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Details

Type: Bug
Resolution: Unresolved
Priority: Critical
Fix Version/s: None
Affects Version/s: 2.0.29.Final
Component/s: Core
Labels:
None

Steps to Reproduce:

Hide

To use the standard websocket JSR annotation and send the websocket message with

code lines below:

session.getAsyncRemote().sendText(message);

Show
To use the standard websocket JSR annotation and send the websocket message with code lines below: session.getAsyncRemote().sendText(message);

Description

I am using Spring Cloud Hoxton SR3 and the embed undertow is on 2.0.29.Final. I use @

ServerEndpoint to do with websocket. After days of running my service, it's facing OOM error and the heap dump shows that a lot of ClosedChannelException were raised in io.undertow.websockets.jsr.SendResultFuture.

The thread org.xnio.nio.WorkerThread @ 0x8acb68b0 ~~XNIO-1~~ I/O-2 keeps local variables with total size 1,013,658,912 (60.94%) bytes.
The memory is accumulated in one instance of "java.lang.Object[]" loaded by "<system class loader>".

Is this a bug?