Hi Karim,
You have Out of Memory error while opening this managed server. Please check below error in your managed server log.
You had better tune and optimize your WebLogic environment or increase server memory.
Kind Regards.
####<Jan 10, 2021 4:28:17 PM MYT> <Info> <Health> <WIHST03-VMAP03> <Server-4> <weblogic.GCMonitor> <<anonymous>> <> <> <1610267297840> <BEA-310002> <97% of the total memory in the server is free> ####<Jan 10, 2021 4:28:18 PM MYT> <Error> <HTTP> <WIHST03-VMAP03> <Server-4> <[STANDBY] ExecuteThread: '1' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <fa71d3a8cd78f3f8:-638c60f4:176eb68c7a2:-7ffe-0000000000000004> <1610267298673> <BEA-101216> <Servlet: "CoordinatorPortTypeServlethttp" failed to preload on startup in Web application: "wls-wsat.war". java.lang.OutOfMemoryError: PermGen space at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:800) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) at java.net.URLClassLoader.access$100(URLClassLoader.java:71) at java.net.URLClassLoader$1.run(URLClassLoader.java:361) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:425) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:358) at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:800) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) at java.net.URLClassLoader.access$100(URLClassLoader.java:71) at java.net.URLClassLoader$1.run(URLClassLoader.java:361) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:425) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:358) at com.sun.xml.ws.server.sei.EndpointMethodHandlerFactory.create(EndpointMethodHandlerFactory.java:15) at com.sun.xml.ws.server.sei.ActionBasedDispatcher.<init>(ActionBasedDispatcher.java:92) at com.sun.xml.ws.server.sei.ActionBasedDispatcher.<init>(ActionBasedDispatcher.java:80) at com.sun.xml.ws.server.sei.EndpointMethodDispatcherGetter.<init>(EndpointMethodDispatcherGetter.java:75) at com.sun.xml.ws.server.sei.SEIInvokerTube.<init>(SEIInvokerTube.java:82) at weblogic.wsee.jaxws.WLSContainer$WLSEndpointFactory$1.createServer(WLSContainer.java:857) at weblogic.wsee.jaxws.ServerLateInitTube.postCreateEndpoint(ServerLateInitTube.java:63) at weblogic.wsee.jaxws.EndpointAwareLateInitTube.postCreateEndpoint(EndpointAwareLateInitTube.java:46) > ####<Jan 10, 2021 4:28:46 PM MYT> <Error> <Socket> <WIHST03-VMAP03> <Server-4> <ExecuteThread: '0' for queue: 'weblogic.socket.Muxer'> <<WLS Kernel>> <> <> <1610267326402> <BEA-000405> <Uncaught Throwable in processSockets java.lang.OutOfMemoryError: PermGen space. java.lang.OutOfMemoryError: PermGen space >