Sorry for the dump size, but not sure if the below from /var/log/pki/pki-tomcat/localhost.date.log helps:
15-Nov-2017 12:14:50.557 SEVERE [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log StandardWrapper.Throwable
java.lang.NullPointerException
at com.netscape.cmscore.selftests.SelfTestSubsystem.shutdown(SelfTestSubsystem.java:1886)
at com.netscape.cmscore.apps.CMSEngine.shutdownSubsystems(CMSEngine.java:2118)
at com.netscape.cmscore.apps.CMSEngine.shutdown(CMSEngine.java:2013)
at com.netscape.certsrv.apps.CMS.shutdown(CMS.java:234)
at com.netscape.certsrv.apps.CMS.start(CMS.java:1630)
at com.netscape.cms.servlet.base.CMSStartServlet.init(CMSStartServlet.java:114)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1227)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1140)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1027)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5038)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5348)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:753)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:729)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:621)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1835)
at java.util.concurrent.Executors$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$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
15-Nov-2017 12:14:50.558 SEVERE [localhost-startStop-1] org.apache.catalina.core.StandardContext.loadOnStartup Servlet [castart] in web application [/ca] threw load() exception
java.lang.NullPointerException
at com.netscape.cmscore.selftests.SelfTestSubsystem.shutdown(SelfTestSubsystem.java:1886)
at com.netscape.cmscore.apps.CMSEngine.shutdownSubsystems(CMSEngine.java:2118)
at com.netscape.cmscore.apps.CMSEngine.shutdown(CMSEngine.java:2013)
at com.netscape.certsrv.apps.CMS.shutdown(CMS.java:234)
at com.netscape.certsrv.apps.CMS.start(CMS.java:1630)
at com.netscape.cms.servlet.base.CMSStartServlet.init(CMSStartServlet.java:114)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1227)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1140)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1027)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5038)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5348)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:753)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:729)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:621)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1835)
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)
15-Nov-2017 12:14:54.509 SEVERE [http-bio-8443-exec-1] org.apache.catalina.core.StandardHostValve.invoke Exception Processing /ca/rest/account/login
javax.ws.rs.ServiceUnavailableException: Subsystem unavailable
at com.netscape.cms.tomcat.ProxyRealm.findSecurityConstraints(ProxyRealm.java:138)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:498)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1132)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:283)
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:748)
15-Nov-2017 13:05:55.874 SEVERE [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log StandardWrapper.Throwable
java.lang.NullPointerException
at com.netscape.cmscore.selftests.SelfTestSubsystem.shutdown(SelfTestSubsystem.java:1886)
at com.netscape.cmscore.apps.CMSEngine.shutdownSubsystems(CMSEngine.java:2118)
at com.netscape.cmscore.apps.CMSEngine.shutdown(CMSEngine.java:2013)
at com.netscape.certsrv.apps.CMS.shutdown(CMS.java:234)
at com.netscape.certsrv.apps.CMS.start(CMS.java:1630)
at com.netscape.cms.servlet.base.CMSStartServlet.init(CMSStartServlet.java:114)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1227)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1140)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1027)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5038)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5348)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:753)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:729)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:621)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1835)
at java.util.concurrent.Executors$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$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
15-Nov-2017 13:05:55.875 SEVERE [localhost-startStop-1] org.apache.catalina.core.StandardContext.loadOnStartup Servlet [castart] in web application [/ca] threw load() exception
java.lang.NullPointerException
at com.netscape.cmscore.selftests.SelfTestSubsystem.shutdown(SelfTestSubsystem.java:1886)
at com.netscape.cmscore.apps.CMSEngine.shutdownSubsystems(CMSEngine.java:2118)
at com.netscape.cmscore.apps.CMSEngine.shutdown(CMSEngine.java:2013)
at com.netscape.certsrv.apps.CMS.shutdown(CMS.java:234)
at com.netscape.certsrv.apps.CMS.start(CMS.java:1630)
at com.netscape.cms.servlet.base.CMSStartServlet.init(CMSStartServlet.java:114)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1227)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1140)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1027)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5038)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5348)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:753)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:729)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:621)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1835)
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)
15-Nov-2017 13:05:59.706 SEVERE [http-bio-8443-exec-1] org.apache.catalina.core.StandardHostValve.invoke Exception Processing /ca/rest/account/login
javax.ws.rs.ServiceUnavailableException: Subsystem unavailable
at com.netscape.cms.tomcat.ProxyRealm.findSecurityConstraints(ProxyRealm.java:138)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:498)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1132)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:283)
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:748)