thank you for response and this solution did work.
but getting new error on edge gateway frequently and here is error.
" |ServiceManager|09Jul2020 12:02:43|Error retrieving remote service availability. Unexpected error.|
| — | — | — |
|WebSocketConnection|09Jul2020 12:02:43|-> outgoing local=‘ignition-Edge’ remote=‘ignition-central+gateway’ method=doSend: [ignition-Edge] IOException thrown, error was ignition-central+gateway failed to respond, header=[opCode=MSG_SEND, subCode=0, flags=0, messageId=8377, senderId=‘ignition-Edge’, targetAddress=’_0:0:Ignition-Central Gateway’]|
|ServiceManager|09Jul2020 12:00:43|Error retrieving remote service availability. Unexpected error.|
|WebSocketConnection|09Jul2020 12:00:43|-> outgoing local=‘ignition-Edge’ remote=‘ignition-central+gateway’ method=doSend: [ignition-Edge] IOException thrown, error was ignition-central+gateway failed to respond, header=[opCode=MSG_SEND, subCode=0, flags=0, messageId=8054, senderId=‘ignition-Edge’, targetAddress=’_0:0:Ignition-Central Gateway’]|
|InternalDatabase|09Jul2020 12:00:28|Created auto-backup of internal database “config.idb” in 742 ms|
|InternalDatabase|09Jul2020 12:00:27|Creating auto-backup of internal database “config.idb”…|
|LocalAlarmJournal|09Jul2020 11:59:56|Alarm journal system started.|
|LocalAlarmJournal|09Jul2020 11:59:56|Alarm journal initialized successfully.|
|StoreAndForward.Sink.Edge Historian|09Jul2020 11:59:56|History sink ‘Edge Historian’ started successfully.|
|RemoteHistorianSink|09Jul2020 11:59:56|Remote sink service state changed to ‘Available’|
|HistorianSyncable|09Jul2020 11:59:56|Starting remote synchronization for ‘Edge Historian’|
|RetryExec|09Jul2020 11:59:43|Retrying request to {}->http:ignition-central+gateway|
|RetryExec|09Jul2020 11:59:43|I/O exception (org.apache.http.NoHttpResponseException) caught when processing request to {}->http:ignition-central+gateway: The target server failed to respond|
|ServiceManager|09Jul2020 11:57:43|Error retrieving remote service availability. Unexpected error.|
|WebSocketConnection|09Jul2020 11:57:43|-> outgoing local=‘ignition-Edge’ remote=‘ignition-central+gateway’ method=doSend: [ignition-Edge] IOException thrown, error was ignition-central+gateway failed to respond, header=[opCode=MSG_SEND, subCode=0, flags=0, messageId=7580, senderId=‘ignition-Edge’, targetAddress=’_0:0:Ignition-Central Gateway’]|
|RetryExec|09Jul2020 11:56:43|Retrying request to {}->http://remote gateway|"