On the phone, we are using 0.6.0-rc2 of libjsoncpp. Looking at the git
repository, the assertion triggers if the node type is not objectValue:
JSON_ASSERT( type_ == nullValue || type_ == objectValue );
The location of this assert matches the line number in the stack trace.
Later versions of libjsoncpp don't assert but throw an exception
instead. I suspect that's why we are seeing this only on the phone
because, on the desktop, we are using version 0.10.5.
In the get_node() overload for string, we have:
if (!root_)
{
throw unity::LogicException("Current node is empty");
}
if (!root_.isMember(node_name))
{
throw unity::LogicException("Node " + node_name + " does not exist");
}
// ...
I'm pushing a branch that checks the node type before calling isMember()
and throws if the node type isn't objectValue. I expect that'll stop the
crash.
The question still is why we are trying to get a member from something
that isn't an object. Marcus, is this expected?
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https://bugs.launchpad.net/bugs/1494796
Title:
/usr/lib/arm-linux-gnueabihf/unity-
scopes/smartscopesproxy:smartscopesproxy:
src/lib_json/json_value.cpp:1177: const Json::Value&
Json::Value::operator[](const char*) const: Assertion `type_ ==
nullValue || type_ == objectValue' failed.
Status in Canonical System Image:
In Progress
Status in unity-scopes-api package in Ubuntu:
Confirmed
Bug description:
The Ubuntu Error Tracker has been receiving reports about a problem
regarding unity-scopes-api. This problem was most recently seen with
version 0.6.19+15.04.20150724.3-0ubuntu1, the problem page at
https://errors.ubuntu.com/problem/82f3407ea224db29041027eca65d23d17eb2027e
contains more details.
To manage notifications about this bug go to:
https://bugs.launchpad.net/canonical-devices-system-image/+bug/1494796/+subscriptions
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