D:\MVN\repository\org\springframework\spring-core\5.2.2.RELEASE\spring-core-5.2.2.RELEASE.jar;D:\MVN\repository\org\springframework\spring-jcl\5.2.2.RELEASE\spring-jcl-5.2.2.RELEASE.jar com.xiaoyaunzhiyuanzheguanlixitongApplication SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". SLF4J: Defaulting to no-operation (NOP) logger implementation SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details. . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.2.2.RELEASE) 11月 03, 2025 6:49:03 下午 org.apache.catalina.core.StandardService startInternal 信息: Starting service [Tomcat] 11月 03, 2025 6:49:03 下午 org.apache.catalina.core.StandardEngine startInternal 信息: Starting Servlet engine: [Apache Tomcat/9.0.29] 11月 03, 2025 6:49:03 下午 org.apache.catalina.core.ContainerBase startInternal 严重: A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[/xiaoyaunzhiyuanzheguanlixitong]] 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:145) 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.Tomcat.start(Tomcat.java:459) at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:107) at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:88) at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:438) at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:191) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:180) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:153) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:544) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) at com.xiaoyaunzhiyuanzheguanlixitongApplication.main(xiaoyaunzhiyuanzheguanlixitongApplication.java:16) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104) at java.base/java.lang.reflect.Method.invoke(Method.java:577) at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[/xiaoyaunzhiyuanzheguanlixitong]] 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:145) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ... 32 more Caused by: java.lang.NoClassDefFoundError: javax/annotation/Resource at org.apache.catalina.startup.WebAnnotationSet.loadClassAnnotation(WebAnnotationSet.java:172) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationListenerAnnotations(WebAnnotationSet.java:88) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:67) at org.apache.catalina.startup.Tomcat$FixContextListener.lifecycleEvent(Tomcat.java:1080) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5051) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ... 38 more Caused by: java.lang.ClassNotFoundException: javax.annotation.Resource at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521) ... 45 more 11月 03, 2025 6:49:03 下午 org.apache.catalina.core.ContainerBase startInternal 严重: A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: A child container failed during start 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.Tomcat.start(Tomcat.java:459) at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:107) at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:88) at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:438) at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:191) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:180) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:153) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:544) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) at com.xiaoyaunzhiyuanzheguanlixitongApplication.main(xiaoyaunzhiyuanzheguanlixitongApplication.java:16) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104) at java.base/java.lang.reflect.Method.invoke(Method.java:577) at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) Caused by: org.apache.catalina.LifecycleException: A child container failed during start 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:145) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ... 24 more Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[/xiaoyaunzhiyuanzheguanlixitong]] 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) ... 32 more Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[/xiaoyaunzhiyuanzheguanlixitong]] 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:145) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ... 