We are using Ignition Version 8.1.7.
We have added few reporting parameters like Flow total etc. in the existing report.
After that report won't showing design or preview. Throwing below error while preview.
We had tried two times, however not able to open design once close after update the tags.
Detailed found in the gateway log
INFO | jvm 1 | 2021/11/03 04:19:23 | W [o.e.j.w.c.e.JettyAnnotatedEventDriver] [10:19:23]: Unable to report throwable to websocket (no @OnWebSocketError handler declared): com.inductiveautomation.perspective.gateway.comm.WebSocketChannel
INFO | jvm 1 | 2021/11/03 04:19:23 | org.eclipse.jetty.websocket.api.CloseException: java.util.concurrent.TimeoutException: Idle timeout expired: 300013/300000 ms
INFO | jvm 1 | 2021/11/03 04:19:23 | at org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.onReadTimeout(AbstractWebSocketConnection.java:567)
INFO | jvm 1 | 2021/11/03 04:19:23 | at org.eclipse.jetty.io.AbstractConnection.onFillInterestedFailed(AbstractConnection.java:172)
INFO | jvm 1 | 2021/11/03 04:19:23 | at org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.onFillInterestedFailed(AbstractWebSocketConnection.java:540)
INFO | jvm 1 | 2021/11/03 04:19:23 | at org.eclipse.jetty.io.AbstractConnection$ReadCallback.failed(AbstractConnection.java:317)
INFO | jvm 1 | 2021/11/03 04:19:23 | at org.eclipse.jetty.io.FillInterest.onFail(FillInterest.java:138)
INFO | jvm 1 | 2021/11/03 04:19:23 | at org.eclipse.jetty.io.AbstractEndPoint.onIdleExpired(AbstractEndPoint.java:407)
INFO | jvm 1 | 2021/11/03 04:19:23 | at org.eclipse.jetty.io.IdleTimeout.checkIdleTimeout(IdleTimeout.java:171)
INFO | jvm 1 | 2021/11/03 04:19:23 | at org.eclipse.jetty.io.IdleTimeout.idleCheck(IdleTimeout.java:113)
INFO | jvm 1 | 2021/11/03 04:19:23 | at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
INFO | jvm 1 | 2021/11/03 04:19:23 | at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
INFO | jvm 1 | 2021/11/03 04:19:23 | at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
INFO | jvm 1 | 2021/11/03 04:19:23 | at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
INFO | jvm 1 | 2021/11/03 04:19:23 | at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
INFO | jvm 1 | 2021/11/03 04:19:23 | at java.base/java.lang.Thread.run(Unknown Source)
INFO | jvm 1 | 2021/11/03 04:19:23 | Caused by: java.util.concurrent.TimeoutException: Idle timeout expired: 300013/300000 ms
INFO | jvm 1 | 2021/11/03 04:19:23 | ... 8 common frames omitted
INFO | jvm 1 | 2021/11/03 04:19:23 | I [p.DesignSession ] [10:19:23]: WebSocket disconnected from session. session-project=xxx
Please help.