spring-mvc-project hello-world

Question

I use SpringSource Tool Suite sts to start a hello world example about MVC.

File -> New -> Spring Template Project -> then choose Spring MVC Project

I add Project Name: helloworld and specify the top-level package as com.helloworld.myapp

then finish.

now I try to run the application and choose Run on Server and it always shows me the everlasting screen that says: The requested resource (/helloworld/) is not available.

server shows the following:

Nov 30, 2011 4:06:53 PM com.springsource.tcserver.security.PropertyDecoder <init> INFO: tc

Runtime property decoder using memory-based key Nov 30, 2011 4:06:53 PM com.springsource.tcserver.security.PropertyDecoder INFO: tcServer Runtime property decoder has been initialized in 183 ms Nov 30, 2011 4:06:53 PM org.apache.coyote.AbstractProtocol init INFO: Initializing ProtocolHandler ["http-bio-8080"] Nov 30, 2011 4:06:53 PM com.springsource.tcserver.serviceability.rmi.JmxSocketListener init INFO: Started up JMX registry on 127.0.0.1:6969 in 63 ms Nov 30, 2011 4:06:53 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 693 ms Nov 30, 2011 4:06:53 PM org.apache.catalina.core.StandardService startInternal INFO: Starting service Catalina Nov 30, 2011 4:06:53 PM org.apache.catalina.core.StandardEngine startInternal INFO: Starting Servlet Engine: VMware vFabric tc Runtime 2.6.1.RELEASE/7.0.20.B.RELEASE Nov 30, 2011 4:06:53 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor insight.xml from D:\springsource\vfabric-tc-server-developer-2.6.1.RELEASE\spring-insight-instance\conf\Catalina\localhost Nov 30, 2011 4:06:53 PM com.springsource.insight.collection.tcserver.ltw.TomcatWeavingInsightClassLoader start INFO: Context [localhost|insight] will not be woven Nov 30, 2011 4:06:54 PM org.apache.catalina.core.ApplicationContext log INFO: Initializing Spring root WebApplicationContext Nov 30, 2011 4:07:04 PM org.apache.catalina.core.ApplicationContext log INFO: Initializing Spring FrameworkServlet 'Spring MVC Dispatcher Servlet' Nov 30, 2011 4:07:06 PM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deploying web application directory manager Nov 30, 2011 4:07:06 PM com.springsource.insight.collection.tcserver.ltw.TomcatWeavingInsightClassLoader start INFO: Context [localhost|manager] will not be woven Nov 30, 2011 4:07:06 PM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deploying web application directory ROOT Nov 30, 2011 4:07:06 PM com.springsource.insight.collection.tcserver.ltw.TomcatWeavingInsightClassLoader start INFO: Context [localhost|ROOT] will not be woven Nov 30, 2011 4:07:06 PM org.apache.coyote.AbstractProtocol start INFO: Starting ProtocolHandler ["http-bio-8080"] Nov 30, 2011 4:07:06 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 12820 ms Nov 30, 2011 4:07:56 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor EchoSpringMVC.xml from D:\springsource\vfabric-tc-server-developer-2.6.1.RELEASE\spring-insight-instance\conf\Catalina\localhost Nov 30, 2011 4:07:56 PM org.apache.catalina.startup.SetContextPropertiesRule begin WARNING: [SetContextPropertiesRule]{Context} Setting property 'source' to 'org.eclipse.jst.jee.server:EchoSpringMVC' did not find a matching property. Nov 30, 2011 4:07:56 PM com.springsource.insight.collection.tcserver.ltw.TomcatWeavingInsightClassLoader start INFO: Context [localhost|EchoSpringMVC] will not be woven Nov 30, 2011 4:07:56 PM org.apache.catalina.core.StandardContext listenerStart SEVERE: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener java.lang.NoClassDefFoundError: org/apache/log4j/Level at org.slf4j.LoggerFactory.getSingleton(LoggerFactory.java:230) at org.slf4j.LoggerFactory.bind(LoggerFactory.java:121) at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:112) at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:275) at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:248) at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:155) at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:131) at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:272) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:191) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4723) at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5226) at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5221) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Level at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1678) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1523) ... 18 more

Nov 30, 2011 4:07:56 PM org.apache.catalina.core.StandardContext startInternal SEVERE: Error listenerStart Nov 30, 2011 4:07:56 PM org.apache.catalina.core.StandardContext startInternal SEVERE: Context [/EchoSpringMVC] startup failed due to previous errors Nov 30, 2011 4:07:56 PM org.apache.catalina.core.ApplicationContext log INFO: Closing Spring root WebApplicationContext Nov 30, 2011 4:07:56 PM org.apache.catalina.core.StandardContext listenerStop SEVERE: Exception sending context destroyed event to listener instance of class org.springframework.web.context.ContextLoaderListener java.lang.ExceptionInInitializerError at org.springframework.web.context.ContextLoaderListener.contextDestroyed(ContextLoaderListener.java:80) at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:4763) at org.apache.catalina.core.StandardContext$4.run(StandardContext.java:5473) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.IllegalStateException: org.slf4j.LoggerFactory could not be successfully initialized. See also http://www.slf4j.org/codes.html#unsuccessfulInit at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:282) at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:248) at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:155) at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:131) at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:272) at org.springframework.web.context.ContextCleanupListener.(ContextCleanupListener.java:43) ... 4 more

Where do I go wrong? Please help.

Answer 1

I've solved changing log4j 1.2.15 with 1.2.16 in pom.xml

New dependency look like this

<dependency>
    <groupId>log4j</groupId>
    <artifactId>log4j</artifactId>
    <version>1.2.16</version>
    <exclusions>
        <exclusion>
            <groupId>javax.mail</groupId>
            <artifactId>mail</artifactId>
        </exclusion>
        <exclusion>
            <groupId>javax.jms</groupId>
            <artifactId>jms</artifactId>
        </exclusion>
        <exclusion>
            <groupId>com.sun.jdmk</groupId>
            <artifactId>jmxtools</artifactId>
        </exclusion>
        <exclusion>
            <groupId>com.sun.jmx</groupId>
            <artifactId>jmxri</artifactId>
        </exclusion>
    </exclusions>
    <scope>runtime</scope>
</dependency>

That's all

Answer 2

It looks like you are having this exception:

https://issuetracker.springsource.com/browse/STS-2128

Your code will run fine. This is a caching problem with WTP (Web Tools Project). A clean build should remove the error.