>
> Hi Mark,
>
>
> Please find my query to start with working without IDE
>
>
>
> On Sat, 30 Dec 2023, 18:50 Mark Thomas, <ma...@apache.org> wrote:
>
>> On 25/12/2023 04:12, Igal Sapir wrote:
>> > Any thoughts why I get ClassNotFoundException: listeners.ContextListener
>> > (and other listeners) when I run Tomcat in an IDE (IntelliJ IDEA)?
>>
>> It looks like the docBase is set to the source dir for the webapps. That
>> probably means there aren't any compiled classes present hence you get
>> the CNFE.
>>
>> At a guess, I'd try adding the WEB-INF/classes directories as additional
>> source locations. That should result in the resulting class files being
>> included in the common class loader. It isn't exactly how Tomcat would
>> be configured if running outside of the IDE but results should be the
>> same.
>>
>> Personally, I haven't tried running Tomcat in an IDE for years. I always
>> run Tomcat from the command line and then use remote debugging. It takes
>> a little bit of setting up, but once configured I found it a lot easier
>> to work with.
>>
>
>
> I have small query regarding to run without IDE
>
> Whether it like catalina.bat jpda start and then use remote debugging ?
>
>
>
>
> Regards
> Koti
>
>
>
>
>> YMMV.
>>
>> Mark
>>
>> >
>> > SEVERE: Error configuring application listener of class
>> > [listeners.ContextListener]
>> > java.lang.ClassNotFoundException: listeners.ContextListener
>> >
>> >
>> > Then when I try to make a request
>> > jakarta.servlet.jsp.JspFactory.getDefaultFactory() returns null and
>> throws
>> > another exception (can be seen at the end of the console output)
>> >
>> > Here is the console output:
>> >
>> > /opt/java/jdk-22-ea+29/bin/java
>> > -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:46023
>> ,suspend=y,server=n
>> > --enable-preview
>> >
>> -javaagent:/opt/jetbrains/idea-IC-233.13135.103/plugins/java/lib/rt/debugger-agent.jar
>> > -Dfile.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8
>> > -Dsun.stderr.encoding=UTF-8 -classpath
>> >
>> /workspace/src/tomcat/main/.idea/output/production/tomcat:/opt/java/apache-ant-1.10.8/lib/ant.jar:/workspace/build/tomcat-build-libs/junit-4.13.2/junit-4.13.2.jar:/workspace/build/tomcat-build-libs/ecj-4.29/ecj-4.29.jar:/workspace/build/tomcat-build-libs/easymock-4.3/easymock-4.3.jar:/workspace/build/tomcat-build-libs/hamcrest-2.2/hamcrest-2.2.jar:/workspace/build/tomcat-build-libs/cglib-3.3.0/cglib-nodep-3.3.0.jar:/workspace/build/tomcat-build-libs/objenesis-3.3/objenesis-3.3.jar:/workspace/build/tomcat-build-libs/bnd-7.0.0/biz.aQute.bnd-7.0.0.jar:/workspace/build/tomcat-build-libs/migration-1.0.7/jakartaee-migration-1.0.7-shaded.jar:/workspace/build/tomcat-build-libs/unboundid-6.0.11/unboundid-ldapsdk-6.0.11.jar:/workspace/src/tomcat/main/lib/jmh-core-1.36.jar:/workspace/src/tomcat/main/lib/jopt-simple-5.0.4.jar:/workspace/src/tomcat/main/lib/commons-math3-3.6.1.jar:/workspace/src/tomcat/main/lib/jmh-generator-annprocess-1.36.jar:/opt/jetbrains/idea-IC-233.13135.103/lib/idea_rt.jar
>> > org.apache.catalina.startup.Bootstrap
>> > Connected to the target VM, address: '127.0.0.1:46023', transport:
>> 'socket'
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: Server version name: Apache Tomcat/11.0.x-dev
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: Server built: unknown
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: Server version number: 11.0.x
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: OS Name: Linux
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: OS Version: 6.2.0-39-generic
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: Architecture: amd64
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: Java Home: /opt/java/jdk-22-ea+29
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: JVM Version: 22-ea+29-2286
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: JVM Vendor: Oracle Corporation
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: CATALINA_BASE: /workspace/src/tomcat/main
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: CATALINA_HOME: /workspace/src/tomcat/main
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: Command line argument:
>> > -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:46023
>> ,suspend=y,server=n
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: Command line argument: --enable-preview
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: Command line argument:
>> >
>> -javaagent:/opt/jetbrains/idea-IC-233.13135.103/plugins/java/lib/rt/debugger-agent.jar
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: Command line argument: -Dfile.encoding=UTF-8
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: Command line argument: -Dsun.stdout.encoding=UTF-8
>> > Dec 24, 2023 8:04:24 PM
>> org.apache.catalina.startup.VersionLoggerListener log
>> > INFO: Command line argument: -Dsun.stderr.encoding=UTF-8
>> > Dec 24, 2023 8:04:24 PM org.apache.catalina.core.AprLifecycleListener
>> > lifecycleEvent
>> > INFO: The Apache Tomcat Native library which allows using OpenSSL was
>> > not found on the java.library.path:
>> > [/usr/java/packages/lib:/usr/lib64:/lib64:/lib:/usr/lib]
>> > Dec 24, 2023 8:04:24 PM org.apache.coyote.AbstractProtocol init
>> > INFO: Initializing ProtocolHandler ["http-nio-8080"]
>> > Dec 24, 2023 8:04:24 PM org.apache.catalina.startup.Catalina load
>> > INFO: Server initialization in [929] milliseconds
>> > Dec 24, 2023 8:04:24 PM org.apache.catalina.core.StandardService
>> startInternal
>> > INFO: Starting service [Catalina]
>> > Dec 24, 2023 8:04:24 PM org.apache.catalina.core.StandardEngine
>> startInternal
>> > INFO: Starting Servlet engine: [Apache Tomcat/11.0.x-dev]
>> > Dec 24, 2023 8:04:24 PM org.apache.catalina.startup.HostConfig
>> deployDirectory
>> > INFO: Deploying web application directory
>> > [/workspace/src/tomcat/main/webapps/ROOT]
>> > Dec 24, 2023 8:04:24 PM org.apache.catalina.startup.HostConfig
>> deployDirectory
>> > INFO: Deployment of web application directory
>> > [/workspace/src/tomcat/main/webapps/ROOT] has finished in [299] ms
>> > Dec 24, 2023 8:04:24 PM org.apache.catalina.startup.HostConfig
>> deployDirectory
>> > INFO: Deploying web application directory
>> > [/workspace/src/tomcat/main/webapps/host-manager]
>> > Dec 24, 2023 8:04:25 PM org.apache.catalina.startup.HostConfig
>> deployDirectory
>> > INFO: Deployment of web application directory
>> > [/workspace/src/tomcat/main/webapps/host-manager] has finished in [46]
>> > ms
>> > Dec 24, 2023 8:04:25 PM org.apache.catalina.startup.HostConfig
>> deployDirectory
>> > INFO: Deploying web application directory
>> > [/workspace/src/tomcat/main/webapps/manager]
>> > Dec 24, 2023 8:04:25 PM org.apache.catalina.startup.HostConfig
>> deployDirectory
>> > INFO: Deployment of web application directory
>> > [/workspace/src/tomcat/main/webapps/manager] has finished in [26] ms
>> > Dec 24, 2023 8:04:25 PM org.apache.catalina.startup.HostConfig
>> deployDirectory
>> > INFO: Deploying web application directory
>> > [/workspace/src/tomcat/main/webapps/examples]
>> > Dec 24, 2023 8:04:25 PM org.apache.catalina.core.StandardContext
