What is the servlet-api version indicated in the META-INF/MANIFEST.mf file contained in the servlet-api.jar. If it is v3.1 (or higher) the ServletContext.class should contain the method getCloassLoader()? If it is 2.x, it won't. You might want to check your classpath (checkout Catalina.out to see a dump of the classpath) to see if there is another jar that might contain javax.servlet classes that get loaded even before servlet-api.jar.
-----Original Message----- From: Mohan T <moha...@ramco.com.INVALID> Sent: woensdag 23 juni 2021 12:09 To: Tomcat Users List <users@tomcat.apache.org> Subject: RE: Urgent Help Hi, Thanks for the immediate response. I am attaching my file that is used for starting the tomcat instance. Infact I have the servlet-api.jar in tomcat lib. I am unable to conclude on this. Kindly guide me. Thanks Mohan -----Original Message----- From: Jean-Pierre Urkens <jean-pierre.urk...@devoteam.com.INVALID> Sent: 23 June 2021 15:17 To: Tomcat Users List <users@tomcat.apache.org> Subject: RE: Urgent Help CAUTION: You received this email from external Domain. Check reliability of sender’s email ID. Do not click links, open attachments unless you recognize the sender and know the content is safe. – Ramco IMG >From where is the ServletContext.class loaded? Is it from <TOMCAT_HOME>/lib/servlet-api.jar or from another jar-library on the classpath? My guess is that you have multiple jars containing the ServletContext.class and not all of these are related to the same servlet-api version and thus not supporting the getClassLoader() method. You might be loading the wrong SevletContext class file. -----Original Message----- From: Mohan T <moha...@ramco.com.INVALID> Sent: woensdag 23 juni 2021 11:35 To: Tomcat Users List <users@tomcat.apache.org> Subject: Urgent Help Hi, While starting tomcat, I am getting this error . Neither the console is starting nor the application is working . It is tomcat 8.5.35 on linux Please help Mohan 23-Jun-2021 14:42:09.857 SEVERE [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployWAR Error deploying web application archive [/home/ilas/tomcat8.5_tech/apache-tomcat-8.5.35/webapps/admin.war] java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/admin]] at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java :758) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:730) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734) at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:985) at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1857) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java: 1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java :624) at java.lang.Thread.run(Thread.java:748) 23-Jun-2021 14:42:09.864 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployWAR Deployment of web application archive [/home/ilas/tomcat8.5_tech/apache-tomcat-8.5.35/webapps/admin.war] has finished in [608] ms 23-Jun-2021 14:42:09.880 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployWAR Deploying web application archive [/home/ilas/tomcat8.5_tech/apache-tomcat-8.5.35/webapps/audit.war] 23-Jun-2021 14:42:09.927 SEVERE [localhost-startStop-1] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/audit]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java :754) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:730) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734) at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:985) at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1857) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java: 1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java :624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.NoSuchMethodError: javax.servlet.ServletContext.getClassLoader()Ljava/lang/ClassLoader; at org.apache.tomcat.util.scan.StandardJarScanner.doScanClassPath(StandardJar Scanner.java:246) at org.apache.tomcat.util.scan.StandardJarScanner.scan(StandardJarScanner.jav a:229) at org.apache.catalina.startup.ContextConfig.processJarsForWebFragments(Conte xtConfig.java:1892) at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:112 0) at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.jav a:769) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.jav a:299) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.ja va:94) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.jav a:5154) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ... 10 more DISCLAIMER: This communication contains information which is confidential and the copyright of Ramco Systems Ltd, its subsidiaries or a third party ("Ramco"). 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