hi @mathijs i’m not sure… but it’s a 11.x.y …
i was working in my laptop (inside a virtualbox) with a fresh instalation following https://www.onehippo.org/11/trails/getting-started/hippo-essentials-getting-started.html and something strange happend me…
If i work inside the VirtualMaching all it’s ok (using firefox inside the debian install), but if i enter through host maching i saw this message in the console
[INFO] [talledLocalContainer] 11.10.2018 12:57:56 WARN http-nio-8080-exec-6 [CmsRestSecurityValve.invoke:131] NullPointerException while processing CMS REST credentials : java.lang.NullPointerException
[INFO] [talledLocalContainer] 11.10.2018 12:57:56 WARN Thread-43 [RestProxyServicesManager$2.run:150] Site for contextPath /site is not live. Re-checking in 60379 milliseconds. Cause: javax.ws.rs.InternalServerErrorException: HTTP 500 Internal Server Error
and yesterday i saw something like this…
[INFO] [talledLocalContainer] 10.10.2018 17:33:00 WARN http-nio-8080-exec-3 [HstDelegateeFilterBean.doFilter:208] 'Request{ method='GET', scheme='http', host='10.145.6.127:8080', requestURI='/site/_rp/cafebabe-cafe-babe-cafe-babecafebabe./keepalive', queryString='null'}' can not be matched to a host. Skip HST Filter and request processing.
Inside…
Outside…
And a lot of errors 

[INFO] [talledLocalContainer] 11.10.2018 12:57:56 WARN http-nio-8080-exec-6 [CmsRestSecurityValve.invoke:131] NullPointerException while processing CMS REST credentials : java.lang.NullPointerException
[INFO] [talledLocalContainer] 11.10.2018 12:57:56 WARN Thread-43 [RestProxyServicesManager$2.run:150] Site for contextPath /site is not live. Re-checking in 60379 milliseconds. Cause: javax.ws.rs.InternalServerErrorException: HTTP 500 Internal Server Error
[INFO] [talledLocalContainer] 11.10.2018 13:01:58 WARN http-nio-8080-exec-6 [CmsRestSecurityValve.invoke:131] NullPointerException while processing CMS REST credentials : java.lang.NullPointerException
[INFO] [talledLocalContainer] 11.10.2018 13:01:58 WARN http-nio-8080-exec-8 [BlueprintStore.getBlueprints:138] Failed to load blueprint for one or more rest proxies : java.util.concurrent.ExecutionException: javax.ws.rs.InternalServerErrorException: HTTP 500 Internal Server Error
[INFO] [talledLocalContainer] 11.10.2018 13:01:58 WARN http-nio-8080-exec-7 [CmsRestSecurityValve.invoke:131] NullPointerException while processing CMS REST credentials : java.lang.NullPointerException
[INFO] [talledLocalContainer] 11.10.2018 13:01:58 WARN http-nio-8080-exec-8 [ChannelStore.canModifyChannels:420] Rest proxies did not return valid response whether user can modify channels. Return false as default
[INFO] [talledLocalContainer] 11.10.2018 13:01:58 WARN http-nio-8080-exec-4 [CmsRestSecurityValve.invoke:131] NullPointerException while processing CMS REST credentials : java.lang.NullPointerException
[INFO] [talledLocalContainer] 11.10.2018 13:01:58 WARN http-nio-8080-exec-8 [ChannelStore.canModifyChannels:420] Rest proxies did not return valid response whether user can modify channels. Return false as default
[INFO] [talledLocalContainer] 11.10.2018 13:02:03 WARN http-nio-8080-exec-10 [CmsRestSecurityValve.invoke:131] NullPointerException while processing CMS REST credentials : java.lang.NullPointerException
[INFO] [talledLocalContainer] 11.10.2018 13:02:03 WARN http-nio-8080-exec-2 [ChannelStore.loadChannels:508] Failed to load the channels for one or more rest proxies: java.util.concurrent.ExecutionException: javax.ws.rs.InternalServerErrorException: HTTP 500 Internal Server Error
[INFO] [talledLocalContainer] 11.10.2018 13:02:03 WARN http-nio-8080-exec-5 [CmsRestSecurityValve.invoke:131] NullPointerException while processing CMS REST credentials : java.lang.NullPointerException
[INFO] [talledLocalContainer] 11.10.2018 13:02:03 WARN http-nio-8080-exec-2 [ChannelStore.loadChannels:508] Failed to load the channels for one or more rest proxies: java.util.concurrent.ExecutionException: javax.ws.rs.InternalServerErrorException: HTTP 500 Internal Server Error
[INFO] [talledLocalContainer] 11.10.2018 13:02:03 WARN http-nio-8080-exec-6 [HstDelegateeFilterBean.doFilter:208] 'Request{ method='GET', scheme='http', host='10.145.6.127:8080', requestURI='/site/_rp/cafebabe-cafe-babe-cafe-babecafebabe./keepalive', queryString='null'}' can not be matched to a host. Skip HST Filter and request processing.