>> listenerStart
>> > SEVERE: Error configuring application listener of class
>> > [listeners.ContextListener]
>> > java.lang.ClassNotFoundException: listeners.ContextListener
>> > at
>> org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1201)
>> > at
>> org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1035)
>> > at
>> org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:480)
>> > at
>> org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:463)
>> > at
>> org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:139)
>> > at
>> org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4320)
>> > at
>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4828)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at
>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:650)
>> > at
>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:711)
>> > at
>> org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1102)
>> > at
>> org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1950)
>> > at
>> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
>> > at
>> java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:317)
>> > at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
>> > at
>> org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
>> > at
>> java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:123)
>> > at
>> org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1012)
>> > at
>> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:394)
>> > at
>> org.apache.catalina.startup.HostConfig.start(HostConfig.java:1628)
>> > at
>> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:273)
>> > at
>> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:114)
>> > at
>> org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:402)
>> > at
>> org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:345)
>> > at
>> org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:860)
>> > at
>> org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:844)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at
>> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1299)
>> > at
>> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1289)
>> > at
>> java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:317)
>> > at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
>> > at
>> org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
>> > at
>> java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145)
>> > at
>> org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:833)
>> > at
>> org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:240)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at
>> org.apache.catalina.core.StandardService.startInternal(StandardService.java:433)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at
>> org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:913)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at org.apache.catalina.startup.Catalina.start(Catalina.java:793)
>> > at
>> java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
>> > at java.base/java.lang.reflect.Method.invoke(Method.java:580)
>> > at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:344)
>> > at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:475)
>> >
>> > Dec 24, 2023 8:04:25 PM org.apache.catalina.core.StandardContext
>> listenerStart
>> > SEVERE: Error configuring application listener of class
>> > [listeners.SessionListener]
>> > java.lang.ClassNotFoundException: listeners.SessionListener
>> > at
>> org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1201)
>> > at
>> org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1035)
>> > at
>> org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:480)
>> > at
>> org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:463)
>> > at
>> org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:139)
>> > at
>> org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4320)
>> > at
>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4828)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at
>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:650)
>> > at
>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:711)
>> > at
>> org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1102)
>> > at
>> org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1950)
>> > at
>> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
>> > at
>> java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:317)
>> > at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
>> > at
>> org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
>> > at
>> java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:123)
>> > at
>> org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1012)
>> > at
>> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:394)
>> > at
>> org.apache.catalina.startup.HostConfig.start(HostConfig.java:1628)
>> > at
>> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:273)
>> > at
>> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:114)
>> > at
>> org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:402)
>> > at
>> org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:345)
>> > at
>> org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:860)
>> > at
>> org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:844)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at
>> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1299)
>> > at
>> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1289)
>> > at
>> java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:317)
>> > at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
>> > at
>> org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
>> > at
>> java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145)
>> > at
>> org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:833)
>> > at
>> org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:240)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at
>> org.apache.catalina.core.StandardService.startInternal(StandardService.java:433)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at
>> org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:913)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at org.apache.catalina.startup.Catalina.start(Catalina.java:793)
>> > at
>> java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
>> > at java.base/java.lang.reflect.Method.invoke(Method.java:580)
>> > at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:344)
>> > at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:475)
>> >
>> > Dec 24, 2023 8:04:25 PM org.apache.catalina.core.StandardContext
>> listenerStart
>> > SEVERE: Error configuring application listener of class
>> > [async.AsyncStockContextListener]
>> > java.lang.ClassNotFoundException: async.AsyncStockContextListener
>> > at
>> org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1201)
>> > at
>> org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1035)
>> > at
>> org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:480)
>> > at
