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Defer removal of Connectors until after ServletContext initialization

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Previously, we removed the Connectors from Tomcat's Service before
the Context was started. The removal of the Connectors is required as
it prevents Tomcat from accepting requests before we're ready to
handle them.

Part of starting the Context is creating and initializing the
ServletContext. ServerProperties uses a ServletContextInitializer to
set the session tracking modes and Tomcat rejects the SSL tracking
mode if there is no SSL-enabled connector available. With the previous
arrangement this led to a failure as the Connectors had been removed
so the SSL-enabled connector could not be found.

This commit updates the embedded Tomcat container to defer the
removal of the Connectors until after the context has been started
but still at a point that is before the Connectors themselves would
have been started.

Closes gh-12058
This commit is contained in:
Andy Wilkinson
2018-02-14 16:25:32 +00:00
parent f3989b1b95
commit 145d8d2673
3 changed files with 108 additions and 37 deletions
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24
spring-boot/src/main/java/org/springframework/boot/context/embedded/tomcat/TomcatEmbeddedServletContainer.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2012-2017 the original author or authors.
* Copyright 2012-2018 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.
@@ -25,7 +25,10 @@ import javax.naming.NamingException;
import org.apache.catalina.Container;
import org.apache.catalina.Context;
import org.apache.catalina.Engine;
import org.apache.catalina.Lifecycle;
import org.apache.catalina.LifecycleEvent;
import org.apache.catalina.LifecycleException;
import org.apache.catalina.LifecycleListener;
import org.apache.catalina.LifecycleState;
import org.apache.catalina.Service;
import org.apache.catalina.connector.Connector;
@@ -91,9 +94,21 @@ public class TomcatEmbeddedServletContainer implements EmbeddedServletContainer
try {
addInstanceIdToEngineName();
try {
// Remove service connectors to that protocol binding doesn't happen
// yet
removeServiceConnectors();
final Context context = findContext();
context.addLifecycleListener(new LifecycleListener() {
@Override
public void lifecycleEvent(LifecycleEvent event) {
if (context.equals(event.getSource())
&& Lifecycle.START_EVENT.equals(event.getType())) {
// Remove service connectors so that protocol
// binding doesn't happen when the service is
// started.
removeServiceConnectors();
}
}
});
// Start the server to trigger initialization listeners
this.tomcat.start();
@@ -101,7 +116,6 @@ public class TomcatEmbeddedServletContainer implements EmbeddedServletContainer
// We can re-throw failure exception directly in the main thread
rethrowDeferredStartupExceptions();
Context context = findContext();
try {
ContextBindings.bindClassLoader(context, getNamingToken(context),
getClass().getClassLoader());