一下是我启动时控制台报的错误： 信息: Server startup in 115 ms Connected to server [2017-03-19 12:28:48,122] Artifact RobotMonitoringSystem:war exploded: Artifact is being deployed, please wait... 三月 19, 2017 12:28:50 上午 org.apache.catalina.startup.TldConfig execute 信息: 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. 三月 19, 2017 12:28:51 上午 org.apache.catalina.core.StandardContext startInternal 严重: One or more listeners failed to start. Full details will be found in the appropriate container log file 三月 19, 2017 12:28:51 上午 org.apache.catalina.core.StandardContext startInternal 严重: Context [/RobotMonitoringSystem] startup failed due to previous errors contex 1111 [2017-03-19 12:28:51,148] Artifact RobotMonitoringSystem:war exploded: Error during artifact deployment. See server log for details. Exception in thread "CometConnectorCleaner Thread" java.lang.NullPointerException at org.comet4j.core.CometConnector$CacheCleaner.checkExpires(CometConnector.java:120) at org.comet4j.core.CometConnector$CacheCleaner.run(CometConnector.java:113) at java.lang.Thread.run(Thread.java:745) 三月 19, 2017 12:28:57 上午 org.apache.catalina.startup.HostConfig deployDirectory 信息: Deploying web application directory D:\Tomcat\apache-tomcat-7.0.70\webapps\manager 三月 19, 2017 12:28:58 上午 org.apache.catalina.startup.HostConfig deployDirectory 信息: Deployment of web application directory D:\Tomcat\apache-tomcat-7.0.70\webapps\manager has finished in 472 ms tomcat localhost log中的信息： 三月 19, 2017 12:28:51 上午 org.apache.catalina.core.ApplicationContext log 信息: Initializing Spring root WebApplicationContext 三月 19, 2017 12:28:51 上午 org.apache.catalina.core.StandardContext listenerStart 严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener java.lang.NoSuchMethodError: org.slf4j.spi.LocationAwareLogger.log(Lorg/slf4j/Marker;Ljava/lang/String;ILjava/lang/String;Ljava/lang/Throwable;)V

public class UserDaoImple { public boolean addUser(User user){ System.out.print("没有输出"); try { Class.forName("com.mysql.jdbc.Driver"); String sql="insert into user values(?,?,?,?,?,?)"; String url="jdbc:mysql://localhost:3306/clothing_samplehh?useSSL=true"; Connection connection = DriverManager.getConnection(url,"root","root"); PreparedStatement ps=connection.prepareStatement(sql); ps.setString(1,user.getUserId()); ps.setString(2,user.getUserName()); ps.setString(3,user.getUserTel()); ps.setString(4,user.getUserEmail()); ps.setString(5,user.getUserPassword()); ps.setString(6,user.getUserRegisterDate()); connection.close(); ps.close(); } catch (ClassNotFoundException | SQLException e) { e.printStackTrace(); } System.out.print("还是没有输出"); return true; } } 后台输出内容： "C:\Program Files\JetBrains\IntelliJ IDEA 2017.3.1\apache-tomcat-8.5.24\bin\catalina.bat" run [2018-09-15 12:35:51,994] Artifact Q7:war exploded: Waiting for server connection to start artifact deployment... Using CATALINA_BASE: "C:\Users\Administrator\.IntelliJIdea2017.3\system\tomcat\未命名_Q7" Using CATALINA_HOME: "C:\Program Files\JetBrains\IntelliJ IDEA 2017.3.1\apache-tomcat-8.5.24" Using CATALINA_TMPDIR: "C:\Program Files\JetBrains\IntelliJ IDEA 2017.3.1\apache-tomcat-8.5.24\temp" Using JRE_HOME: "C:\Program Files\jdk\jdk1.8\jdk1.8.0_151" Using CLASSPATH: "C:\Program Files\JetBrains\IntelliJ IDEA 2017.3.1\apache-tomcat-8.5.24\bin\bootstrap.jar;C:\Program Files\JetBrains\IntelliJ IDEA 2017.3.1\apache-tomcat-8.5.24\bin\tomcat-juli.jar" 15-Sep-2018 12:35:53.136 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server version: Apache Tomcat/8.5.24 15-Sep-2018 12:35:53.138 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server built: Nov 27 2017 13:05:30 UTC 15-Sep-2018 12:35:53.138 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server number: 8.5.24.0 15-Sep-2018 12:35:53.138 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name: Windows 7 15-Sep-2018 12:35:53.138 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log OS Version: 6.1 15-Sep-2018 12:35:53.139 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Architecture: amd64 15-Sep-2018 12:35:53.139 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Java Home: C:\Program Files\jdk\jdk1.8\jdk1.8.0_151\jre 15-Sep-2018 12:35:53.139 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Version: 1.8.0_151-b12 15-Sep-2018 12:35:53.139 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor: Oracle Corporation 15-Sep-2018 12:35:53.139 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: C:\Users\Administrator\.IntelliJIdea2017.3\system\tomcat\未命名_Q7 15-Sep-2018 12:35:53.139 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: C:\Program Files\JetBrains\IntelliJ IDEA 2017.3.1\apache-tomcat-8.5.24 15-Sep-2018 12:35:53.140 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=C:\Users\Administrator\.IntelliJIdea2017.3\system\tomcat\未命名_Q7\conf\logging.properties 15-Sep-2018 12:35:53.140 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager 15-Sep-2018 12:35:53.140 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote= 15-Sep-2018 12:35:53.140 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.port=1099 15-Sep-2018 12:35:53.140 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.ssl=false 15-Sep-2018 12:35:53.140 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.authenticate=false 15-Sep-2018 12:35:53.140 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.rmi.server.hostname=127.0.0.1 15-Sep-2018 12:35:53.140 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djdk.tls.ephemeralDHKeySize=2048 15-Sep-2018 12:35:53.140 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.protocol.handler.pkgs=org.apache.catalina.webresources 15-Sep-2018 12:35:53.140 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dignore.endorsed.dirs= 15-Sep-2018 12:35:53.141 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=C:\Users\Administrator\.IntelliJIdea2017.3\system\tomcat\未命名_Q7 15-Sep-2018 12:35:53.141 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=C:\Program Files\JetBrains\IntelliJ IDEA 2017.3.1\apache-tomcat-8.5.24 15-Sep-2018 12:35:53.141 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=C:\Program Files\JetBrains\IntelliJ IDEA 2017.3.1\apache-tomcat-8.5.24\temp 15-Sep-2018 12:35:53.141 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent Loaded APR based Apache Tomcat Native library [1.2.16] using APR version [1.6.3]. 15-Sep-2018 12:35:53.141 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true]. 15-Sep-2018 12:35:53.142 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR/OpenSSL configuration: useAprConnector [false], useOpenSSL [true] 15-Sep-2018 12:35:54.156 信息 [main] org.apache.catalina.core.AprLifecycleListener.initializeSSL OpenSSL successfully initialized [OpenSSL 1.0.2m 2 Nov 2017] 15-Sep-2018 12:35:54.317 信息 [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-8080"] 15-Sep-2018 12:35:54.339 信息 [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read 15-Sep-2018 12:35:54.348 信息 [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["ajp-nio-8009"] 15-Sep-2018 12:35:54.348 信息 [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read 15-Sep-2018 12:35:54.348 信息 [main] org.apache.catalina.startup.Catalina.load Initialization processed in 1674 ms 15-Sep-2018 12:35:54.395 信息 [main] org.apache.catalina.core.StandardService.startInternal Starting service [Catalina] 15-Sep-2018 12:35:54.395 信息 [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet Engine: Apache Tomcat/8.5.24 15-Sep-2018 12:35:54.469 信息 [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-8080"] 15-Sep-2018 12:35:54.479 信息 [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["ajp-nio-8009"] 15-Sep-2018 12:35:54.482 信息 [main] org.apache.catalina.startup.Catalina.start Server startup in 127 ms Connected to server [2018-09-15 12:35:54,678] Artifact Q7:war exploded: Artifact is being deployed, please wait... 15-Sep-2018 12:35:55.306 信息 [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. [2018-09-15 12:35:55,361] Artifact Q7:war exploded: Artifact is deployed successfully [2018-09-15 12:35:55,362] Artifact Q7:war exploded: Deploy took 683 milliseconds 15-Sep-2018 12:36:04.470 信息 [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [C:\Program Files\JetBrains\IntelliJ IDEA 2017.3.1\apache-tomcat-8.5.24\webapps\manager] 15-Sep-2018 12:36:04.544 信息 [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [C:\Program Files\JetBrains\IntelliJ IDEA 2017.3.1\apache-tomcat-8.5.24\webapps\manager] has finished in [74] ms

