C:\apache-tomcat-8.0.36\bin\catalina.bat run [2018-05-23 02:30:31,657] Artifact demo-springmvc:war exploded: Waiting for server connection to start artifact deployment... Using CATALINA_BASE: "C:\Users\TQ\.IntelliJIdea2017.2\system\tomcat\Unnamed_demo-springmvc" Using CATALINA_HOME: "C:\apache-tomcat-8.0.36" Using CATALINA_TMPDIR: "C:\apache-tomcat-8.0.36\temp" Using JRE_HOME: "C:\Program Files\Java\jdk1.8.0_25" Using CLASSPATH: "C:\apache-tomcat-8.0.36\bin\bootstrap.jar;C:\apache-tomcat-8.0.36\bin\tomcat-juli.jar" 23-May-2018 14:30:32.688 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server version: Apache Tomcat/8.0.36 23-May-2018 14:30:32.689 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server built: Jun 9 2016 13:55:50 UTC 23-May-2018 14:30:32.690 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server number: 8.0.36.0 23-May-2018 14:30:32.690 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name: Windows 8.1 23-May-2018 14:30:32.690 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Version: 6.3 23-May-2018 14:30:32.690 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Architecture: amd64 23-May-2018 14:30:32.690 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Java Home: C:\Program Files\Java\jdk1.8.0_25\jre 23-May-2018 14:30:32.690 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Version: 1.8.0_25-b18 23-May-2018 14:30:32.690 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor: Oracle Corporation 23-May-2018 14:30:32.690 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: C:\Users\TQ\.IntelliJIdea2017.2\system\tomcat\Unnamed_demo-springmvc 23-May-2018 14:30:32.690 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: C:\apache-tomcat-8.0.36 23-May-2018 14:30:32.691 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote= 23-May-2018 14:30:32.691 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.port=1099 23-May-2018 14:30:32.691 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.ssl=false 23-May-2018 14:30:32.691 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.authenticate=false 23-May-2018 14:30:32.692 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.rmi.server.hostname=127.0.0.1 23-May-2018 14:30:32.692 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djdk.tls.ephemeralDHKeySize=2048 23-May-2018 14:30:32.693 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=C:\Users\TQ\.IntelliJIdea2017.2\system\tomcat\Unnamed_demo-springmvc\conf\logging.properties 23-May-2018 14:30:32.693 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager 23-May-2018 14:30:32.693 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.endorsed.dirs=C:\apache-tomcat-8.0.36\endorsed 23-May-2018 14:30:32.693 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=C:\Users\TQ\.IntelliJIdea2017.2\system\tomcat\Unnamed_demo-springmvc 23-May-2018 14:30:32.693 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=C:\apache-tomcat-8.0.36 23-May-2018 14:30:32.693 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=C:\apache-tomcat-8.0.36\temp 23-May-2018 14:30:32.693 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent Loaded APR based Apache Tomcat Native library 1.2.7 using APR version 1.5.2. 23-May-2018 14:30:32.693 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true]. 23-May-2018 14:30:33.477 INFO [main] org.apache.catalina.core.AprLifecycleListener.initializeSSL OpenSSL successfully initialized (OpenSSL 1.0.2h 3 May 2016) 23-May-2018 14:30:33.610 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-apr-8080"] 23-May-2018 14:30:33.622 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["ajp-apr-8009"] 23-May-2018 14:30:33.623 INFO [main] org.apache.catalina.startup.Catalina.load Initialization processed in 1325 ms 23-May-2018 14:30:33.662 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service Catalina 23-May-2018 14:30:33.662 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet Engine: Apache Tomcat/8.0.36 23-May-2018 14:30:33.688 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-apr-8080"] 23-May-2018 14:30:33.709 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["ajp-apr-8009"] 23-May-2018 14:30:33.711 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in 88 ms Connected to server [2018-05-23 02:30:33,743] Artifact demo-springmvc:war exploded: Artifact is being deployed, please wait... 23-May-2018 14:30:35.178 INFO [RMI TCP Connection(3)-127.0.0.1] org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. 