32 more Caused by: java.lang.NoClassDefFoundError: javax/annotation/Resource at org.apache.catalina.startup.WebAnnotationSet.loadClassAnnotation(WebAnnotationSet.java:172) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationListenerAnnotations(WebAnnotationSet.java:88) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:67) at org.apache.catalina.startup.Tomcat$FixContextListener.lifecycleEvent(Tomcat.java:1080) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5051) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ... 38 more Caused by: java.lang.ClassNotFoundException: javax.annotation.Resource at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521) ... 45 more 11月 03, 2025 6:49:03 下午 org.apache.catalina.core.StandardService stopInternal 信息: Stopping service [Tomcat] Exception in thread "restartedMain" java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:119) at java.base/java.lang.reflect.Method.invoke(Method.java:577) at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) Caused by: org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:156) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:544) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) at com.xiaoyaunzhiyuanzheguanlixitongApplication.main(xiaoyaunzhiyuanzheguanlixitongApplication.java:16) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104) ... 2 more Caused by: org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:126) at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:88) at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:438) at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:191) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:180) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:153) ... 11 more Caused by: org.apache.catalina.LifecycleException: A child container failed during start 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.Tomcat.start(Tomcat.java:459) at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:107) ... 16 more Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: A child container failed during start 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) ... 24 more Caused by: org.apache.catalina.LifecycleException: A child container failed during start 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:145) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ... 24 more Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[/xiaoyaunzhiyuanzheguanlixitong]] 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) ... 32 more Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[/xiaoyaunzhiyuanzheguanlixitong]] 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:145) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ... 32 more Caused by: java.lang.NoClassDefFoundError: javax/annotation/Resource at org.apache.catalina.startup.WebAnnotationSet.loadClassAnnotation(WebAnnotationSet.java:172) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationListenerAnnotations(WebAnnotationSet.java:88) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:67) at org.apache.catalina.startup.Tomcat$FixContextListener.lifecycleEvent(Tomcat.java:1080) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5051) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ... 38 more Caused by: java.lang.ClassNotFoundException: javax.annotation.Resource at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521) ... 45 more Process finished with exit code 0 怎么解决这些问题
11-04
<think>我们面对两个问题: 1. SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder" -> 缺少SLF4J的日志绑定实现 2. Tomcat启动失败:ClassNotFoundException: javax.annotation.Resource -> 缺少javax.annotation包 根据用户描述,项目是Spring Boot 2.2.2。在Spring Boot 2.2.x中,默认使用Tomcat作为嵌入式容器,并且默认日志实现是Logback。 但是,这里有两个错误: 错误1:SLF4J的StaticLoggerBinder缺失 原因:SLF4J是一个日志门面,需要具体的日志实现(如Logback、Log4j等)来绑定。在Spring Boot中,通常通过`spring-boot-starter-logging`(默认包含Logback)来提供。如果排除了这个依赖,或者有依赖冲突导致绑定类加载失败,就会出现此错误。 错误2:javax.annotation.Resource类找不到 原因:在Java 9及以后版本中,javax.annotation包被移除了(从Java EE中移除)。而在Spring Boot 2.2.x中,它依赖于javax.annotation-api。所以,如果项目运行在Java 9+环境而没有显式引入javax.annotation-api,就会报错。 解决方案: 一、解决SLF4J日志绑定问题(针对Spring Boot 2.2.2): 1. 检查是否排除了Spring Boot默认的日志启动器(starter-logging)。如果是,则需要重新引入或添加其他日志绑定。 2. 如果没有排除,可能是依赖冲突。使用Maven的依赖树检查是否有多个日志绑定(例如同时引入了logback和log4j的绑定)?或者版本不兼容? 具体步骤: - 在pom.xml中确保有`spring-boot-starter-web`(它包含了`spring-boot-starter-logging`)。 - 如果确实排除了`spring-boot-starter-logging`,则需要手动添加一个日志绑定,例如: ```xml <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> </dependency> ``` 二、解决javax.annotation.Resource缺失问题: 在pom.xml中显式添加`javax.annotation-api`依赖: ```xml <dependency> <groupId>javax.annotation</groupId> <artifactId>javax.annotation-api</artifactId> <version>1.3.2</version> </dependency> ``` 因为Spring Boot 2.2.2的父工程(spring-boot-dependencies)中已经管理了此依赖的版本(1.3.2),所以可以省略版本号,由Spring Boot统一管理。