I developed a springboot war file to deploy into server, but due to some reason I have to deploy it inside the tomcat of xampp but I am getting error as below. How can I fix this ?
INFO: validateJarFile(C:\xampp\tomcat\webapps\ipf-2.0.0.RC2\WEB-INF\lib\tomcat-embed-core-8.5.28.jar) - jar not loaded. See Servlet Spec 3.0, section 10.7.2. Offending class: javax/servlet/Servlet.class Mar 21, 2018 5:19:58 PM org.apache.catalina.loader.WebappClassLoader validateJarFile INFO: validateJarFile(C:\xampp\tomcat\webapps\ipf-2.0.0.RC2\WEB-INF\lib\tomcat-embed-el-8.5.28.jar) - jar not loaded. See Servlet Spec 3.0, section 10.7.2. Offending class: javax/el/Expression.class Mar 21, 2018 5:19:58 PM org.apache.catalina.deploy.WebXml setVersion WARNING: Unknown version string [3.1]. Default version will be used. Mar 21, 2018 5:20:00 PM org.apache.catalina.startup.ContextConfig processAnnotationsJar SEVERE: Unable to process Jar entry [module-info.class] from Jar [jar:file:/C:/xampp/tomcat/webapps/ipf-2.0.0.RC2/WEB-INF/lib/log4j-api-2.10.0.jar!/] for annotations org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 19 at org.apache.tomcat.util.bcel.classfile.Constant.readConstant(Constant.java:97) at org.apache.tomcat.util.bcel.classfile.ConstantPool.(ConstantPool.java:55) at org.apache.tomcat.util.bcel.classfile.ClassParser.readConstantPool(ClassParser.java:175) at org.apache.tomcat.util.bcel.classfile.ClassParser.parse(ClassParser.java:83) at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2071) at org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:1947) at org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1913) at org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1898) at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1330) at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:889) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:386) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5380) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:649) at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1083) at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1879) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)