App throws NSException during a work queue for tag reading

Oct 13, 2025 by leolavanderia.com.br 70 views

Introduction

In the world of software development, debugging and troubleshooting are crucial steps in ensuring the smooth operation of an application. However, when a stack tracer crashes during the captureException process, it can be a challenging issue to resolve. In this article, we will delve into the details of this problem, exploring the possible causes, and providing a step-by-step guide on how to resolve it.

Understanding the Issue

The issue at hand is related to the Swift Package Manager (SPM) and Xcode, where a stack tracer crashes during the captureException process. This problem has been reported on macOS, in a production environment, using Xcode version 16.2 and SPM version 8.46.0. The exact cause of the issue is unknown, but it has been observed to occur a few times.

Platform and Environment

Platform

The issue is being reported on macOS.

Environment

The issue is occurring in a production environment.

Installed

The Swift Package Manager (SPM) is installed.

Version

The SPM version is 8.46.0.

Xcode Version

The Xcode version is 16.2.

Steps to Reproduce

To reproduce the issue, follow these steps:

App throws NSException during a work queue for tag reading: The application throws an NSException during a work queue for tag reading.
Exception is pushed to [SentrySDK captureException:]: The exception is pushed to the SentrySDK captureException method.
App crashes: The application crashes.

Expected Result

The expected result is that the exception should be logged, but it is not clear if it should be fatal.

Actual Result

The actual result is that the application crashes on the thread dump, with the following error message:

NSInvalidArgumentException: *** -[__NSArrayM insertObject:atIndex:]: object cannot be nil

Thread Dump

The thread dump is as follows:

Possible Causes

Based on the provided information, the possible causes of the issue are:

Nil object exception: The exception is being thrown due to a nil object being inserted into an array.
SentrySDK captureException method: The SentrySDK captureException method is causing the application to crash.
SPM version issue: The SPM version 8.46.0 may be causing the issue.

Resolving the Issue

To resolve the issue, follow these steps:

Check for nil objects: Verify that there are no nil objects being inserted into arrays.
Review SentrySDK captureException method: Review the SentrySDK captureException method to ensure it is not causing the application to crash.
Update SPM version: Update the SPM version to the latest version.
Check for Xcode version issues: Check if there are any issues with the Xcode version 16.2.

Conclusion

In conclusion, the stack tracer crashing during captureException is a complex issue that requires a thorough analysis. By understanding the possible causes and following the steps to resolve the issue, developers can ensure that their application runs smoothly and efficiently.

Additional Resources

For further information on the SentrySDK captureException method, refer to the SentrySDK documentation.

For further information on the SPM version 8.46.0, refer to the SPM documentation.

For further information on Xcode version 16.2, refer to the Xcode documentation.

Are You Willing to Submit a PR?

Introduction

In our previous article, we explored the issue of a stack tracer crashing during the captureException process. We discussed the possible causes, and provided a step-by-step guide on how to resolve the issue. In this article, we will continue to provide more information on this topic, answering frequently asked questions (FAQs) related to the issue.

Q&A

Q: What is the SentrySDK captureException method?

A: The SentrySDK captureException method is a part of the Sentry SDK, which is used to capture and report exceptions in an application. It is designed to help developers identify and fix issues in their code.

Q: Why is the SentrySDK captureException method causing the application to crash?

A: The SentrySDK captureException method is causing the application to crash due to a nil object exception. This is because the method is trying to insert a nil object into an array, which is not allowed.

Q: How can I prevent the nil object exception from occurring?

A: To prevent the nil object exception from occurring, you can verify that there are no nil objects being inserted into arrays. You can do this by checking the values of the objects before inserting them into the array.

Q: What is the SPM version 8.46.0, and how does it relate to the issue?

A: The SPM version 8.46.0 is a version of the Swift Package Manager (SPM). It is possible that this version is causing the issue, as it may have introduced a bug or incompatibility with the SentrySDK captureException method.

Q: How can I update the SPM version to the latest version?

A: To update the SPM version to the latest version, you can follow these steps:

Open the Terminal and navigate to the directory where your project is located.
Run the command swift package update to update the SPM version.
Run the command swift package resolve to resolve any dependencies.

Q: What is the Xcode version 16.2, and how does it relate to the issue?

A: The Xcode version 16.2 is a version of the Xcode development environment. It is possible that this version is causing the issue, as it may have introduced a bug or incompatibility with the SentrySDK captureException method.

Q: How can I check for Xcode version issues?

A: To check for Xcode version issues, you can follow these steps:

Open the Xcode and navigate to the "Window" menu.
Select "Organizer" from the drop-down menu.
In the Organizer window, select the "Archives" tab.
Check for any errors or warnings related to the Xcode version.

Q: How can I resolve the issue?

A: To resolve the issue, you can follow these steps:

Check for nil objects and prevent them from being inserted into arrays.
Review the SentrySDK captureException method and ensure it is not causing the application to crash.
Update the SPM version to the latest version.
Check for Xcode version issues and resolve any problems.