[tomcat启动报错] 严重: Error configuring application listener of class ...

recruits 2011-02-18 10:26:47
问题描述：
现有两个工程A、B，其中A为web工程，B为java工程。B工程包含一些共用类。
把B工程打成jar包，A工程通过buildpath引入b.jar。

使用eclipse3.6 + tomcat6.0插件的方式进行开发。

启动tomcat发布A工程之后，报错如下：
2011-2-18 10:18:55 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: C:\CommonTools\Java\jdk1.5.0_22\bin;.;C:\Windows\system32;C:\Windows;C:\CommonTools\Java\jdk1.5.0_22\jre\bin;C:/CommonTools/Java/jre6/bin/client;C:/CommonTools/Java/jre6/bin;C:/CommonTools/Java/jre6/lib/i386;C:\oracle\ora90\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Common Files\Thunder Network\KanKan\Codecs;C:\j2sdk1.4.2\bin;C:\Program Files\MySQL\MySQL Server 5.1\bin;C:\CommonTools\UnixUtils\bin;C:\CommonTools\UnixUtils\usr\local\wbin;C:\CommonTools\Vim\vim72;C:\CommonTools\Java\jad.exe;C:\CommonTools\MinGW\bin;C:\Program Files\GTK2-Runtime\bin;C:\Program Files\SinoVoice\jTTS 5.0 Desktop\Bin;E:\STUDY_JAVA_JAR\apache-ant-1.7.1-bin\apache-ant-1.7.1\bin;C:\CommonTools\TortoiseSVN\bin
2011-2-18 10:18:55 org.apache.coyote.http11.Http11Protocol init
信息: Initializing Coyote HTTP/1.1 on http-80
2011-2-18 10:18:55 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 529 ms
2011-2-18 10:18:55 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2011-2-18 10:18:55 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/6.0.20
2011-2-18 10:18:55 org.apache.catalina.core.StandardContext listenerStart
严重: Error configuring application listener of class com.mycop.spring.ContextHolderListener
java.lang.ClassNotFoundException: com.mycop.spring.ContextHolderListener
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3877)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4429)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:630)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:556)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:491)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1206)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:314)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:583)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:592)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
2011-2-18 10:18:55 org.apache.catalina.core.StandardContext listenerStart
严重: Skipped installing application listeners due to previous error(s)
2011-2-18 10:18:55 org.apache.catalina.core.StandardContext start
严重: Error listenerStart
2011-2-18 10:18:55 org.apache.catalina.core.StandardContext start
严重: Context [/copbusi] startup failed due to previous errors
2011-2-18 10:18:56 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2011-2-18 10:18:56 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2011-2-18 10:18:56 org.apache.coyote.http11.Http11Protocol start
信息: Starting Coyote HTTP/1.1 on http-80
2011-2-18 10:18:56 org.apache.jk.common.ChannelSocket init
信息: JK: ajp13 listening on /0.0.0.0:8009
2011-2-18 10:18:56 org.apache.jk.server.JkMain start
信息: Jk running ID=0 time=0/35 config=null
2011-2-18 10:18:56 org.apache.catalina.startup.Catalina start
信息: Server startup in 1040 ms


其中A工程中web.xml中相关配置：
.....
<listener>
<listener-class>
com.mycop.spring.ContextHolderListener</listener-class>
</listener>
.....

com.mycop.spring.ContextHolderListener 是B工程中的一个实现类


哪位高人能够指点一 2，非常感谢！
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linjiazhi 2012-04-24
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你将jar包重新加载和发布下，这样应该就没有问题了。
linjiazhi 2012-04-24
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你将jar包重新打包发布下，这样就可以了。
l879251231 2012-04-22
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可以换个工作区间试试，我昨天就是这样的，后来换了个工作区间就可以了。不过有疑问的就是在原来的工作区间运行别的web工程依旧会出现这样的问题。
myl30175 2011-12-27
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我也遇到同样的问题，学习~
rlplyyrb 2011-12-05
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我也遇到这个问题，找了好久原因~，最后解决了。原因我说你不信---在buildpath下面的libary里面有两个JRE SySTEM Libary，我擦，，太搞了！
Kevin-林 2011-11-11
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看个结果，还得回复，恶心不。
leeveai 2011-11-11
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我觉得是myeclipse加载启动项，删除的原因
luoxu1986900 2011-10-25
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是你的 web.xml 配置错误，你好好检查下，我的就是这样解决的
cqgoodluck 2011-10-24
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我也遇到了此类问题，我的是Tomcate 的问题，重装Tomcate 就好了。
angry00001 2011-09-28
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我这个前几天运行都还没有任何问题，突然就不能运行，该怎么解决
java.sql.SQLException: Listener refused the connection with the following error:
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
The Connection descriptor used by the client was:
127.0.0.1:1521:orcl

