https://bz.apache.org/bugzilla/show_bug.cgi?id=58223
Bug ID: 58223
Summary: WsSession.getOpenSessions breaks API contract
Product: Tomcat 7
Version: 7.0.63
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: WebSocket
Assignee: [email protected]
Reporter: [email protected]
Created attachment 32981
--> https://bz.apache.org/bugzilla/attachment.cgi?id=32981&action=edit
annotated WebSocket server demonstrating issue
Somewhere between 7.0.55 and 7.0.63, the behavior of WsSession.getOpenSessions
was broken in such a way that it now returns only the current session, not all
open sessions as specified by the API documents for javax.websocket.Session.
The attached tarball contains a minimal example that exhibits the issue, using
these steps:
* mvn package to build the war (tomcat-ws-bug.war)
Working behavior:
* deploy war to Tomcat 7.0.55
a) use Tomcat's examples/websocket/echo.xhtml to connect to
ws://<your-server>/tomcat-ws-bug/broadcast from more than one browser window
* send a message, confirm that it's received in all connected browsers
* verify that logs/catalina.out shows "<n> open sessions" for n = the number
of connected browsers
Broken behavior:
* deploy war to Tomcat 7.0.63
* repeat a) above
* note that the message is only sent back to the sender, not to other
connected browsers
* note that logs/catalina.out shows "1 open sessions", regardless of the
number of connected browsers
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