[hannel,192.168.0.46:40014] 15:08:03,642 - ERROR - org.jgroups.protocols.UDP - failed sending message to null (61 bytes)
java.lang.Exception: dest=/225.1.2.46:30446 (64 bytes)
at org.jgroups.protocols.UDP._send(UDP.java:333)
at org.jgroups.protocols.UDP.sendToAllMembers(UDP.java:283)
at org.jgroups.protocols.TP.doSend(TP.java:1327)
at org.jgroups.protocols.TP.send(TP.java:1317)
at org.jgroups.protocols.TP.down(TP.java:1038)
at org.jgroups.protocols.PING.sendMcastDiscoveryRequest(PING.java:220)
at org.jgroups.protocols.PING.sendGetMembersRequest(PING.java:214)
at org.jgroups.protocols.Discovery$PingSenderTask$1.run(Discovery.java:385)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:417)
at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:280)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:135)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:65)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:142)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:166)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.io.InterruptedIOException: operation interrupted
at java.net.PlainDatagramSocketImpl.send(Native Method)
at java.net.DatagramSocket.send(DatagramSocket.java:612)
at org.jgroups.protocols.UDP._send(UDP.java:324)
... 16 more
これは、サーバーでの負荷テスト中に発生しています。私はそれについて心配する必要があります。ログにそのメッセージが記録されることを除けば、すべて正常に動作しているようです。