Hi rooters, Trying to migrate from v2.25 to v3.01 I got a problem in the following situation: I have tree with branch of the objects type Cclass, Cclass contained TClonesArray of objects type Bclass, Bclass inhereted from pure virtual class Vclass (and TObject of cause) The reading of this tree is failed in case of root v3.01 If I set "old" style tree->SetBranchStyle(kFALSE); it works fine. I put almoust minimal sample illustrating the problem in the http://people.na.infn.it/~valeri/test/test.tgz Valeri Complete crash session is: > make > root root [0] .L libTest.so root [1] .L tree_test.C root [2] fill_C_tree() a_member=1 b_member=0 a_member=2 b_member=0 a_member=11 b_member=100 a_member=12 b_member=100 root [3] read_C_tree() nent = 2 *** Break *** segmentation violation Root > Function read_C_tree() busy flag cleared
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