Troubleshooting C++ Errors: Dealing with 'Terminate Called After Throwing an Instance of std::logic_error'

As a C++ developer, you know that running into errors is part of the process. However, errors like "Terminate Called After Throwing an Instance of std::logic_error" can be particularly frustrating to deal with. In this guide, we will provide a step-by-step solution to troubleshoot this error and get your code running smoothly.

What is 'Terminate Called After Throwing an Instance of std::logic_error'?

This error message indicates that your C++ program has encountered an exception of type std::logic_error and has terminated before handling it properly. This error can occur due to a variety of reasons, such as invalid inputs or incorrect program logic.

Step-by-Step Solution

Follow these steps to troubleshoot the 'Terminate Called After Throwing an Instance of std::logic_error' error:

1. Identify the Exception Type

The first step in troubleshooting this error is to identify the exception type that is causing it. In this case, the error message specifies that it is a std::logic_error. Knowing the type of exception can help you narrow down the possible causes of the error.

2. Check the Exception's Message

The error message also includes a message that provides more information about the exception. This message can give you clues about what went wrong and where in your code the error occurred.

3. Look for the Exception's Source

Once you have identified the exception type and message, you should look for the source of the exception in your code. This can involve debugging your code, using logging tools, or stepping through your program line by line. Pay close attention to any variables or inputs that might be causing the exception.

4. Handle the Exception

Once you have identified the source of the exception, you should handle it properly in your code. This can involve catching the exception and handling it gracefully, or modifying your program logic to avoid the exception altogether.


Q: What is a logic error in C++?

A: A logic error is an error in your program's code that can cause unexpected or incorrect behavior. These errors can occur due to incorrect program logic or assumptions about input data.

Q: Can 'Terminate Called After Throwing an Instance of std::logic_error' be caused by memory issues?

A: Yes, memory issues such as memory leaks or invalid pointers can cause this error to occur.

Q: How can I prevent 'Terminate Called After Throwing an Instance of std::logic_error' from occurring?

A: To prevent this error, you should ensure that your program logic is sound and that your input data is properly validated. You should also use tools such as memory profilers to identify and fix any memory issues in your code.

Q: What other types of exceptions can occur in C++?

A: C++ has many built-in exception types, such as std::runtime_error, std::bad_alloc, and std::out_of_range. You can also create your own custom exception types.

Q: Can the 'Terminate Called After Throwing an Instance of std::logic_error' error be caused by external factors such as hardware or operating system issues?

A: While it is possible for external factors to cause this error to occur, it is usually caused by issues within your program's code.

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