A deadlock is possible in

http-/0.0.0.0:8080-1":

        at org.apache.tomcat.websocket.server.WsRemoteEndpointImplServer.onWritePossible(WsRemoteEndpointImplServer.java:93)

        - waiting to lock <0x00000006dee6a1a8> (a java.nio.HeapByteBuffer)

        - locked <0x00000006dee6a200> (a java.lang.Object)

        at org.apache.tomcat.websocket.server.WsHttpUpgradeHandler$WsWriteListener.onWritePossible(WsHttpUpgradeHandler.java:243)

        at org.apache.catalina.core.StandardWrapperValve.async(StandardWrapperValve.java:605)

        at org.apache.catalina.core.StandardWrapperValve.event(StandardWrapperValve.java:350)

        at org.apache.catalina.core.StandardContextValve.event(StandardContextValve.java:171)

        at org.apache.catalina.valves.ValveBase.event(ValveBase.java:185)

        at org.apache.catalina.core.StandardHostValve.event(StandardHostValve.java:252)

        at org.apache.catalina.valves.ValveBase.event(ValveBase.java:185)

        at org.apache.catalina.core.StandardEngineValve.event(StandardEngineValve.java:121)

        at org.apache.catalina.connector.CoyoteAdapter.event(CoyoteAdapter.java:228)

        at org.apache.coyote.http11.Http11NioProcessor.event(Http11NioProcessor.java:232)

        at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.event(Http11NioProtocol.java:818)

        at org.apache.tomcat.util.net.NioEndpoint$ChannelProcessor.run(NioEndpoint.java:939)

        - locked <0x00000006deeeb9c0> (a java.lang.Object)

        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

        at org.apache.tomcat.util.net.NioEndpoint$DefaultThreadFactory$1$1.run(NioEndpoint.java:1249)

        at java.lang.Thread.run(Thread.java:745)

"EJB default - 1":

        at org.apache.tomcat.websocket.server.WsRemoteEndpointImplServer.onWritePossible(WsRemoteEndpointImplServer.java:81)

        - waiting to lock <0x00000006dee6a200> (a java.lang.Object)

        at org.apache.tomcat.websocket.server.WsRemoteEndpointImplServer.doWrite(WsRemoteEndpointImplServer.java:76)

        at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.writeMessagePart(WsRemoteEndpointImplBase.java:444)

        at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.startMessage(WsRemoteEndpointImplBase.java:334)

        at org.apache.tomcat.websocket.WsRemoteEndpointImplBase$TextMessageSendHandler.write(WsRemoteEndpointImplBase.java:741)

        - locked <0x00000006dee6a1a8> (a java.nio.HeapByteBuffer)

        at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendPartialString(WsRemoteEndpointImplBase.java:239)

        at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendString(WsRemoteEndpointImplBase.java:182)

        at org.apache.tomcat.websocket.WsRemoteEndpointBasic.sendText(WsRemoteEndpointBasic.java:37)