但是,如果父工程中没有,则需要指定版本。 具体操作: 1. 检查并添加日志依赖: 确保`spring-boot-starter-web`没有被排除日志模块。如果没有,则无需额外操作。如果排除了,则添加Logback依赖。 2. 添加javax.annotation-api依赖(如果尚未引入): 在pom.xml的dependencies节点中加入上述依赖。 示例pom.xml修正: ```xml <dependencies> <!-- 其他依赖 ... --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <!-- 注意:不要排除logging --> </dependency> <!-- 如果确实需要排除logging(比如想用log4j2),则添加下面的依赖替代 --> <!-- <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <exclusions> <exclusion> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-logging</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-log4j2</artifactId> </dependency> --> <!-- 添加javax.annotation-api --> <dependency> <groupId>javax.annotation</groupId> <artifactId>javax.annotation-api</artifactId> <version>1.3.2</version> </dependency> </dependencies> ``` 注意:如果使用Java 11(或更高版本)且没有添加这个依赖,就会报错。因为Java 11彻底移除了Java EE模块。 三、检查Java版本: 确保项目使用的Java版本与Spring Boot 2.2.2兼容。Spring Boot 2.2.x要求Java 8或11。如果使用Java 11,则需要添加上述javax.annotation-api。 四、清理和重新构建: 修改pom.xml后,执行`mvn clean install`,然后重新启动项目。 五、如果问题仍然存在,检查依赖树: 运行`mvn dependency:tree`,查看日志相关的依赖和javax.annotation-api是否被正确引入,并排除冲突。 针对日志问题,重点检查: - 是否有多个日志绑定(例如同时存在logback-classic和log4j-slf4j-impl)? - 是否有旧版的slf4j-api或logback? 针对javax.annotation.Resource问题,检查: - 是否有其他依赖引入了旧版的javax.annotation(比如javax.annotation:jsr250-api)?如果有,考虑排除旧版。 总结步骤: 1. 添加javax.annotation-api依赖。 2. 确保spring-boot-starter-logging存在(即没有排除)。 3. 如果使用其他日志框架,正确排除默认日志并添加新日志的starter。 4. 清理并重新构建项目。 相关问题: 1. 如何查看Maven项目的依赖树? 2. Spring Boot如何切换日志框架? 3. 在Java 11中运行Spring Boot项目需要注意什么? 4. 如何解决ClassNotFoundException? </think>### 解决 Spring Boot 2.2.2 项目启动问题(SLF4J + Tomcat) #### 📌 问题分析 1. **SLF4J 静态绑定失败** `Failed to load class "org.slf4j.impl.StaticLoggerBinder"` 原因:SLF4J 日志门面缺少具体实现(如 Logback)[^1] 2. **Tomcat 启动失败** `ClassNotFoundException: javax.annotation.Resource` 原因:Java EE 模块缺失(Java 9+ 默认移除该包)[^3] #### 🔧 完整解决方案 ##### 步骤 1:添加 SLF4J 日志实现(解决第一个错误) 在 `pom.xml` 中添加 Logback 实现: ```xml <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> <version>1.2.3</version> </dependency> ``` ##### 步骤 2:添加 Java EE 依赖(解决第二个错误) 在 `pom.xml` 中添加缺失的 Java EE API: ```xml <dependency> <groupId>javax.annotation</groupId> <artifactId>javax.annotation-api</artifactId> <version>1.3.2</version> </dependency> ``` ##### 步骤 3:检查依赖冲突(关键步骤) 执行命令检查依赖树: ```bash mvn dependency:tree -Dincludes=org.slf4j,ch.qos.logback,javax.annotation ``` 重点关注: - 是否有多个 SLF4J 绑定(如同时存在 logback 和 log4j) - 是否重复引入不同版本的 `javax.annotation-api` ##### 步骤 4:清理并重建项目 ```bash mvn clean install ``` #### 💡 补充说明 1. **Java 版本兼容性** Spring Boot 2.2.2 官方支持 Java 8/11。若使用 Java 11+: ```xml <!-- 必须添加的 Java EE 模块 --> <dependency> <groupId>javax.xml.ws</groupId> <artifactId>jaxws-api</artifactId> <version>2.3.1</version> </dependency> ``` 2. **依赖冲突处理示例** 若存在冲突,使用 `<exclusions>`: ```xml <dependency> <groupId>com.xxx</groupId> <artifactId>problematic-lib</artifactId> <exclusions> <exclusion> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <!-- 冲突的日志实现 --> </exclusion> </exclusions> </dependency> ``` 3. **验证日志配置** 在 `src/main/resources` 添加基础日志配置 `logback.xml`: ```xml <configuration> <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender"> <encoder> <pattern>%d{HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n</pattern> </encoder> </appender> <root level="INFO"> <appender-ref ref="CONSOLE" /> </root> </configuration> ``` #### ⚠️ 注意事项 1. **禁止同时存在多个日志绑定** 检查项目中不能同时包含: - `logback-classic.jar` + `log4j-slf4j-impl.jar` - `slf4j-jdk14.jar` + `slf4j-log4j12.jar` 2. **Spring Boot 默认日志** `spring-boot-starter-web` 已包含 Logback 依赖,若排除需显式声明: ```xml <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <exclusions> <exclusion> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-logging</artifactId> </exclusion> </exclusions> </dependency> ``` 3. **Jakarta EE 兼容性** 若迁移到 Jakarta EE 9+: ```xml <dependency> <groupId>jakarta.annotation</groupId> <artifactId>jakarta.annotation-api</artifactId> <version>2.1.1</version> </dependency> ``` #### 验证成功指标 1. 启动时不再出现 SLF4J 警告 2. 控制台显示 Tomcat 初始化日志: ``` Tomcat initialized with port(s): 8080 (http) ``` 3. 日志中包含 Spring Boot 标志: ``` . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ ```
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