[INFO] [talledLocalContainer] 11.10.2018 13:02:04 WARN http-nio-8080-exec-7 [CmsRestSecurityValve.invoke:131] NullPointerException while processing CMS REST credentials : java.lang.NullPointerException
[INFO] [talledLocalContainer] 11.10.2018 13:02:04 WARN http-nio-8080-exec-1 [ChannelStore.loadChannels:508] Failed to load the channels for one or more rest proxies: java.util.concurrent.ExecutionException: javax.ws.rs.InternalServerErrorException: HTTP 500 Internal Server Error
[INFO] [talledLocalContainer] 11.10.2018 13:02:05 WARN http-nio-8080-exec-6 [CmsRestSecurityValve.invoke:131] NullPointerException while processing CMS REST credentials : java.lang.NullPointerException
[INFO] [talledLocalContainer] 11.10.2018 13:02:05 WARN http-nio-8080-exec-2 [ChannelStore.loadChannels:508] Failed to load the channels for one or more rest proxies: java.util.concurrent.ExecutionException: javax.ws.rs.InternalServerErrorException: HTTP 500 Internal Server Error
[INFO] [talledLocalContainer] 11.10.2018 13:02:24 WARN http-nio-8080-exec-1 [HstDelegateeFilterBean.doFilter:208] 'Request{ method='GET', scheme='http', host='10.145.6.127:8080', requestURI='/site/_rp/cafebabe-cafe-babe-cafe-babecafebabe./keepalive', queryString='null'}' can not be matched to a host. Skip HST Filter and request processing.
[INFO] [talledLocalContainer] 11.10.2018 13:02:24 WARN http-nio-8080-exec-9 [CmsRestSecurityValve.invoke:131] NullPointerException while processing CMS REST credentials : java.lang.NullPointerException
[INFO] [talledLocalContainer] 11.10.2018 13:02:24 WARN http-nio-8080-exec-7 [ChannelStore.loadChannels:508] Failed to load the channels for one or more rest proxies: java.util.concurrent.ExecutionException: javax.ws.rs.InternalServerErrorException: HTTP 500 Internal Server Error
[INFO] [talledLocalContainer] 11.10.2018 13:02:44 WARN http-nio-8080-exec-3 [HstDelegateeFilterBean.doFilter:208] 'Request{ method='GET', scheme='http', host='10.145.6.127:8080', requestURI='/site/_rp/cafebabe-cafe-babe-cafe-babecafebabe./keepalive', queryString='null'}' can not be matched to a host. Skip HST Filter and request processing.
[INFO] [talledLocalContainer] 11.10.2018 13:02:46 WARN http-nio-8080-exec-10 [CmsRestSecurityValve.invoke:131] NullPointerException while processing CMS REST credentials : java.lang.NullPointerException
[INFO] [talledLocalContainer] 11.10.2018 13:02:46 WARN http-nio-8080-exec-5 [ChannelStore.loadChannels:508] Failed to load the channels for one or more rest proxies: java.util.concurrent.ExecutionException: javax.ws.rs.InternalServerErrorException: HTTP 500 Internal Server Error
[INFO] [talledLocalContainer] 11.10.2018 13:03:05 WARN http-nio-8080-exec-6 [HstDelegateeFilterBean.doFilter:208] 'Request{ method='GET', scheme='http', host='10.145.6.127:8080', requestURI='/site/_rp/cafebabe-cafe-babe-cafe-babecafebabe./keepalive', queryString='null'}' can not be matched to a host. Skip HST Filter and request processing.
[INFO] [talledLocalContainer] 11.10.2018 13:03:06 WARN http-nio-8080-exec-8 [CmsRestSecurityValve.invoke:131] NullPointerException while processing CMS REST credentials : java.lang.NullPointerException
[INFO] [talledLocalContainer] 11.10.2018 13:03:06 WARN http-nio-8080-exec-2 [ChannelStore.loadChannels:508] Failed to load the channels for one or more rest proxies: java.util.concurrent.ExecutionException: javax.ws.rs.InternalServerErrorException: HTTP 500 Internal Server Error
But if i enter the first time from the host machine…
main:
[echo] Press Ctrl-C to stop the Cargo container...
[INFO] [talledLocalContainer] 11.10.2018 13:07:44 ERROR http-nio-8080-exec-6 [DefaultExceptionMapper.mapExpectedExceptions:144] Connection lost, give up responding.