23-May-2018 14:30:35.246 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.context.ContextLoader.initWebApplicationContext Root WebApplicationContext: initialization started 23-May-2018 14:30:35.336 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.context.support.XmlWebApplicationContext.prepareRefresh Refreshing Root WebApplicationContext: startup date [Wed May 23 14:30:35 CST 2018]; root of context hierarchy 23-May-2018 14:30:35.425 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from ServletContext resource [/WEB-INF/applicationContext.xml] 23-May-2018 14:30:35.589 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.context.ContextLoader.initWebApplicationContext Root WebApplicationContext: initialization completed in 343 ms 23-May-2018 14:30:35.723 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.servlet.DispatcherServlet.initServletBean FrameworkServlet 'dispatcher': initialization started 23-May-2018 14:30:35.729 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.context.support.XmlWebApplicationContext.prepareRefresh Refreshing WebApplicationContext for namespace 'dispatcher-servlet': startup date [Wed May 23 14:30:35 CST 2018]; parent: Root WebApplicationContext 23-May-2018 14:30:35.730 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from ServletContext resource [/WEB-INF/dispatcher-servlet2.xml] 23-May-2018 14:30:36.548 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.register Mapped "{[/user/get],methods=[GET],produces=[text/plain;charset=utf-8]}" onto public java.lang.String com.example.demo.controller.UserController.get(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) 23-May-2018 14:30:36.664 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.initControllerAdviceCache Looking for @ControllerAdvice: WebApplicationContext for namespace 'dispatcher-servlet': startup date [Wed May 23 14:30:35 CST 2018]; parent: Root WebApplicationContext 23-May-2018 14:30:36.735 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.initControllerAdviceCache Looking for @ControllerAdvice: WebApplicationContext for namespace 'dispatcher-servlet': startup date [Wed May 23 14:30:35 CST 2018]; parent: Root WebApplicationContext 23-May-2018 14:30:36.947 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.servlet.DispatcherServlet.initServletBean FrameworkServlet 'dispatcher': initialization completed in 1224 ms [2018-05-23 02:30:36,975] Artifact demo-springmvc:war exploded: Artifact is deployed successfully [2018-05-23 02:30:36,975] Artifact demo-springmvc:war exploded: Deploy took 3,232 milliseconds
截取spring部分日志
1 23-May-2018 14:30:35.178 INFO [RMI TCP Connection(3)-127.0.0.1] org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. 2 23-May-2018 14:30:35.246 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.context.ContextLoader.initWebApplicationContext Root WebApplicationContext: initialization started 3 23-May-2018 14:30:35.336 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.context.support.XmlWebApplicationContext.prepareRefresh Refreshing Root WebApplicationContext: startup date [Wed May 23 14:30:35 CST 2018]; root of context hierarchy 4 23-May-2018 14:30:35.425 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from ServletContext resource [/WEB-INF/applicationContext.xml] 5 23-May-2018 14:30:35.589 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.context.ContextLoader.initWebApplicationContext Root WebApplicationContext: initialization completed in 343 ms 6 23-May-2018 14:30:35.723 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.servlet.DispatcherServlet.initServletBean FrameworkServlet 'dispatcher': initialization started 7 23-May-2018 14:30:35.729 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.context.support.XmlWebApplicationContext.prepareRefresh Refreshing WebApplicationContext for namespace 'dispatcher-servlet': startup date [Wed May 23 14:30:35 CST 2018]; parent: Root WebApplicationContext 