Android SDK and Sentry Gradle Plugin

Oct 13, 2025 by thesweetdesigns.com 37 views

Introduction

As a developer, encountering errors while working with Proguard mapping files can be frustrating, especially when the files are uploaded and valid. In this article, we will delve into the issue of "A Proguard mapping file was missing" error even when mapping files are uploaded and valid. We will explore the possible causes, steps to reproduce, and expected results. Additionally, we will discuss the possible issue of clicking on the "1 Release associated" and on the release version link, which results in an error "This release could not be found."

Environment

The issue was encountered on a self-hosted Sentry environment, version 25.2.0, with Android SDK 8.3.0 and Sentry Gradle Plugin 5.3.0.

Self-Hosted Sentry Environment

The self-hosted Sentry environment is a customized setup that allows for more control over the configuration and settings. This environment is used for testing and development purposes.

Android SDK and Sentry Gradle Plugin

The Android SDK version 8.3.0 and Sentry Gradle Plugin version 5.3.0 are used in the project. These versions are the latest at the time of writing and are known to work well with each other.

Steps to Reproduce

To reproduce the issue, follow these steps:

Create a Release Build for Android: Create a release build for Android using the Android SDK.
Upload Mappings Files via Gradle: Upload the Proguard mapping files using the uploadSentryProguardMappings task in the Gradle build script.
Verify Mapping Files: Verify that the mapping files are uploaded and valid.

Expected Result

The expected result is that the Android issues are deobfuscated using the uploaded mapping files.

Actual Result

The actual result is that Android issues are not deobfuscated even when mapping files are there and valid.

Possible Issue

One possible issue is that clicking on the "1 Release associated" and on the release version link results in an error "This release could not be found."

Error Message

The error message is as follows:

"This release could not be found."

Release Version Link

The release version link is not accessible, resulting in an error.

Product Area

The product area affected by this issue is Processing.

Link

No response was received from the Sentry team regarding this issue.

DSN

No response was received from the Sentry team regarding this issue.

Version

The version of Sentry, Android SDK, and Sentry Gradle Plugin used in this issue are:

Sentry: 25.2.0
Android SDK: 8.3.0
Sentry Gradle Plugin: 5.3.0

Troubleshooting Steps

To troubleshoot this issue, follow these steps:

Verify Mapping Files: Verify that the mapping files are uploaded and valid.
Check Release Build: Check the release build to ensure that it is created successfully.
Check Sentry Configuration: Check the Sentry configuration to ensure that it is set up correctly.
Check Android SDK: Check the Android SDK version to ensure that it is compatible with the Sentry Gradle Plugin.

Conclusion

In conclusion, the "A Proguard mapping file was missing" error even when mapping files are uploaded and valid is a frustrating issue that can be caused by various factors. By following the troubleshooting steps outlined in this article, developers can identify and resolve the issue. Additionally, the possible issue of clicking on the "1 Release associated" and on the release version link resulting in an error "This release could not be found" is also discussed. By understanding the possible causes and troubleshooting steps, developers can resolve this issue and ensure that their Android issues are deobfuscated using the uploaded mapping files.

Recommendations

Based on the issue encountered, the following recommendations are made:

Verify Mapping Files: Verify that the mapping files are uploaded and valid.
Check Release Build: Check the release build to ensure that it is created successfully.
Check Sentry Configuration: Check the Sentry configuration to ensure that it is set up correctly.
Check Android SDK: Check the Android SDK version to ensure that it is compatible with the Sentry Gradle Plugin.

Introduction

In our previous article, we discussed the issue of "A Proguard mapping file was missing" error even when mapping files are uploaded and valid. We explored the possible causes, steps to reproduce, and expected results. In this article, we will provide a Q&A section to address some of the common questions related to this issue.

Q&A

Q: What is a Proguard mapping file?

A: A Proguard mapping file is a file that contains information about the mapping between the original class names and the obfuscated class names in a Proguard-processed Android application.

Q: Why is the Proguard mapping file missing?

A: The Proguard mapping file may be missing due to various reasons such as incorrect configuration, missing upload of mapping files, or issues with the Sentry Gradle Plugin.

Q: How do I verify that the mapping files are uploaded and valid?

A: To verify that the mapping files are uploaded and valid, you can check the Sentry dashboard to ensure that the mapping files are uploaded successfully. You can also check the Gradle build output to ensure that the uploadSentryProguardMappings task is executed successfully.

Q: What is the expected result when the mapping files are uploaded and valid?

A: The expected result is that the Android issues are deobfuscated using the uploaded mapping files.

Q: What is the actual result when the mapping files are uploaded and valid?

A: The actual result is that Android issues are not deobfuscated even when mapping files are there and valid.

Q: What is the possible issue when clicking on the "1 Release associated" and on the release version link?

A: The possible issue is that clicking on the "1 Release associated" and on the release version link results in an error "This release could not be found."

Q: How do I troubleshoot this issue?

A: To troubleshoot this issue, you can follow the steps outlined in our previous article, including verifying the mapping files, checking the release build, checking the Sentry configuration, and checking the Android SDK.

Q: What are the recommendations to resolve this issue?

A: The recommendations to resolve this issue include verifying the mapping files, checking the release build, checking the Sentry configuration, and checking the Android SDK.

Q: What are the possible causes of this issue?

A: The possible causes of this issue include incorrect configuration, missing upload of mapping files, issues with the Sentry Gradle Plugin, and compatibility issues between the Android SDK and the Sentry Gradle Plugin.

Q: How do I ensure that my Android issues are deobfuscated using the uploaded mapping files?

A: To ensure that your Android issues are deobfuscated using the uploaded mapping files, you can follow the steps outlined in our previous article, including verifying the mapping files, checking the release build, checking the Sentry configuration, and checking the Android SDK.

Conclusion

In conclusion, the "A Proguard mapping file was missing" error even when mapping files are uploaded and valid is a frustrating issue that can be caused by various factors. By following the troubleshooting steps and recommendations outlined in this article, developers can identify and resolve the issue. Additionally, the possible issue of clicking on the "1 Release associated" and on the release version link resulting in an error "This release could not be found" is also discussed. By understanding the possible causes and troubleshooting steps, developers can resolve this issue and ensure that their Android issues are deobfuscated using the uploaded mapping files.

Recommendations

Based on the issue encountered, the following recommendations are made:

Verify Mapping Files: Verify that the mapping files are uploaded and valid.
Check Release Build: Check the release build to ensure that it is created successfully.
Check Sentry Configuration: Check the Sentry configuration to ensure that it is set up correctly.
Check Android SDK: Check the Android SDK version to ensure that it is compatible with the Sentry Gradle Plugin.

By following these recommendations, developers can ensure that their Android issues are deobfuscated using the uploaded mapping files and resolve the "A Proguard mapping file was missing" error even when mapping files are uploaded and valid.