在后台连接了一个websocket连接,每60s就报如下错误,有知道这是什么情况的吗?
2020-09-10 14:22:40 [Catalina-utility-1] ERROR org.apache.coyote.http11.Http11NioProtocol -Error processing async timeouts
java.util.concurrent.ExecutionException: java.lang.AbstractMethodError: Method org/apache/tomcat/websocket/server/WsHttpUpgradeHandler.timeoutAsync(J)V is abstract
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at org.apache.coyote.AbstractProtocol.startAsyncTimeout(AbstractProtocol.java:615)
at org.apache.coyote.AbstractProtocol$1.run(AbstractProtocol.java:598)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)