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I am getting below error on server startup when trying to have a REST API with spring 5. Maven build is generating the war, but when I am running the application using Smart Tomcat, I am getting below error.

20-Sep-2022 17:16:59.737 INFO [main] 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.
20-Sep-2022 17:16:59.748 INFO [main] org.springframework.web.context.ContextLoader.initWebApplicationContext Root WebApplicationContext: initialization started
20-Sep-2022 17:16:59.767 SEVERE [main] org.springframework.web.context.ContextLoader.initWebApplicationContext Context initialization failed
    org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.web.context.support.XmlWebApplicationContext]: Constructor threw exception; nested exception is java.lang.NoClassDefFoundError: org/springframework/core/metrics/ApplicationStartup
        at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:175)
        at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:120)
        at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:345)
        at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:278)
        at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:103)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4768)
        at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5230)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:726)
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:698)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:696)
        at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:690)
        at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1889)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
        at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
        at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:583)
        at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:473)
        at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1618)
        at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:319)
        at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
        at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423)
        at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366)
        at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:946)
        at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:835)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
        at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1396)
        at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1386)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
        at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134)
        at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:919)
        at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:265)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
        at org.apache.catalina.core.StandardService.startInternal(StandardService.java:432)
        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.Catalina.start(Catalina.java:772)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:345)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:476)
    Caused by: java.lang.NoClassDefFoundError: org/springframework/core/metrics/ApplicationStartup
        at org.springframework.context.support.AbstractApplicationContext.<init>(AbstractApplicationContext.java:229)
        at org.springframework.context.support.AbstractRefreshableApplicationContext.<init>(AbstractRefreshableApplicationContext.java:81)
        at org.springframework.context.support.AbstractRefreshableConfigApplicationContext.<init>(AbstractRefreshableConfigApplicationContext.java:51)
        at org.springframework.web.context.support.AbstractRefreshableWebApplicationContext.<init>(AbstractRefreshableWebApplicationContext.java:101)
        at org.springframework.web.context.support.XmlWebApplicationContext.<init>(XmlWebApplicationContext.java:62)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:163)
        ... 45 more
    Caused by: java.lang.ClassNotFoundException: org.springframework.core.metrics.ApplicationStartup
        at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1412)
        at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1220)
        ... 55 more

I have following dependencies in pom.xml:

<dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>${jackson.databind-version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-oxm</artifactId>
            <version>5.3.22</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.ws</groupId>
            <artifactId>spring-ws-core</artifactId>
            <version>3.1.3</version>
        </dependency>

Also, have the following plugin added:

<plugin>
                    <groupId>org.jvnet.jaxb2.maven2</groupId>
                    <artifactId>maven-jaxb2-plugin</artifactId>
                    <version>0.14.0</version>
                    <executions>
                        <execution>
                            <goals>
                                <goal>generate</goal>
                            </goals>
                        </execution>
                    </executions>
                    <configuration>
                        <schemaLanguage>WSDL</schemaLanguage>
                        <generateDirectory>${project.basedir}/src/main/java</generateDirectory>
                        <generatePackage>com.org.choicehotels.springsoap.client.gen</generatePackage>
                        <schemaDirectory>${project.basedir}/src/main/resources/wsdl</schemaDirectory>
                        <schemaIncludes>
                            <include>hotels.wsdl</include>
                        </schemaIncludes>
                    </configuration>
                </plugin>

Below is web.xml:

<context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <listener>
        <listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
    </listener>
    <servlet>
        <servlet-name>appServlet</servlet-name>
        <servlet-class>org.springframework.web.SpringServletContainerInitializer</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:applicationContext.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>appServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

Just to give some extra context, I have to use this REST Api to further connect to a SOAP service as part of requirement. Thanks!

Edit 1: Strangely, I didn't get this error anymore. But, when starting the tomcat, I am getting the below error in Tomcat Localhost log:

21-Sep-2022 16:50:36.298 INFO [main] org.apache.catalina.core.ApplicationContext.log No Spring WebApplicationInitializer types detected on classpath
21-Sep-2022 16:50:36.306 INFO [main] org.apache.catalina.core.ApplicationContext.log Initializing Spring root WebApplicationContext
21-Sep-2022 16:50:37.143 INFO [main] org.apache.catalina.core.ApplicationContext.log Marking servlet [appServlet] as unavailable
21-Sep-2022 16:50:37.143 SEVERE [main] org.apache.catalina.core.StandardContext.loadOnStartup Servlet [appServlet] in web application [/ChoiceHotels-rest-spring5] threw load() exception
    java.lang.ClassCastException: org.springframework.web.SpringServletContainerInitializer cannot be cast to javax.servlet.Servlet
        at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1070)
        at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1010)
        at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4957)
        at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5264)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:726)
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:698)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:696)
        at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:690)
        at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1889)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
        at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
        at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:583)
        at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:473)
        at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1618)
        at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:319)
        at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
        at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423)
        at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366)
        at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:946)
        at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:835)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
        at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1396)
        at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1386)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
        at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134)
        at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:919)
        at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:265)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
        at org.apache.catalina.core.StandardService.startInternal(StandardService.java:432)
        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.Catalina.start(Catalina.java:772)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:345)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:476)

Although, I in console, it shows that server startup is successful:

21-Sep-2022 16:50:37.153 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-8080"]
21-Sep-2022 16:50:37.159 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in [1580] milliseconds
http://localhost:8080/ChoiceHotels-rest-spring5

I am getting 404 error when trying to access the url.

Abhinash Jha
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1 Answers1

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SO, the original error was fixed by somehow its own. I didn't see that error again. The second error(Edit 1) got fixed when I started the tomcat server from terminal and not using Smart Tomcat which is an intellij plugin.

Abhinash Jha
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  • 3
  • 17