https://bz.apache.org/bugzilla/show_bug.cgi?id=63114
Bug ID: 63114
Summary: Async methods do not call handler on exception
Product: Tomcat 9
Version: 9.0.14
Hardware: PC
OS: Linux
Status: NEW
Severity: major
Priority: P2
Component: WebSocket
Assignee: dev@tomcat.apache.org
Reporter: boris_pet...@live.com
Target Milestone: -----
While debugging another issue, we noticed that some (most?) async methods at
least in WsRemoteEndpointImplBase do not call the handler when erring but
rather throw an exception. Here are examples:
https://github.com/apache/tomcat/blob/TOMCAT_9_0_14/java/org/apache/tomcat/websocket/WsRemoteEndpointImplBase.java#L204
https://github.com/apache/tomcat/blob/TOMCAT_9_0_14/java/org/apache/tomcat/websocket/WsRemoteEndpointImplBase.java#L207
https://github.com/apache/tomcat/blob/TOMCAT_9_0_14/java/org/apache/tomcat/websocket/WsRemoteEndpointImplBase.java#L1224
https://github.com/apache/tomcat/blob/TOMCAT_9_0_14/java/org/apache/tomcat/websocket/WsRemoteEndpointImplBase.java#L799
These are coming from the "sendStringByCompletion" method. There's more async
methods in this class and at least some of them have the same issues.
I think this is a bug. The SendHandler's onResult method should be called
instead.
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