[#noissue] Ignores exceptions while finding inactive agents

[smilu97]

Traversing all applications to find inactive agents may take tremendous time to query Hbase, and be likely to lose all information in inactiveAgentMap by unavoidable exception on the way.

It logs exceptions while traversing applications, and keeps scope from those.

[codecov[bot]]

Codecov Report

Merging #9011 (2acd45e) into master (a8c8e20) will decrease coverage by 0.00%. The diff coverage is 71.42%.

@@             Coverage Diff              @@
##             master    #9011      +/-   ##
============================================
- Coverage     39.74%   39.74%   -0.01%     
- Complexity    11794    11797       +3     
============================================
  Files          3347     3347              
  Lines         90823    90827       +4     
  Branches      10053    10053              
============================================
- Hits          36101    36099       -2     
- Misses        51626    51634       +8     
+ Partials       3096     3094       -2     

Impacted Files	Coverage Δ
...vercorp/pinpoint/web/service/AdminServiceImpl.java	75.00% <71.42%> (-1.63%)	:arrow_down:
...pinpoint/rpc/ChannelWriteFailListenableFuture.java	42.85% <0.00%> (-28.58%)	:arrow_down:
...r/context/storage/AsyncQueueingUriStatStorage.java	69.11% <0.00%> (-16.18%)	:arrow_down:
...vercorp/pinpoint/rpc/packet/ClientClosePacket.java	46.66% <0.00%> (-6.67%)	:arrow_down:
...java/com/navercorp/pinpoint/rpc/DefaultFuture.java	74.31% <0.00%> (-1.84%)	:arrow_down:
...orp/pinpoint/rpc/server/DefaultPinpointServer.java	80.65% <0.00%> (-0.42%)	:arrow_down:
...vercorp/pinpoint/web/service/AlarmServiceImpl.java	0.00% <0.00%> (ø)
...pinpoint/profiler/monitor/DeadlockMonitorTask.java	21.59% <0.00%> (+1.13%)	:arrow_up:
...point/rpc/client/DefaultPinpointClientHandler.java	71.83% <0.00%> (+1.40%)	:arrow_up:
... and 4 more

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