at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:125)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:280)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:319)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:344)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:148)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
数据库连接出错
sdau20072000 2011-09-16
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[Quote=引用 17 楼 sdau20072000 的回复:]
在web.xml中添加监听程序com.mycop.spring.ContextHolderListener
<listener-class>
<listener-name>com.mycop.spring.ContextHolderListener</listener-name>
<listener-class>
试试，看行不
[/Quote]
抑或是
<listener>
<listener-class>com.mycop.spring.ContextHolderListener</listener-class>
</listener>
sdau20072000 2011-09-15
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在web.xml中添加监听程序com.mycop.spring.ContextHolderListener
<listener-class>
<listener-name>com.mycop.spring.ContextHolderListener</listener-name>
<listener-class>
试试，看行不
fantiejun0436 2011-07-12
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我也遇到了同样的问题，到这这个原因是就是 在我的众多的项目中，有一个项目的web.xml配置文件错误了，虽然我在Myeclipse中吧这个项目删除了， 但是在我外部的TOmcat5.5这个程序中的webapp这个 文件夹中，还是 包含着我的那个出错的项目。
结果，我把这个出错的项目从tomcat5.5的 webapp文件夹中把 那个web.xml配置错误的项目删除后，这次 重启 Tomcat5.5的catalina 或者是再myeclipse 重新运行其他项目都没有问题

当然，我的这个问题 是个别的问题， 不一定适用解决你的问题， 只供参考
xianguangcai 2011-06-06
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今天刚遇到类似的问题，我的环境(jdk,eclipse,tomcat)和楼主的一样,不过我的是win7
我是这样解决的：
1.屏蔽掉sessionListener，重启tomcat，然后登录工程，尽量让系统的框架都启动一遍
2.去掉屏蔽，重启tomcat，然后登录工程。。。。。。
解决原因不详，请高手指教！
recruits 2011-02-18
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好，我先从13楼兄弟建议做起，尝试搞一搞看结果。
magong 2011-02-18
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[Quote=引用 10 楼 recruits 的回复:]

难道真的要从IDE上下手么，不甘心哪....
[/Quote]
程序员，当然要搞定IDE。

两个建议继续，

1、你用Eclipse JEE版不需要Tomcat插件。
2、从命令行自己启动Tomcat看看。反正Context你都会配的。
recruits 2011-02-18
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有哪位高人突然现身一下，迫切想解决这该死的莫名其妙问题

哪怕是指点个方向让我去尝试一下也好呢...
recruits 2011-02-18
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再补充一点，我是通过写copbusi.xml发布工程的

<?xml version="1.0" encoding="UTF-8"?>
<Context path="/CopBusi" docBase="E:\CopBusi\WebRoot" reloadable="true" debug="0" privileged="true">
<WatchedResource>WEB-INF/web.xml</WatchedResource>
</Context>

对于六楼兄说的，我检查了一下，是没有发现类的。
对于七楼兄说的，我也做了尝试，结果是一样的，仍然报错。

难道真的要从IDE上下手么，不甘心哪....
希望对你有帮助 2011-02-18
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[Quote=引用 7 楼 magong 的回复:]

B.jar肯定没问题的话，那一定是部署的问题。
[/Quote]
LZ在顶楼说是通过buildpath引入b.jar的，直接拷贝b.jar到WEB-INF/lib目录试试看吗？



myeclipse 和 eclipse 还是有区别的哈。 myeclipse 它能识别的东西，eclipse 不一定能识别，这点我也可以肯定。




希望对你有帮助
希望对你有帮助 2011-02-18
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myeclipse 和 eclipse 还是有区别的哈。 myeclipse 它能识别的东西，eclipse 不一定能识别，这点我也可以肯定。