8 23-May-2018 14:30:35.730 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from ServletContext resource [/WEB-INF/dispatcher-servlet2.xml] 9 23-May-2018 14:30:36.548 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.register Mapped "{[/user/get],methods=[GET],produces=[text/plain;charset=utf-8]}" onto public java.lang.String com.example.demo.controller.UserController.get(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) 10 23-May-2018 14:30:36.664 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.initControllerAdviceCache Looking for @ControllerAdvice: WebApplicationContext for namespace 'dispatcher-servlet': startup date [Wed May 23 14:30:35 CST 2018]; parent: Root WebApplicationContext 11 23-May-2018 14:30:36.735 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.initControllerAdviceCache Looking for @ControllerAdvice: WebApplicationContext for namespace 'dispatcher-servlet': startup date [Wed May 23 14:30:35 CST 2018]; parent: Root WebApplicationContext 12 23-May-2018 14:30:36.947 INFO [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.servlet.DispatcherServlet.initServletBean FrameworkServlet 'dispatcher': initialization completed in 1224 ms
从第2行开始到第12行为spring启动阶段log打出的所有info日志
定位其源码位置
public WebApplicationContext initWebApplicationContext(ServletContext servletContext) { if (servletContext.getAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE) != null) { throw new IllegalStateException( "Cannot initialize context because there is already a root application context present - " + "check whether you have multiple ContextLoader* definitions in your web.xml!"); } Log logger = LogFactory.getLog(ContextLoader.class); servletContext.log("Initializing Spring root WebApplicationContext"); if (logger.isInfoEnabled()) { logger.info("Root WebApplicationContext: initialization started");// 日志第2行 } long startTime = System.currentTimeMillis(); try { // Store context in local instance variable, to guarantee that // it is available on ServletContext shutdown. if (this.context == null) { this.context = createWebApplicationContext(servletContext); } if (this.context instanceof ConfigurableWebApplicationContext) { ConfigurableWebApplicationContext cwac = (ConfigurableWebApplicationContext) this.context; if (!cwac.isActive()) { // The context has not yet been refreshed -> provide services such as // setting the parent context, setting the application context id, etc if (cwac.getParent() == null) { // The context instance was injected without an explicit parent -> // determine parent for root web application context, if any. ApplicationContext parent = loadParentContext(servletContext); cwac.setParent(parent); } configureAndRefreshWebApplicationContext(cwac, servletContext); } } servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, this.context); ClassLoader ccl = Thread.currentThread().getContextClassLoader(); if (ccl == ContextLoader.class.getClassLoader()) { currentContext = this.context; } else if (ccl != null) { currentContextPerThread.put(ccl, this.context); } if (logger.isDebugEnabled()) { logger.debug("Published root WebApplicationContext as ServletContext attribute with name [" + WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE + "]"); } if (logger.isInfoEnabled()) { long elapsedTime = System.currentTimeMillis() - startTime; logger.info("Root WebApplicationContext: initialization completed in " + elapsedTime + " ms");// 日志第5行 } return this.context; } catch (RuntimeException ex) { logger.error("Context initialization failed", ex); servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, ex); throw ex; } catch (Error err) { logger.error("Context initialization failed", err); servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, err); throw err; } }
protected void configureAndRefreshWebApplicationContext(ConfigurableWebApplicationContext wac, ServletContext sc) {
if (ObjectUtils.identityToString(wac).equals(wac.getId())) {
// The application context id is still set to its original default value
// -> assign a more useful id based on available information
String idParam = sc.getInitParameter(CONTEXT_ID_PARAM);
if (idParam != null) {
wac.setId(idParam);
}
else {
// Generate default id...
