Play フレームワークでいくつかのジョブを実行しましたが、突然停止しました。TRACE を使用し、最終的にこれを取得しました =>
20:07:08,999 TRACE ~ connection already null in cleanup : no action
20:07:28,540 TRACE ~ 0 idle channels closed (times: 1st-loop=0, 2nd-loop=0).
20:08:28,554 DEBUG ~ Closing Idle Channel [id: 0x01b140e8, /0.0.0.0:3699 => /190.144.216.75:80]
20:08:28,554 TRACE ~ 1 idle channels closed (times: 1st-loop=0, 2nd-loop=0).
20:08:28,554 DEBUG ~ Channel Closed: [id: 0x01b140e8, /0.0.0.0:3699 :> /190.144.216.75:80] with attachment com.ning.http.client.providers.netty.NettyAsyncHttpProvider$DiscardEvent@272393
20:09:28,569 TRACE ~ 0 idle channels closed (times: 1st-loop=0, 2nd-loop=0).
20:10:28,583 TRACE ~ 0 idle channels closed (times: 1st-loop=0, 2nd-loop=0).
20:11:28,597 TRACE ~ 0 idle channels closed (times: 1st-loop=0, 2nd-loop=0).
20:12:28,612 TRACE ~ 0 idle channels closed (times: 1st-loop=0, 2nd-loop=0).
20:13:28,626 TRACE ~ 0 idle channels closed (times: 1st-loop=0, 2nd-loop=0).
20:14:28,640 TRACE ~ 0 idle channels closed (times: 1st-loop=0, 2nd-loop=0).
20:15:28,655 TRACE ~ 0 idle channels closed (times: 1st-loop=0, 2nd-loop=0).
ログには何も表示されませんException