Unit test failing after upgrading to ES 1.0.0

I have trouble with TransportSerializationException that occurs within our
maven junit test case.

All the servers and clients have been recently upgraded to ES 1.0.0 and has
identical version of JAVA 7.

The unit test cases worked with out any problem before and it still works
in our Eclipse IDE environment.
It simply fails during our maven build test stage.

Here is our log.

[Log4jESLogger] - [Choice] loaded [], sites []
[Log4jESLogger] - [Choice] failed to get node info for
[#transport#-1][test][inet[/127.0.0.1:9300]], disconnecting...
org.elasticsearch.transport.RemoteTransportException: Failed to deserialize
response of type
[org.elasticsearch.action.admin.cluster.node.info.NodesInfoResponse]
Caused by: org.elasticsearch.transport.TransportSerializationException:
Failed to deserialize response of type
[org.elasticsearch.action.admin.cluster.node.info.NodesInfoResponse]
at
org.elasticsearch.transport.netty.MessageChannelHandler.handleResponse(MessageChannelHandler.java:148)
at
org.elasticsearch.transport.netty.MessageChannelHandler.messageReceived(MessageChannelHandler.java:125)
at
org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at
org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at
org.elasticsearch.common.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at
org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:296)
at
org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:462)
at
org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:443)
at
org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:303)
at
org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at
org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at
org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
at
org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:268)
at
org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:255)
at
org.elasticsearch.common.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
at
org.elasticsearch.common.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108)
at
org.elasticsearch.common.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:318)
at
org.elasticsearch.common.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
at
org.elasticsearch.common.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
at
org.elasticsearch.common.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
at
org.elasticsearch.common.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Caused by: java.lang.AssertionError
at
org.elasticsearch.common.io.stream.StreamInput.readVLong(StreamInput.java:220)
at
org.elasticsearch.common.io.stream.AdapterStreamInput.readVLong(AdapterStreamInput.java:117)
at
org.elasticsearch.common.unit.SizeValue.readFrom(SizeValue.java:205)
at
org.elasticsearch.common.unit.SizeValue.readSizeValue(SizeValue.java:199)
at
org.elasticsearch.threadpool.ThreadPool$Info.readFrom(ThreadPool.java:604)
at
org.elasticsearch.threadpool.ThreadPoolInfo.readFrom(ThreadPoolInfo.java:65)
at
org.elasticsearch.threadpool.ThreadPoolInfo.readThreadPoolInfo(ThreadPoolInfo.java:55)
at
org.elasticsearch.action.admin.cluster.node.info.NodeInfo.readFrom(NodeInfo.java:224)
at
org.elasticsearch.action.admin.cluster.node.info.NodeInfo.readNodeInfo(NodeInfo.java:194)
at
org.elasticsearch.action.admin.cluster.node.info.NodesInfoResponse.readFrom(NodesInfoResponse.java:54)
at
org.elasticsearch.transport.netty.MessageChannelHandler.handleResponse(MessageChannelHandler.java:146)
... 23 more

This might be related to...
http://elasticsearch-users.115913.n3.nabble.com/Issue-with-unit-testing-TransportClient-td4049573.html

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