Hi Sascha,I still have the same problem. It does happen a little less frequently though.
Le 2015-01-23 13:02, Sascha Zelzer a écrit :
Hi Nil, thanks a lot for your testing.It looks like I missed changing line mitkStandaloneDataStorage.cpp:120 in the patch. Do you mind testing the patch again + changingmitk::DataNode::ConstPointer nodeGuard(node); to DoubleDeletionGuard guard(node); in your MITK build? Thanks again, Sascha On 01/23/2015 06:22 PM, Nil Goyette wrote:Hi Sascha,As requested, I removed the all fixes proposed in this thread, tested and saw the error again, 50% of the time.Then I applied your patch and tested again. In release, it fails every time. In debug, it failed after 5 tests on line- mitkStandaloneDataStorage.cpp 120 : mitk::DataNode::ConstPointer nodeGuard(node);- itkSmartPointer.h 152 : if ( m_Pointer ) { m_Pointer->Register(); } So, it's exactly the same behavior I had before. I'll keep the other patches for the time being ;) Le 2015-01-22 12:04, Sascha Zelzer a écrit :Hi Nil, I just entered bug http://bugs.mitk.org/show_bug.cgi?id=18672for this. Could you please try the attached patch for me (based on 2014.10), without any other proposed fixes from this mail thread?Thanks, Sascha On 01/12/2015 08:18 PM, Nil Goyette wrote:Hi all,I have at least two nodes (I have drawn more, but I can reproduce the bug with 2 nodes)- Node1 --- Node2 (child of Node1) --- Node3 ----- Node4 ----- Node5 - Some other nodesWhen the user deletes Node1, I want to delete all children nodes (2, 3, 4, 5). To do so, I use NodeDeleted(), I ask the DataStorage for all derivative nodes of the deleted node and delete them all. A problem arises when the user highlights all nodes and delete them. Some nodes are deleted more then one time. Of course, there are conditions in mitk and in my own code that check if the node is null, but it still fails about half of the time. Since the NodeRemoved() event is thrown *before* the actual deletion, the null/exists checks are useless.I'm probably not the first that want to delete all the children of a node. I feel that this should be simple. Is there a feature to do it that I'm not aware of?
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