>> org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:463)
>> > at
>> org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:139)
>> > at
>> org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4320)
>> > at
>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4828)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at
>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:650)
>> > at
>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:711)
>> > at
>> org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1102)
>> > at
>> org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1950)
>> > at
>> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
>> > at
>> java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:317)
>> > at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
>> > at
>> org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
>> > at
>> java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:123)
>> > at
>> org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1012)
>> > at
>> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:394)
>> > at
>> org.apache.catalina.startup.HostConfig.start(HostConfig.java:1628)
>> > at
>> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:273)
>> > at
>> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:114)
>> > at
>> org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:402)
>> > at
>> org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:345)
>> > at
>> org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:860)
>> > at
>> org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:844)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at
>> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1299)
>> > at
>> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1289)
>> > at
>> java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:317)
>> > at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
>> > at
>> org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
>> > at
>> java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145)
>> > at
>> org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:833)
>> > at
>> org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:240)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at
>> org.apache.catalina.core.StandardService.startInternal(StandardService.java:433)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at
>> org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:913)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at org.apache.catalina.startup.Catalina.start(Catalina.java:793)
>> > at
>> java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
>> > at java.base/java.lang.reflect.Method.invoke(Method.java:580)
>> > at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:344)
>> > at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:475)
>> >
>> > Dec 24, 2023 8:04:25 PM org.apache.catalina.core.StandardContext
>> listenerStart
>> > SEVERE: Error configuring application listener of class
>> > [websocket.drawboard.DrawboardContextListener]
>> > java.lang.ClassNotFoundException:
>> websocket.drawboard.DrawboardContextListener
>> > at
>> org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1201)
>> > at
>> org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1035)
>> > at
>> org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:480)
>> > at
>> org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:463)
>> > at
>> org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:139)
>> > at
>> org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4320)
>> > at
>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4828)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at
>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:650)
>> > at
>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:711)
>> > at
>> org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1102)
>> > at
>> org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1950)
>> > at
>> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
>> > at
>> java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:317)
>> > at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
>> > at
>> org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
>> > at
>> java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:123)
>> > at
>> org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1012)
>> > at
>> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:394)
>> > at
>> org.apache.catalina.startup.HostConfig.start(HostConfig.java:1628)
>> > at
>> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:273)
>> > at
>> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:114)
>> > at
>> org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:402)
>> > at
>> org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:345)
>> > at
>> org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:860)
>> > at
>> org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:844)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at
>> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1299)
>> > at
>> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1289)
>> > at
>> java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:317)
>> > at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
>> > at
>> org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
>> > at
>> java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145)
>> > at
>> org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:833)
>> > at
>> org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:240)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at
>> org.apache.catalina.core.StandardService.startInternal(StandardService.java:433)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at
>> org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:913)
>> > at
>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>> > at org.apache.catalina.startup.Catalina.start(Catalina.java:793)
>> > at
>> java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
>> > at java.base/java.lang.reflect.Method.invoke(Method.java:580)
>> > at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:344)
>> > at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:475)
>> >
>> > Dec 24, 2023 8:04:25 PM org.apache.catalina.core.StandardContext
>> listenerStart
>> > SEVERE: Skipped installing application listeners due to previous
>> error(s)
>> > Dec 24, 2023 8:04:25 PM org.apache.catalina.core.StandardContext
>> startInternal
>> > SEVERE: One or more listeners failed to start. Full details will be
>> > found in the appropriate container log file
>> > Dec 24, 2023 8:04:25 PM org.apache.catalina.core.StandardContext
>> startInternal
>> > SEVERE: Context [/examples] startup failed due to previous errors
>> > Dec 24, 2023 8:04:25 PM
>> > org.apache.catalina.loader.WebappClassLoaderBase
>> > checkThreadLocalsForLeaks
>> > WARNING: You need to add "--add-opens=java.base/java.lang=ALL-UNNAMED"
>> > to the JVM command line arguments to enable ThreadLocal memory leak
>> > detection. Alternatively, you can suppress this warning by disabling
>> > ThreadLocal memory leak detection.
