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Synchronize request init in AbstractHttpSockJsSession

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Although unlikely in practice (but not impossible), the SockJS
integration tests write a message while the request is initializing.
This change adds synchronization around request intiailization
for the SockJS HTTP sesion.

This is a backport of:
https://github.com/spring-projects/spring-framework/commit/59e02e63c427659e701cc371d210faf1a85c1d42

Issue: SPR-11916
This commit is contained in:
Rossen Stoyanchev
2014-07-02 18:28:48 -04:00
parent ede2150544
commit 977c5ca439
1 changed files with 13 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
spring-websocket/src/main/java/org/springframework/web/socket/sockjs/transport/session/AbstractHttpSockJsSession.java
+13 -11
View File
@@ -201,18 +201,20 @@ public abstract class AbstractHttpSockJsSession extends AbstractSockJsSession {
this.frameFormat = frameFormat;
this.asyncRequestControl = request.getAsyncRequestControl(response);
try {
// Let "our" handler know before sending the open frame to the remote handler
delegateConnectionEstablished();
writePrelude(request, response);
writeFrame(SockJsFrame.openFrame());
if (isStreaming() && !isClosed()) {
startAsyncRequest();
synchronized (this.responseLock) {
try {
// Let "our" handler know before sending the open frame to the remote handler
delegateConnectionEstablished();
writePrelude(request, response);
writeFrame(SockJsFrame.openFrame());
if (isStreaming() && !isClosed()) {
startAsyncRequest();
}
}
catch (Throwable ex) {
tryCloseWithSockJsTransportError(ex, CloseStatus.SERVER_ERROR);
throw new SockJsTransportFailureException("Failed to open session", getId(), ex);
}
}
catch (Throwable ex) {
tryCloseWithSockJsTransportError(ex, CloseStatus.SERVER_ERROR);
throw new SockJsTransportFailureException("Failed to open session", getId(), ex);
}
}