希望对你有帮助
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Auto-configured Spring REST Docs Tests Auto-configured Spring REST Docs Tests with Mock MVC Auto-configured Spring REST Docs Tests with REST Assured 43.3.20. User Configuration and Slicing 43.3.21. Using Spock to Test Spring Boot Applications 43.4. Test Utilities 43.4.1. ConfigFileApplicationContextInitializer 43.4.2. TestPropertyValues 43.4.3. OutputCapture 43.4.4. TestRestTemplate 44. WebSockets 45. Web Services 46. Creating Your Own Auto-configuration 46.1. Understanding Auto-configured Beans 46.2. Locating Auto-configuration Candidates 46.3. Condition Annotations 46.3.1. Class Conditions 46.3.2. Bean Conditions 46.3.3. Property Conditions 46.3.4. Resource Conditions 46.3.5. Web Application Conditions 46.3.6. SpEL Expression Conditions 46.4. Testing your Auto-configuration 46.4.1. Simulating a Web Context 46.4.2. Overriding the Classpath 46.5. Creating Your Own Starter 46.5.1. Naming 46.5.2. autoconfigure Module 46.5.3. Starter Module 47. Kotlin support 47.1. Requirements 47.2. Null-safety 47.3. Kotlin API 47.3.1. runApplication 47.3.2. Extensions 47.4. Dependency management 47.5. @ConfigurationProperties 47.6. Testing 47.7. Resources 47.7.1. Further reading 47.7.2. Examples 48. What to Read Next V. Spring Boot Actuator: Production-ready features 49. Enabling Production-ready Features 50. Endpoints 50.1. Enabling Endpoints 50.2. Exposing Endpoints 50.3. Securing HTTP Endpoints 50.4. Configuring Endpoints 50.5. Hypermedia for Actuator Web Endpoints 50.6. Actuator Web Endpoint Paths 50.7. CORS Support 50.8. Implementing Custom Endpoints 50.8.1. Receiving Input Input type conversion 50.8.2. Custom Web Endpoints Web Endpoint Request Predicates Path HTTP method Consumes Produces Web Endpoint Response Status Web Endpoint Range Requests Web Endpoint Security 50.8.3. Servlet endpoints 50.8.4. Controller endpoints 50.9. Health Information 50.9.1. Auto-configured HealthIndicators 50.9.2. Writing Custom HealthIndicators 50.9.3. Reactive Health Indicators 50.9.4. Auto-configured ReactiveHealthIndicators 50.10. Application Information 50.10.1. Auto-configured InfoContributors 50.10.2. Custom Application Information 50.10.3. Git Commit Information 50.10.4. Build Information 50.10.5. Writing Custom InfoContributors 51. Monitoring and Management over HTTP 51.1. Customizing the Management Endpoint Paths 51.2. Customizing the Management Server Port 51.3. Configuring Management-specific SSL 51.4. Customizing the Management Server Address 51.5. Disabling HTTP Endpoints 52. Monitoring and Management over JMX 52.1. Customizing MBean Names 52.2. Disabling JMX Endpoints 52.3. Using Jolokia for JMX over HTTP 52.3.1. Customizing Jolokia 52.3.2. Disabling Jolokia 53. Loggers 53.1. Configure a Logger 54. Metrics 54.1. Getting started 54.2. Supported monitoring systems 54.2.1. Atlas 54.2.2. Datadog 54.2.3. Ganglia 54.2.4. Graphite 54.2.5. Influx 54.2.6. JMX 54.2.7. New Relic 54.2.8. Prometheus 54.2.9. SignalFx 54.2.10. Simple 54.2.11. StatsD 54.2.12. Wavefront 54.3. Supported Metrics 54.3.1. Spring MVC Metrics 54.3.2. Spring WebFlux Metrics 54.3.3. RestTemplate Metrics 54.3.4. Cache Metrics 54.3.5. DataSource Metrics 54.3.6. RabbitMQ Metrics 54.4. Registering custom metrics 54.5. Customizing individual metrics 54.5.1. Per-meter properties 54.6. Metrics endpoint 55. Auditing 56. HTTP Tracing 56.1. Custom HTTP tracing 57. Process Monitoring 57.1. Extending Configuration 57.2. Programmatically 58. Cloud Foundry Support 58.1. Disabling Extended Cloud Foundry Actuator Support 58.2. Cloud Foundry Self-signed Certificates 58.3. Custom context path 59. What to Read Next VI. Deploying Spring Boot Applications 60. Deploying to the Cloud 60.1. Cloud Foundry 60.1.1. Binding to Services 60.2. Heroku 60.3. OpenShift 60.4. Amazon Web Services (AWS) 60.4.1. AWS Elastic Beanstalk Using the Tomcat Platform Using the Java SE Platform 60.4.2. Summary 60.5. Boxfuse and Amazon Web Services 60.6. Google Cloud 61. Installing