How do I resolve "Network Communication Error" in the Controller UI?
Table of Contents
Symptoms
The following "Network Communication Error" appears in the Controller UI:
Diagnosis
Error message in <controller_home>/logs/server.log:
[INFO|glassfish3.1.2|javax.enterprise.system.std.com.sun.enterprise.server.l ogging|_ThreadID=58;_ThreadName=Thread-5;|[BlazeDS] 05/24/2017 16:07:50.527 [ERROR] [Endpoint.General] Unexpected error encountered in Message Broker servlet
flex.messaging.security.SecurityException: Secure endpoint '/messagebroker/amfsecure' must be contacted via a secure protocol.
at flex.messaging.endpoints.AbstractEndpoint.validateRequestProtocol(AbstractEndpoint.java:1368)
at flex.messaging.endpoints.AbstractEndpoint.service(AbstractEndpoint.java:935)
at flex.messaging.endpoints.BaseHTTPEndpoint.service(BaseHTTPEndpoint.java:312)
at flex.messaging.MessageBrokerServlet.service(MessageBrokerServlet.java:373)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:770)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1550)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:343 )
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:89)
at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:119)
at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:133)
at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:130)
at com.google.inject.servlet.GuiceFilter$Context.call(GuiceFilter.java:203)
at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:130)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter[INFO|glassfish3.1.2|javax.enterprise.system.std.com.sun.enterprise.server.l ogging|_ThreadID=58;_ThreadName=Thread-5;|[BlazeDS] [ERROR] [Endpoint.General] Unexpected error encountered in Message Broker servlet
flex.messaging.security.SecurityException: Secure endpoint '/messagebroker/amfsecure' must be contacted via a secure protocol.
at flex.messaging.endpoints.AbstractEndpoint.validateRequestProtocol(AbstractEndpoint.java:1368)
at flex.messaging.endpoints.AbstractEndpoint.service(AbstractEndpoint.java:935)
at flex.messaging.endpoints.BaseHTTPEndpoint.service(BaseHTTPEndpoint.java:312)
at flex.messaging.MessageBrokerServlet.service(MessageBrokerServlet.java:373)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:770)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1550)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:343 )
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:89)
at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:119)
at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:133)
at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:130)
at com.google.inject.servlet.GuiceFilter$Context.call(GuiceFilter.java:203)
at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:130)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256 )
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at com.singularity.ee.controller.servlet.CsrfFilter.doFilter(CsrfFilter.java:84)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256 )
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at com.singularity.ee.controller.servlet.RequestOriginMarkingFilter.doFilter(RequestOriginMarkingFi lter.java:26)
Solution
This issue occurs when an SSL-terminating proxy is redirecting requests to the Controller and the Controller is not configured to handle these requests.
To resolve this issue, follow the steps int the documentation under "Configure the Controller for SSL Termination at the Proxy."
