It was later discovered that the root cause was a WebSphere Application Server bug related to session invalidation when multiple clones are present, which was at the root cause of this problem.

稍后会发现，此问题的根源是，当提供多个克隆时，存在与会话失效相关的WebSphere Application Server错误，这才是此问题的根源。

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In particular, as the multiple number of the root is even, the problem has two solutions.

特别地，当这种根的重数为偶数时，问题具有二重解。

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