Spring Boot Applications 61.1. Supported Operating Systems 61.2. Unix/Linux Services 61.2.1. Installation as an init.d Service (System V) Securing an init.d Service 61.2.2. Installation as a systemd Service 61.2.3. Customizing the Startup Script Customizing the Start Script when It Is Written Customizing a Script When It Runs 61.3. Microsoft Windows Services 62. What to Read Next VII. Spring Boot CLI 63. Installing the CLI 64. Using the CLI 64.1. Running Applications with the CLI 64.1.1. Deduced “grab” Dependencies 64.1.2. Deduced “grab” Coordinates 64.1.3. Default Import Statements 64.1.4. Automatic Main Method 64.1.5. Custom Dependency Management 64.2. Applications with Multiple Source Files 64.3. Packaging Your Application 64.4. Initialize a New Project 64.5. Using the Embedded Shell 64.6. Adding Extensions to the CLI 65. Developing Applications with the Groovy Beans DSL 66. Configuring the CLI with settings.xml 67. What to Read Next VIII. Build tool plugins 68. Spring Boot Maven Plugin 68.1. Including the Plugin 68.2. Packaging Executable Jar and War Files 69. Spring Boot Gradle Plugin 70. Spring Boot AntLib Module 70.1. Spring Boot Ant Tasks 70.1.1. spring-boot:exejar 70.1.2. Examples 70.2. spring-boot:findmainclass 70.2.1. Examples 71. Supporting Other Build Systems 71.1. Repackaging Archives 71.2. Nested Libraries 71.3. Finding a Main Class 71.4. Example Repackage Implementation 72. What to Read Next IX. ‘How-to’ guides 73. Spring Boot Application 73.1. Create Your Own FailureAnalyzer 73.2. Troubleshoot Auto-configuration 73.3. Customize the Environment or ApplicationContext Before It Starts 73.4. Build an ApplicationContext Hierarchy (Adding a Parent or Root Context) 73.5. Create a Non-web Application 74. Properties and Configuration 74.1. Automatically Expand Properties at Build Time 74.1.1. Automatic Property Expansion Using Maven 74.1.2. Automatic Property Expansion Using Gradle 74.2. Externalize the Configuration of SpringApplication 74.3. Change the Location of External Properties of an Application 74.4. Use ‘Short’ Command Line Arguments 74.5. Use YAML for External Properties 74.6. Set the Active Spring Profiles 74.7. Change Configuration Depending on the Environment 74.8. Discover Built-in Options for External Properties 75. Embedded Web Servers 75.1. Use Another Web Server 75.2. Disabling the Web Server 75.3. Configure Jetty 75.4. Add a Servlet, Filter, or Listener to an Application 75.4.1. Add a Servlet, Filter, or Listener by Using a Spring Bean Disable Registration of a Servlet or Filter 75.4.2. Add Servlets, Filters, and Listeners by Using Classpath Scanning 75.5. Change the HTTP Port 75.6. Use a Random Unassigned HTTP Port 75.7. Discover the HTTP Port at Runtime 75.8. Configure SSL 75.9. Configure HTTP/2 75.9.1. HTTP/2 with Undertow 75.9.2. HTTP/2 with Jetty 75.9.3. HTTP/2 with Tomcat 75.10. Configure Access Logging 75.11. Running Behind a Front-end Proxy Server 75.11.1. Customize Tomcat’s Proxy Configuration 75.12. Configure Tomcat 75.13. Enable Multiple Connectors with Tomcat 75.14. Use Tomcat’s LegacyCookieProcessor 75.15. Configure Undertow 75.16. Enable Multiple Listeners with Undertow 75.17. Create WebSocket Endpoints Using @ServerEndpoint 75.18. Enable HTTP Response Compression 76. Spring MVC 76.1. Write a JSON REST Service 76.2. Write an XML REST Service 76.3. Customize the Jackson ObjectMapper 76.4. Customize the @ResponseBody Rendering 76.5. Handling Multipart File Uploads 76.6. Switch Off the Spring MVC DispatcherServlet 76.7. Switch off the Default MVC Configuration 76.8. Customize ViewResolvers 77. HTTP Clients 77.1. Configure RestTemplate to Use a Proxy 78. Logging 78.1. Configure Logback for Logging 78.1.1. Configure Logback for File-only Output 78.2. Configure Log4j for Logging 78.2.1. Use YAML or JSON to Configure Log4j 2 79. Data Access 79.1. Configure a Custom DataSource 79.2. Configure Two DataSources 79.3. Use Spring Data Repositories 79.4. Separate @Entity Definitions from Spring Configuration 