This exception is thrown when the

CopyC#

write.lock

could not be acquired. This happens when a writer tries to open an index that another writer already has open.

[SerializableAttribute]
public class LockObtainFailedException : IOException

<SerializableAttribute> _
Public Class LockObtainFailedException _
	Inherits IOException

[SerializableAttribute]
public ref class LockObtainFailedException : public IOException