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Add more detail to ISE in ServerEndpointExporter 

Issue: SPR-16655
This commit is contained in:
Rossen Stoyanchev 2018-04-23 17:03:09 -04:00
parent a5622d0dd2
commit c23297fe76
1 changed files with 6 additions and 2 deletions
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8
spring-websocket/src/main/java/org/springframework/web/socket/server/standard/ServerEndpointExporter.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -143,7 +143,11 @@ public class ServerEndpointExporter extends WebApplicationObjectSupport
private void registerEndpoint(Class<?> endpointClass) {
ServerContainer serverContainer = getServerContainer();
Assert.state(serverContainer != null, "No ServerContainer set");
Assert.state(serverContainer != null,
"No ServerContainer set. Most likely the server's own WebSocket ServletContainerInitializer " +
"has not run yet. Was the Spring ApplicationContext refreshed through a " +
"org.springframework.web.context.ContextLoaderListener, " +
"i.e. after the ServletContext has been fully initialized?");
try {
if (logger.isInfoEnabled()) {
logger.info("Registering @ServerEndpoint class: " + endpointClass);