I have migrated my opencms from jboss to Tomcat Server. I have in total 4 tomcat server. On 2 server it is working completely fine and on 2 it is giving the following error.
'''2022-09-15 04:41:42,620 SEVERE [Username:] [org.apache.catalina.core.ContainerBase.[Catalina].[localhost]] (org.apache.catalina.core.StandardHostValve custom) Exception Processing ErrorPage[errorCode=500, location=/opencms-errorhandler/system/handler/handle500.html] org.opencms.main.CmsInitException: Critical error during OpenCms initialization: Unable to read the OpenCms XML configuration. at org.opencms.main.OpenCmsCore.getInstance(OpenCmsCore.java:268) at org.opencms.main.OpenCmsServletErrorHandler.doGet(OpenCmsServletErrorHandler.java:79) at javax.servlet.http.HttpServlet.service(HttpServlet.java:635) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:469) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:392) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:311) at org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:395) at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:254) at org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java:349) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:175) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:750)'''
The configuration of all 4 tomcat server are same so no idea about how it is working on 5 server and on 5 giving error.