2021-05-20 07:43:54,478 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 79) MSC000001: Failed to start service jboss.deployment.unit."handlungshilfe.war".undertow-deployment: org.jboss.msc.service.StartException in service jboss.deployment.unit."handlungshilfe.war".undertow-deployment: java.lang.NoClassDefFoundError: javax/servlet/http/HttpServlet
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:81)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
	at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)
	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
	at java.lang.Thread.run(Thread.java:748)
	at org.jboss.threads.JBossThread.run(JBossThread.java:513)
Caused by: java.lang.NoClassDefFoundError: javax/servlet/http/HttpServlet
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
	at de.isb.concierge.framework.BundleClassLoader.defineCls(BundleClassLoader.java:782)
	at de.isb.concierge.framework.BundleClassLoader.findOwnClass(BundleClassLoader.java:752)
	at de.isb.concierge.framework.BundleClassLoader.searchClass(BundleClassLoader.java:636)
	at de.isb.concierge.framework.BundleClassLoader.findClass(BundleClassLoader.java:617)
	at de.isb.concierge.framework.BundleClassLoader.loadClass(BundleClassLoader.java:573)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
	at de.isb.concierge.framework.BundleClassLoader.defineCls(BundleClassLoader.java:782)
	at de.isb.concierge.framework.BundleClassLoader.findOwnClass(BundleClassLoader.java:752)
	at de.isb.concierge.framework.BundleClassLoader.searchClass(BundleClassLoader.java:636)
	at de.isb.concierge.framework.BundleClassLoader.findClass(BundleClassLoader.java:617)
	at de.isb.concierge.framework.BundleClassLoader.loadClass(BundleClassLoader.java:573)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	at de.isb.utils.ClassLoaderWrapper.doLoad(ClassLoaderWrapper.java:119)
	at de.isb.utils.ClassLoaderWrapper.loadClass(ClassLoaderWrapper.java:98)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	at de.isb.servlet.osgi.OSGiServlet.init(OSGiServlet.java:62)
	at io.undertow.servlet.core.LifecyleInterceptorInvocation.proceed(LifecyleInterceptorInvocation.java:117)
	at org.wildfly.elytron.web.undertow.server.servlet.RunAsLifecycleInterceptor.doIt(RunAsLifecycleInterceptor.java:70)
	at org.wildfly.elytron.web.undertow.server.servlet.RunAsLifecycleInterceptor.init(RunAsLifecycleInterceptor.java:76)
	at io.undertow.servlet.core.LifecyleInterceptorInvocation.proceed(LifecyleInterceptorInvocation.java:103)
	at io.undertow.servlet.core.ManagedServlet$DefaultInstanceStrategy.start(ManagedServlet.java:305)
	at io.undertow.servlet.core.ManagedServlet.createServlet(ManagedServlet.java:145)
	at io.undertow.servlet.core.DeploymentManagerImpl$2.call(DeploymentManagerImpl.java:588)
	at io.undertow.servlet.core.DeploymentManagerImpl$2.call(DeploymentManagerImpl.java:559)
	at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:42)
	at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1530)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1530)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1530)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1530)
	at io.undertow.servlet.core.DeploymentManagerImpl.start(DeploymentManagerImpl.java:601)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentService.startContext(UndertowDeploymentService.java:97)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:78)
	... 8 more
Caused by: java.lang.ClassNotFoundException: javax.servlet.http.HttpServlet
	at de.isb.concierge.framework.BundleClassLoader.findClass(BundleClassLoader.java:621)
	at de.isb.concierge.framework.BundleClassLoader.loadClass(BundleClassLoader.java:573)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	... 45 more

2021-05-20 07:43:54,500 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) WFLYCTL0013: Operation ("deploy") failed - address: ([("deployment" => "handlungshilfe.war")]) - failure description: {"WFLYCTL0080: Failed services" => {"jboss.deployment.unit.\"handlungshilfe.war\".undertow-deployment" => "java.lang.NoClassDefFoundError: javax/servlet/http/HttpServlet
    Caused by: java.lang.NoClassDefFoundError: javax/servlet/http/HttpServlet
    Caused by: java.lang.ClassNotFoundException: javax.servlet.http.HttpServlet"}}