>> > Dec 24, 2023 8:04:25 PM
>> > org.apache.catalina.loader.WebappClassLoaderBase
>> > clearReferencesRmiTargets
>> > WARNING: You need to add
>> > "--add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED" to the JVM
>> > command line arguments to enable RMI Target memory leak detection.
>> > Alternatively, you can suppress this warning by disabling RMI Target
>> > memory leak detection.
>> > Dec 24, 2023 8:04:25 PM org.apache.catalina.startup.HostConfig
>> deployDirectory
>> > INFO: Deployment of web application directory
>> > [/workspace/src/tomcat/main/webapps/examples] has finished in [68] ms
>> > Dec 24, 2023 8:04:25 PM org.apache.catalina.startup.HostConfig
>> deployDirectory
>> > INFO: Deploying web application directory
>> > [/workspace/src/tomcat/main/webapps/docs]
>> > Dec 24, 2023 8:04:25 PM org.apache.catalina.startup.HostConfig
>> deployDirectory
>> > INFO: Deployment of web application directory
>> > [/workspace/src/tomcat/main/webapps/docs] has finished in [16] ms
>> > Dec 24, 2023 8:04:25 PM org.apache.coyote.AbstractProtocol start
>> > INFO: Starting ProtocolHandler ["http-nio-8080"]
>> > Dec 24, 2023 8:04:25 PM org.apache.catalina.startup.Catalina start
>> > INFO: Server startup in [543] milliseconds
>> > Dec 24, 2023 8:04:41 PM org.apache.catalina.core.StandardWrapperValve
>> invoke
>> > SEVERE: Servlet.service() for servlet [jsp] in context with path []
>> > threw exception [org.apache.jasper.JasperException: Unable to compile
>> > class for JSP] with root cause
>> > java.lang.NullPointerException: Cannot invoke
>> >
>> "jakarta.servlet.jsp.JspFactory.getJspApplicationContext(jakarta.servlet.ServletContext)"
>> > because the return value of
>> > "jakarta.servlet.jsp.JspFactory.getDefaultFactory()" is null
>> > at
>> org.apache.jasper.compiler.Validator$ValidateVisitor.<init>(Validator.java:519)
>> > at
>> org.apache.jasper.compiler.Validator.validateExDirectives(Validator.java:1812)
>> > at
>> org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:229)
>> > at org.apache.jasper.compiler.Compiler.compile(Compiler.java:396)
>> > at org.apache.jasper.compiler.Compiler.compile(Compiler.java:372)
>> > at org.apache.jasper.compiler.Compiler.compile(Compiler.java:356)
>> > at
>> org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:602)
>> > at
>> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:396)
>> > at
>> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:357)
>> > at
>> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:305)
>> > at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:716)
>> > at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
>> > at
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167)
>> > at
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
>> > at
>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
>> > at
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115)
>> > at
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
>> > at
>> org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:673)
>> > at
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
>> > at
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:338)
>> > at
>> org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:389)
>> > at
>> org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
>> > at
>> org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:896)
>> > at org.apache.tomcat.util.net
>> .NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1749)
>> > at org.apache.tomcat.util.net
>> .SocketProcessorBase.run(SocketProcessorBase.java:52)
>> > at
>> org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>> > at
>> org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
>> > at
>> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
>> > at java.base/java.lang.Thread.run(Thread.java:1570)
>> >
>>
>
