[rollbar] Unhandled exception: TypeError: Cannot read property 'startsWith' of undefined {}

Brief Issue Summary

Whenever I try to do any build-related command, I get the following message (build is replaced with whatever command’s id, such as configure):

[rollbar] Unhandled exception: Unhandled Promise rejection: build TypeError: Cannot read property 'startsWith' of undefined {}

CMake Tools Log

[extension] [5024] cmake.build started
[main] Run build 
[main] Starting new CMake driver
[main] Starting CMake driver
[legacy-driver] Creating instance of LegacyCMakeDriver
[driver] CMakeDriver Kit set to Visual Studio Community 2017 - x86
[kit] OK running C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvarsall.bat x86, env vars:[["CL",""],["_CL_",""],["INCLUDE","..."],["LINK",""],["_LINK_",""],["LIB","..."],["TMP","..."],["FRAMEWORKDIR","..."],["FRAMEWORKDIR64",""],["FRAMEWORKVERSION","v4.0.30319"],["FRAMEWORKVERSION64",""],["UCRTCONTEXTROOT",""],["UCRTVERSION","10.0.17763.0"],["UNIVERSALCRTSDKDIR","..."],["VCINSTALLDIR","..."],["VCTARGETSPATH",""],["WINDOWSLIBPATH","..."],["WINDOWSSDKDIR","..."],["WINDOWSSDKLIBVERSION","..."],["WINDOWSSDKVERSION","..."],["VISUALSTUDIOVERSION","15.0"]]
[driver] Run _refreshExpansions
[driver] Run _refreshExpansions cb
[cache] Reading CMake cache file c:/.../CMakeCache.txt
[cache] Parsing CMake cache string
[driver] Setting new variant , Emit debug information without performing optimizations
[driver] Run _refreshExpansions
[driver] Run _refreshExpansions cb
[rollbar] Unhandled exception: Unhandled Promise rejection: build TypeError: Cannot read property 'startsWith' of undefined {}

Developer Tools Log

console.ts:134 [Extension Host] [CMakeTools] 2019-05-09T13:36:04.849Z [fatal] [rollbar] Unhandled exception: Unhandled Promise rejection: build TypeError: Cannot read property 'startsWith' of undefined {}
t.log @ console.ts:134
$logExtensionHostMessage @ mainThreadConsole.ts:39
_doInvokeHandler @ rpcProtocol.ts:399
_invokeHandler @ rpcProtocol.ts:384
_receiveRequest @ rpcProtocol.ts:304
_receiveOneMessage @ rpcProtocol.ts:226
_protocol.onMessage.e @ rpcProtocol.ts:101
fire @ event.ts:584
a @ ipc.net.ts:392
e @ ipc.net.ts:399
fire @ event.ts:584
_receiveMessage @ ipc.net.ts:678
_socketDisposables.push._socketReader.onMessage.e @ ipc.net.ts:549
fire @ event.ts:584
acceptChunk @ ipc.net.ts:212
_register._socket.onData.e @ ipc.net.ts:173
t @ ipc.net.ts:24
emit @ events.js:182
addChunk @ _stream_readable.js:279
readableAddChunk @ _stream_readable.js:264
Readable.push @ _stream_readable.js:219
onread @ net.js:636
console.ts:134 [Extension Host] TypeError: Cannot read property 'startsWith' of undefined
	at parseCatchTestOutput (C:\...\vector-of-bool.cmake-tools-1.1.3\out\src\ctest.js:90:31)
	at parseTestOutput (C:\...\vector-of-bool.cmake-tools-1.1.3\out\src\ctest.js:107:16)
	at CTestDriver._reloadTestResults (C:\...\vector-of-bool.cmake-tools-1.1.3\out\src\ctest.js:306:38)
t.log @ console.ts:134
$logExtensionHostMessage @ mainThreadConsole.ts:39
_doInvokeHandler @ rpcProtocol.ts:399
_invokeHandler @ rpcProtocol.ts:384
_receiveRequest @ rpcProtocol.ts:304
_receiveOneMessage @ rpcProtocol.ts:226
_protocol.onMessage.e @ rpcProtocol.ts:101
fire @ event.ts:584
a @ ipc.net.ts:392
e @ ipc.net.ts:399
fire @ event.ts:584
_receiveMessage @ ipc.net.ts:678
_socketDisposables.push._socketReader.onMessage.e @ ipc.net.ts:549
fire @ event.ts:584
acceptChunk @ ipc.net.ts:212
_register._socket.onData.e @ ipc.net.ts:173
t @ ipc.net.ts:24
emit @ events.js:182
addChunk @ _stream_readable.js:279
readableAddChunk @ _stream_readable.js:264
Readable.push @ _stream_readable.js:219
onread @ net.js:636
notificationsAlerts.ts:40 Cannot read property 'startsWith' of undefined
onDidNotificationChange @ notificationsAlerts.ts:40
_register.model.onDidNotificationChange.e @ notificationsAlerts.ts:26
fire @ event.ts:584
notify @ notifications.ts:113
error @ notificationService.ts:49
commandService.executeCommand.then.e @ statusbarPart.ts:373
_tickCallback @ internal/process/next_tick.js:68
Promise.then (async)
executeCommand @ statusbarPart.ts:373
entry.command.t.push.E.addDisposableListener @ statusbarPart.ts:295

Platform and Versions

• Operating System: Windows
• CMake Version: cmake version 3.14.3 (I think this error started happening after upgrading CMake from 3.12)
• VSCode Version: 1.33.1
• CMake Tools Extension Version: 1.1.3
• Compiler/Toolchain: Visual C++ 2017

[el-robo]

I encountered the same issue on linux. Issue seemed to be related to the loading or parsing of test results. It went away after I cleared my build directory and configured again.

[linjiapro]

Yep, thanks for this thread. Cleaning the build folder works for me on Linux platform.