exceptions from nio are not handled in RelpHandler

[kortemik]

RelpLogger.flush.commit> exception:
java.io.IOException: Connection reset by peer
at java.base/sun.nio.ch.FileDispatcherImpl.write0(Native Method)
at java.base/sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47)
at java.base/sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:113)
at java.base/sun.nio.ch.IOUtil.write(IOUtil.java:58)
at java.base/sun.nio.ch.IOUtil.write(IOUtil.java:50)
at java.base/sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:466)
at com.teragrep.rlp_01.RelpConnection.sendRelpRequestAsync(RelpConnection.java:388)
at com.teragrep.rlp_01.RelpConnection.sendBatch(RelpConnection.java:244)
at com.teragrep.rlp_01.RelpConnection.commit(RelpConnection.java:214)
at com.teragrep.jla_04.RelpHandler.flush(RelpHandler.java:111)
at com.teragrep.jla_04.RelpHandler.publish(RelpHandler.java:101)
at java.logging/java.util.logging.Logger.log(Logger.java:979)
at java.logging/java.util.logging.Logger.doLog(Logger.java:1006)
at java.logging/java.util.logging.Logger.log(Logger.java:1029)
at java.logging/java.util.logging.Logger.finest(Logger.java:1854)

This should be handled as a retry at either of the two possible locations within jla_04:

at com.teragrep.jla_04.RelpHandler.flush(RelpHandler.java:111)
at com.teragrep.jla_04.RelpHandler.publish(RelpHandler.java:101)

[kortemik]

RelpLogger.flush.commit> exception:
java.io.IOException: Connection reset by peer

seems like a print out from https://github.com/teragrep/jla_04/blob/master/src/main/java/com/teragrep/jla_04/RelpHandler.java#L113