executionStrategy.Execute on submission №463718 has thrown an exception: System.IO.IOException: Cannot create a file when that file already exists.

[NikolayIT]

2015-04-05 12:46:51,103 [Thread №2] ERROR Job №2 executionStrategy.Execute on submission №463718 has thrown an exception: System.IO.IOException: Cannot create a file when that file already exists.

   at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
   at System.IO.__Error.WinIOError()
   at System.IO.File.InternalMove(String sourceFileName, String destFileName, Boolean checkHost)
   at OJS.Workers.Compilers.Compiler.Compile(String compilerPath, String inputFile, String additionalArguments) in c:\Dev\OpenJudgeSystem\Open Judge System\Workers\OJS.Workers.Compilers\Compiler.cs:line 65
   at OJS.Workers.ExecutionStrategies.ExecutionStrategy.Compile(CompilerType compilerType, String compilerPath, String compilerArguments, String submissionFilePath) in c:\Dev\OpenJudgeSystem\Open Judge System\Workers\OJS.Workers.ExecutionStrategies\ExecutionStrategy.cs:line 115
   at OJS.Workers.ExecutionStrategies.ExecutionStrategy.CompileExecuteAndCheck(ExecutionContext executionContext, Func`2 getCompilerPathFunc, IExecutor executor) in c:\Dev\OpenJudgeSystem\Open Judge System\Workers\OJS.Workers.ExecutionStrategies\ExecutionStrategy.cs:line 18
   at OJS.Workers.ExecutionStrategies.CompileExecuteAndCheckExecutionStrategy.Execute(ExecutionContext executionContext) in c:\Dev\OpenJudgeSystem\Open Judge System\Workers\OJS.Workers.ExecutionStrategies\CompileExecuteAndCheckExecutionStrategy.cs:line 21
   at OJS.Workers.LocalWorker.SubmissionJob.ProcessSubmission(Submission submission) in c:\Dev\OpenJudgeSystem\Open Judge System\Workers\OJS.Workers.LocalWorker\SubmissionJob.cs:line 180