https://bz.apache.org/bugzilla/show_bug.cgi?id=63753
Bug ID: 63753
Summary: unnecessary websocket request host header port number
checking
Product: Tomcat 9
Version: 9.0.x
Hardware: All
OS: All
Status: NEW
Severity: trivial
Priority: P2
Component: WebSocket
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: -----
WsWebSocketContainer::createRequestHeaders intends to check whether the port
number is -1 or not.
// Host header
List<String> hostValues = new ArrayList<>(1);
if (port == -1) {
hostValues.add(host);
} else {
hostValues.add(host + ':' + port);
}
However, before createRequestHeaders method is called, the port number is set
to 80 and 443 in connectToServerRecursive method. The value of port cannot be
-1.
if (port == -1) {
if ("ws".equalsIgnoreCase(scheme)) {
port = 80;
} else {
// Must be wss due to scheme validation above
port = 443;
}
}
I think it is side effect of revision 230c1083fd9f10ec50ccd1d15032f2df29e4de2c.
(git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1780109
13f79535-47bb-0310-9956-ffa450edef68). It is better to remove the code.
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