tree 49beb5e37460c1966192b89caf203eb686a12958
parent f59ca9ed4ce61f04ceec581110c9cde16d71c426
author Kieran McPeake <kmcpeake@juniper.net> 1559899349 +0100
committer Andrea Campanella <andrea@opennetworking.org> 1560159645 +0000

Cleaner warning if a NETCONF session to Juniper device not yet established.

Old version gave in logs ...
2019-06-06T09:34:46,730 | WARN  | FlowRuleDriverProvider-0 | FlowRuleDriverProvider           | 191 - org.onosproject.onos-core-net - 2.2.0.SNAPSHOT | Exception thrown while polling netconf:172.26.138.38:830
java.lang.NullPointerException: null
	at org.onosproject.drivers.juniper.FlowRuleJuniperImpl.getFlowEntries(FlowRuleJuniperImpl.java:92) ~[?:?]
	at org.onosproject.net.flow.impl.FlowRuleDriverProvider.pollDeviceFlowEntries(FlowRuleDriverProvider.java:193) ~[?:?]
	at org.onosproject.net.flow.impl.FlowRuleDriverProvider.access$500(FlowRuleDriverProvider.java:63) ~[?:?]
	at org.onosproject.net.flow.impl.FlowRuleDriverProvider$InternalDeviceListener.handleEvent(FlowRuleDriverProvider.java:249) ~[?:?]
	at org.onosproject.net.flow.impl.FlowRuleDriverProvider$InternalDeviceListener.lambda$event$0(FlowRuleDriverProvider.java:233) ~[?:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:?]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:?]
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [?:?]
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [?:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:?]
	at java.lang.Thread.run(Thread.java:745) [?:?]

New version gives ...
2019-06-07T09:36:07,924 | WARN  | FlowRuleDriverProvider-0 | JuniperAbstractHandlerBehaviour  | 218 - org.onosproject.onos-drivers-juniper - 2.2.0.SNAPSHOT | NETCONF session to device netconf:172.26.138.68:830 not yet established, will be retried

Note in new version this lookup code refactored to be in one place.

Change-Id: Ic78c5ecc67e8e98d14da845d0541d980296750a5