一、创建一个工程 话说连Idea都没用过，只有从Google开始。幸好找到一个页面 http://wiki.jetbrains.net/intellij/Main_Page 。虽说里面列Application servers的没有Jetty，只有GlassFish、JBoss和Tomcat，但是也不能太白痴了，用Creating a simple Web application an

Timer和TimerTask Timer是jdk中提供的一个定时器工具，使用的时候会在主线程之外起一个单独的线程执行指定的计划任务，可以指定执行一次或者反复执行多次。 TimerTask是一个实现了Runnable接口的抽象类，代表一个可以被Timer执行的任务。 Timer的调度 import java.util.Timer; import java.util.TimerTask; public class TestTimer { public static void main(St

** 第一次用Idea跑东西，Tomcat 鄙人是小白，大道理懂得不多，以下方式希望可以帮助到大家，不足之处还望轻喷 直接干货 ** 报错如下： [2019-03-15 02:08:17,747] Artifact ssm_pro: Artifact is being deployed, please wait… [2019-03-15 02:08:18,164] Artifact ssm_pro...

1.遇到一个报错，tomcat项目前面都运行好好的，突然就出现无法启动的报错。 Errors： Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[]] Caused by: java.lang.NoClassDefFoundError Caused by: java...

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Connected to server [2020-04-20 09:00:06,811] Artifact AtmByServlet:war exploded: Artifact is being deployed, please wait... 20-Apr-2020 09:00:07.019 严重 [RMI TCP Connection(3)-127.0.0.1] org.apache.to...

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  今天用IntelliJ Idea创建一个简单的web项目， 并且explored到tomcat中，用tomcat启动，貌似成功启动，当访问主页的时候报404错误，很是奇怪。  回过头仔细检查了下启动日志， 发现一直没有成功部署的日志：[2018-03-03 10:35:34,211] Artifact firstweb:war exploded: Artifact is deployed su...

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本人使用的版本是 Intellij IDEA 2017.1.2 最近刚学习使用 Intellij IDEA 开发项目，就遇到了坑爹的问题，部署一个简单的 ssh 项目，tomcat启动正常，没有任何报错，就是打不开项目，一直报404，错误如下图：控制台输出：D:\apache-tomcat-7.0.57\bin\catalina.bat run [2017-05-19 12:18:47,831]

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