[INFO] [talledLocalContainer] org.apache.wicket.protocol.http.servlet.ResponseIOException: org.apache.catalina.connector.ClientAbortException: java.io.IOException: Tubería rota
[INFO] [talledLocalContainer] at org.apache.wicket.protocol.http.servlet.ServletWebResponse.write(ServletWebResponse.java:126)
[INFO] [talledLocalContainer] at org.apache.wicket.protocol.http.HeaderBufferingWebResponse.write(HeaderBufferingWebResponse.java:182)
[INFO] [talledLocalContainer] at org.apache.wicket.request.resource.PackageResource$1.writeData(PackageResource.java:328)
[INFO] [talledLocalContainer] at org.apache.wicket.request.resource.AbstractResource.respond(AbstractResource.java:528)
[INFO] [talledLocalContainer] at org.apache.wicket.request.handler.resource.ResourceRequestHandler.respond(ResourceRequestHandler.java:75)
[INFO] [talledLocalContainer] at org.apache.wicket.request.handler.resource.ResourceReferenceRequestHandler.respond(ResourceReferenceRequestHandler.java:108)
[INFO] [talledLocalContainer] at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:890)
[INFO] [talledLocalContainer] at org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
[INFO] [talledLocalContainer] at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:261)
[INFO] [talledLocalContainer] at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:218)
[INFO] [talledLocalContainer] at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:289)
[INFO] [talledLocalContainer] at org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:259)
[INFO] [talledLocalContainer] at org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:201)
[INFO] [talledLocalContainer] at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:282)
[INFO] [talledLocalContainer] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
[INFO] [talledLocalContainer] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] at org.hippoecm.frontend.plugins.login.ConcurrentLoginFilter.doFilter(ConcurrentLoginFilter.java:54)
[INFO] [talledLocalContainer] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
[INFO] [talledLocalContainer] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
[INFO] [talledLocalContainer] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
[INFO] [talledLocalContainer] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
[INFO] [talledLocalContainer] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
[INFO] [talledLocalContainer] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
[INFO] [talledLocalContainer] at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
[INFO] [talledLocalContainer] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
[INFO] [talledLocalContainer] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)
[INFO] [talledLocalContainer] at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1100)
[INFO] [talledLocalContainer] at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:687)
[INFO] [talledLocalContainer] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)
[INFO] [talledLocalContainer] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)
[INFO] [talledLocalContainer] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
[INFO] [talledLocalContainer] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
[INFO] [talledLocalContainer] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
[INFO] [talledLocalContainer] at java.lang.Thread.run(Thread.java:748)
[INFO] [talledLocalContainer] Caused by: org.apache.catalina.connector.ClientAbortException: java.io.IOException: Tubería rota
[INFO] [talledLocalContainer] at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:396)
[INFO] [talledLocalContainer] at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:426)
[INFO] [talledLocalContainer] at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:339)
[INFO] [talledLocalContainer] at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:421)
[INFO] [talledLocalContainer] at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:409)
[INFO] [talledLocalContainer] at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:97)
[INFO] [talledLocalContainer] at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:90)
[INFO] [talledLocalContainer] at org.apache.wicket.protocol.http.servlet.ServletWebResponse.write(ServletWebResponse.java:122)
[INFO] [talledLocalContainer] ... 34 more
[INFO] [talledLocalContainer] Caused by: java.io.IOException: Tubería rota
[INFO] [talledLocalContainer] at sun.nio.ch.FileDispatcherImpl.write0(Native Method)
[INFO] [talledLocalContainer] at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47)
[INFO] [talledLocalContainer] at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)
[INFO] [talledLocalContainer] at sun.nio.ch.IOUtil.write(IOUtil.java:65)
[INFO] [talledLocalContainer] at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:471)
[INFO] [talledLocalContainer] at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:124)
[INFO] [talledLocalContainer] at org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:101)
[INFO] [talledLocalContainer] at org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:172)
[INFO] [talledLocalContainer] at org.apache.coyote.http11.InternalNioOutputBuffer.writeToSocket(InternalNioOutputBuffer.java:139)
[INFO] [talledLocalContainer] at org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:197)
[INFO] [talledLocalContainer] at org.apache.coyote.http11.InternalNioOutputBuffer.access$000(InternalNioOutputBuffer.java:41)
[INFO] [talledLocalContainer] at org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:320)
[INFO] [talledLocalContainer] at org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:84)
[INFO] [talledLocalContainer] at org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:256)
[INFO] [talledLocalContainer] at org.apache.coyote.Response.doWrite(Response.java:491)
[INFO] [talledLocalContainer] at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:391)
[INFO] [talledLocalContainer] ... 41 more
[INFO] [talledLocalContainer] 11.10.2018 13:07:50 WARN http-nio-8080-exec-9 [CmsRestSecurityValve.invoke:131] NullPointerException while processing CMS REST credentials : java.lang.NullPointerException
[INFO] [talledLocalContainer] 11.10.2018 13:07:51 WARN Thread-41 [RestProxyServicesManager$2.run:150] Site for contextPath /site is not live. Re-checking in 64286 milliseconds. Cause: javax.ws.rs.InternalServerErrorException: HTTP 500 Internal Server Error
But from the host, works! without restart…
I’m lost!