79.5. Configure JPA Properties 79.6. Configure Hibernate Naming Strategy 79.7. Use a Custom EntityManagerFactory 79.8. Use Two EntityManagers 79.9. Use a Traditional persistence.xml File 79.10. Use Spring Data JPA and Mongo Repositories 79.11. Expose Spring Data Repositories as REST Endpoint 79.12. Configure a Component that is Used by JPA 79.13. Configure jOOQ with Two DataSources 80. Database Initialization 80.1. Initialize a Database Using JPA 80.2. Initialize a Database Using Hibernate 80.3. Initialize a Database 80.4. Initialize a Spring Batch Database 80.5. Use a Higher-level Database Migration Tool 80.5.1. Execute Flyway Database Migrations on Startup 80.5.2. Execute Liquibase Database Migrations on Startup 81. Messaging 81.1. Disable Transacted JMS Session 82. Batch Applications 82.1. Execute Spring Batch Jobs on Startup 83. Actuator 83.1. Change the HTTP Port or Address of the Actuator Endpoints 83.2. Customize the ‘whitelabel’ Error Page 84. Security 84.1. Switch off the Spring Boot Security Configuration 84.2. Change the UserDetailsService and Add User Accounts 84.3. Enable HTTPS When Running behind a Proxy Server 85. Hot Swapping 85.1. Reload Static Content 85.2. Reload Templates without Restarting the Container 85.2.1. Thymeleaf Templates 85.2.2. FreeMarker Templates 85.2.3. Groovy Templates 85.3. Fast Application Restarts 85.4. Reload Java Classes without Restarting the Container 86. Build 86.1. Generate Build Information 86.2. Generate Git Information 86.3. Customize Dependency Versions 86.4. Create an Executable JAR with Maven 86.5. Use a Spring Boot Application as a Dependency 86.6. Extract Specific Libraries When an Executable Jar Runs 86.7. Create a Non-executable JAR with Exclusions 86.8. Remote Debug a Spring Boot Application Started with Maven 86.9. Build an Executable Archive from Ant without Using spring-boot-antlib 87. Traditional Deployment 87.1. Create a Deployable War File 87.2. Convert an Existing Application to Spring Boot 87.3. Deploying a WAR to WebLogic 87.4. Use Jedis Instead of Lettuce X. Appendices A. Common application properties B. Configuration Metadata B.1. Metadata Format B.1.1. Group Attributes B.1.2. Property Attributes B.1.3. Hint Attributes B.1.4. Repeated Metadata Items B.2. Providing Manual Hints B.2.1. Value Hint B.2.2. Value Providers Any Class Reference Handle As Logger Name Spring Bean Reference Spring Profile Name B.3. Generating Your Own Metadata by Using the Annotation Processor B.3.1. Nested Properties B.3.2. Adding Additional Metadata C. Auto-configuration classes C.1. From the “spring-boot-autoconfigure” module C.2. From the “spring-boot-actuator-autoconfigure” module D. Test auto-configuration annotations E. The Executable Jar Format E.1. Nested JARs E.1.1. The Executable Jar File Structure E.1.2. The Executable War File Structure E.2. Spring Boot’s “JarFile” Class E.2.1. Compatibility with the Standard Java “JarFile” E.3. Launching Executable Jars E.3.1. Launcher Manifest E.3.2. Exploded Archives E.4. PropertiesLauncher Features E.5. Executable Jar Restrictions E.6. Alternative Single Jar Solutions F. Dependency versions
Tomcat运行 报错：Error configuring application listener of class org.springframework.web.cont
错误信息： 严重: Error configuring application listener of class org.springframework.web.context.ContextLoaderListener java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener...
tomcat启动报错:Error configuring application listener of class org.springframework.web.context.ContextLo
tomcat启动报错：Error configuring application listener of class org.springframework.web.context.ContextLoaderListener直接原因：因为tomcat - webapps - 项目，里面缺少了初始化需要的class文件。可能导致的原因：可能是因为在IDE里面clean了项目，而又没有及时的在target中编译出新文件，此时就publish到tomcat了。解决流程：...
Tomcat 启动报错：Error configuring application listener of class ....
问题描述： 严重：Error configuring application listener of class org.gensis0.ucdf.service.InitStartTimer 解决方法： 一、右键项目，选择 build path 二、找到错误的部分，双击、重新配置 问题解决 ...
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