Hi Yonghui,

We see this exception too. We believe this is related to the jdk versions.
In our case, the exception only happens on heavy workload, and after we
upgrade the jdk version , it is gone.

Currently, we use jdk1.6_35. I suggest you to try this.

Best

Guodong
On Thu, May 30, 2013 at 11:07 AM, Yonghui Zhao <[EMAIL PROTECTED]>wrote:
 
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