I think you accidentally broke 9.0.x branch with this commit [1]. See [2].

May I ask you to have a look at it?

Thanks,

Sebastian

[1] https://github.com/infinispan/infinispan/commit/fbed38fd4007f9e36a2697965a924d5b0db0bbd4

[2] http://ci.infinispan.org/job/Infinispan/job/9.0.x/1/console