[2014-10-20 10:28:13,128][WARN ][netty.channel.DefaultChannelPipeline] An exception was thrown by an exception handler.
java.util.concurrent.RejectedExecutionException: Worker has already been shutdown
        at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioSelector.registerTask(AbstractNioSelector.java:120)
        at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioWorker.executeInIoThread(AbstractNioWorker.java:72)
        at org.elasticsearch.common.netty.channel.socket.nio.NioWorker.executeInIoThread(NioWorker.java:36)
        at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioWorker.executeInIoThread(AbstractNioWorker.java:56)
        at org.elasticsearch.common.netty.channel.socket.nio.NioWorker.executeInIoThread(NioWorker.java:36)
        at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioChannelSink.execute(AbstractNioChannelSink.java:34)
        at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.execute(DefaultChannelPipeline.java:636)
        at org.elasticsearch.common.netty.channel.Channels.fireExceptionCaughtLater(Channels.java:496)
        at org.elasticsearch.common.netty.channel.AbstractChannelSink.exceptionCaught(AbstractChannelSink.java:46)
        at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.notifyHandlerException(DefaultChannelPipeline.java:658)
        at org.elasticsearch.common.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendDownstream(DefaultChannelPipeline.java:781)
        at org.elasticsearch.common.netty.channel.Channels.write(Channels.java:725)
        at org.elasticsearch.common.netty.handler.codec.oneone.OneToOneEncoder.doEncode(OneToOneEncoder.java:71)
        at org.elasticsearch.common.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(OneToOneEncoder.java:59)
        at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendDownstream(DefaultChannelPipeline.java:591)
        at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendDownstream(DefaultChannelPipeline.java:582)
        at org.elasticsearch.common.netty.channel.Channels.write(Channels.java:704)
        at org.elasticsearch.common.netty.channel.Channels.write(Channels.java:671)
        at org.elasticsearch.common.netty.channel.AbstractChannel.write(AbstractChannel.java:248)
        at org.elasticsearch.http.netty.NettyHttpChannel.sendResponse(NettyHttpChannel.java:163)
        at org.elasticsearch.rest.action.support.RestResponseListener.processResponse(RestResponseListener.java:43)
        at org.elasticsearch.rest.action.support.RestActionListener.onResponse(RestActionListener.java:49)
        at org.elasticsearch.action.search.type.TransportSearchQueryThenFetchAction$AsyncAction.innerFinishHim(TransportSearchQueryThenFetchAction.java:156)
        at org.elasticsearch.action.search.type.TransportSearchQueryThenFetchAction$AsyncAction.finishHim(TransportSearchQueryThenFetchAction.java:138)
        at org.elasticsearch.action.search.type.TransportSearchQueryThenFetchAction$AsyncAction.onFetchFailure(TransportSearchQueryThenFetchAction.java:132)
        at org.elasticsearch.action.search.type.TransportSearchQueryThenFetchAction$AsyncAction$1.onFailure(TransportSearchQueryThenFetchAction.java:120)
        at org.elasticsearch.search.action.SearchServiceTransportAction$18.handleException(SearchServiceTransportAction.java:428)
        at org.elasticsearch.transport.TransportService$2.run(TransportService.java:112)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:722)