Netbeans 8.x “Could not get children iterator” or “NULL VALUE RETURNED FOR CHILDREN”

If you’re getting messages like this when debugging and trying to look at variables, chances are you might be debugging some glib2 code. If you are, welcome to https://bugzilla.gnome.org/show_bug.cgi?id=749092

It’s easy enough to manually patch the file, and presto, working debug again. It’s been fixed in GDB, I was seeing this in Fedora 22, which is not _entirely_ up to date these days, but you tend to expect that plain old host debugging should be pretty stable. blog post because the netbeans error string doesn’t help you find that gdb bug. You need to run gdb on the command line to find the real error: Python Exception iter() returned non-iterator of type '_iterator':

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