wac.setId(ConfigurableWebApplicationContext.APPLICATION_CONTEXT_ID_PREFIX +
ObjectUtils.getDisplayString(sc.getContextPath()));
}
}
wac.setServletContext(sc);
String configLocationParam = sc.getInitParameter(CONFIG_LOCATION_PARAM);
if (configLocationParam != null) {
wac.setConfigLocation(configLocationParam);
}
// The wac environment's #initPropertySources will be called in any case when the context
// is refreshed; do it eagerly here to ensure servlet property sources are in place for
// use in any post-processing or initialization that occurs below prior to #refresh
ConfigurableEnvironment env = wac.getEnvironment();
if (env instanceof ConfigurableWebEnvironment) {
((ConfigurableWebEnvironment) env).initPropertySources(sc, null);
}
customizeContext(sc, wac);
wac.refresh();
}
@Override public void refresh() throws BeansException, IllegalStateException { synchronized (this.startupShutdownMonitor) { // Prepare this context for refreshing. prepareRefresh(); // Tell the subclass to refresh the internal bean factory. ConfigurableListableBeanFactory beanFactory = obtainFreshBeanFactory(); // Prepare the bean factory for use in this context. prepareBeanFactory(beanFactory); try { // Allows post-processing of the bean factory in context subclasses. postProcessBeanFactory(beanFactory); // Invoke factory processors registered as beans in the context. invokeBeanFactoryPostProcessors(beanFactory); // Register bean processors that intercept bean creation. registerBeanPostProcessors(beanFactory); // Initialize message source for this context. initMessageSource(); // Initialize event multicaster for this context. initApplicationEventMulticaster(); // Initialize other special beans in specific context subclasses. onRefresh(); // Check for listener beans and register them. registerListeners(); // Instantiate all remaining (non-lazy-init) singletons. finishBeanFactoryInitialization(beanFactory); // Last step: publish corresponding event. finishRefresh(); } catch (BeansException ex) { if (logger.isWarnEnabled()) { logger.warn("Exception encountered during context initialization - " + "cancelling refresh attempt: " + ex); } // Destroy already created singletons to avoid dangling resources. destroyBeans(); // Reset 'active' flag. cancelRefresh(ex); // Propagate exception to caller. throw ex; } finally { // Reset common introspection caches in Spring's core, since we // might not ever need metadata for singleton beans anymore... resetCommonCaches(); } } } /** * Prepare this context for refreshing, setting its startup date and * active flag as well as performing any initialization of property sources. */ protected void prepareRefresh() { this.startupDate = System.currentTimeMillis(); this.closed.set(false); this.active.set(true); if (logger.isInfoEnabled()) { logger.info("Refreshing " + this);// 日志第3行 } // Initialize any placeholder property sources in the context environment initPropertySources(); // Validate that all properties marked as required are resolvable // see ConfigurablePropertyResolver#setRequiredProperties getEnvironment().validateRequiredProperties(); // Allow for the collection of early ApplicationEvents, // to be published once the multicaster is available... this.earlyApplicationEvents = new LinkedHashSet<ApplicationEvent>(); }
/** * Load bean definitions from the specified XML file. * @param encodedResource the resource descriptor for the XML file, * allowing to specify an encoding to use for parsing the file * @return the number of bean definitions found * @throws BeanDefinitionStoreException in case of loading or parsing errors */ public int loadBeanDefinitions(EncodedResource encodedResource) throws BeanDefinitionStoreException { Assert.notNull(encodedResource, "EncodedResource must not be null"); if (logger.isInfoEnabled()) { logger.info("Loading XML bean definitions from " + encodedResource.getResource());// 日志第4行 } Set<EncodedResource> currentResources = this.resourcesCurrentlyBeingLoaded.get(); if (currentResources == null) { currentResources = new HashSet<EncodedResource>(4); this.resourcesCurrentlyBeingLoaded.set(currentResources); } if (!currentResources.add(encodedResource)) { throw new BeanDefinitionStoreException( "Detected cyclic loading of " + encodedResource + " - check your import definitions!"); } try { InputStream inputStream = encodedResource.getResource().getInputStream(); try { InputSource inputSource = new InputSource(inputStream); if (encodedResource.getEncoding() != null) { inputSource.setEncoding(encodedResource.getEncoding()); } return doLoadBeanDefinitions(inputSource, encodedResource.getResource()); } finally { inputStream.close(); } } catch (IOException ex) { throw new BeanDefinitionStoreException( "IOException parsing XML document from " + encodedResource.getResource(), ex); } finally { currentResources.remove(encodedResource); if (currentResources.isEmpty()) { this.resourcesCurrentlyBeingLoaded.remove(); } } }
从日志反分析spring web的启动过程
之后是loadBean
ps：idea返回至上次浏览的位置快捷键Ctrl+Shift+Left/Right
本文版权归作者和博客园共有，来源网址：http://www.cnblogs.com/tq1226112215/
欢迎各位转载，但是未经作者本人同意，转载文章之后必须在文章页面明显位置给出作者和原文连接，否则保留追究法律责任的权利。
欢迎各位转载，但是未经作者本人同意，转载文章之后必须在文章页面明显位置给出作者和原文连接，否则保留追究法律责任的权利。
