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java.lang.OutOfMemoryError: Java heap space	at java.nio.HeapCharBuffer.(HeapCharBuffer.java:57)	at java.nio.CharBuffer.allocate(CharBuffer.java:331)	at org.jboss.netty.buffer.ChannelBuffers.decodeString(ChannelBuffers.java:1193)	at org.jboss.netty.buffer.AbstractChannelBuffer.toString(AbstractChannelBuffer.java:551)	at org.jboss.netty.buffer.AbstractChannelBuffer.toString(AbstractChannelBuffer.java:543)	at net.opentsdb.tsd.HttpQuery.getContent(HttpQuery.java:459)	at net.opentsdb.tsd.HttpJsonSerializer.parsePutV1(HttpJsonSerializer.java:133)	at net.opentsdb.tsd.PutDataPointRpc.execute(PutDataPointRpc.java:102)	at net.opentsdb.tsd.RpcHandler.handleHttpQuery(RpcHandler.java:273)	at net.opentsdb.tsd.RpcHandler.messageReceived(RpcHandler.java:180)	at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)	at org.jboss.netty.handler.timeout.IdleStateAwareChannelUpstreamHandler.handleUpstream(IdleStateAwareChannelUpstreamHandler.java:36)	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)	at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)	at org.jboss.netty.handler.timeout.IdleStateHandler.messageReceived(IdleStateHandler.java:294)	at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)	at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)	at org.jboss.netty.handler.codec.http.HttpContentEncoder.messageReceived(HttpContentEncoder.java:82)	at org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:88)	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)	at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)	at org.jboss.netty.handler.codec.http.HttpContentDecoder.messageReceived(HttpContentDecoder.java:108)	at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)	at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)	at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296)	at org.jboss.netty.handler.codec.http.HttpChunkAggregator.messageReceived(HttpChunkAggregator.java:194)	at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)	at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)	at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296)