Channel: ClearScript
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Commented Issue: Access violation running V8 tests in Visual Studio [60]

Whenever I try to run a test under xUnit using the built in Visual Studio Test Runner (with xUnit plugin) containing the V8Runtime, I get either an AccessViolation or an SEHException. The strange thing is the exception does not occur if I debug the test (with/without break points).

Environment: Visual 2013 Update 4 Test Runner, xUnit, code to recreate:

public void TestAccessException() {
var runtime = new V8Runtime("Test Context");

Stack trace:

System.Reflection.TargetInvocationException : Exception has been thrown by the target of an invocation.
---- System.Runtime.InteropServices.SEHException : External component has thrown an exception.
Result StackTrace:
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes, StackCrawlMark& stackMark)
at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)
at System.Activator.CreateInstance(Type type, Object[] args)
at Microsoft.ClearScript.V8.V8Proxy.CreateImpl[T](Object[] args) in c:\dev\ClearScript\ClearScript\V8\V8Proxy.cs:line 93
at Microsoft.ClearScript.V8.V8IsolateProxy.Create(String name, V8RuntimeConstraints constraints, Boolean enableDebugging, Int32 debugPort) in c:\dev\ClearScript\ClearScript\V8\V8IsolateProxy.cs:line 70
at Microsoft.ClearScript.V8.V8Runtime..ctor(String name, V8RuntimeConstraints constraints, V8RuntimeFlags flags, Int32 debugPort) in c:\dev\ClearScript\ClearScript\V8\V8Runtime.cs:line 204
at Microsoft.ClearScript.V8.V8Runtime..ctor(String name) in c:\dev\ClearScript\ClearScript\V8\V8Runtime.cs:line 98
at FlowAPI.Scripting.JavascriptRunner..ctor() in c:\dev\FlowAPI\FlowAPI.Scripting\JavascriptRunner.cs:line 20
at FlowAPI.Server.Tests.Scripting.TestScripting.TestV8ScriptingMultiCall() in c:\dev\FlowAPI\FlowAPI.Server.Tests\Scripting\TestScripting.cs:line 20
----- Inner Stack Trace -----
at V8Isolate.Create(StdString* , V8IsolateConstraints* , Boolean , Int32 )
at Microsoft.ClearScript.V8.V8IsolateProxyImpl..ctor(String gcName, V8RuntimeConstraints gcConstraints, Boolean enableDebugging, Int32 debugPort) in c:\dev\clearscript\clearscript\v8\clearscriptv8\v8isolateproxyimpl.cpp:line 86

Comments: Hello! Could you please post a stack trace? We'd like to make sure the issue you're seeing with IIS is the same as the one we saw with the VS unit test runner. The next point release should be out within two weeks. Thanks for your patience.

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