The primary reason for this error is likely due to the use of deprecated APIs in the code being compiled. This can happen when using outdated libraries or classes that are no longer supported.Alternatively, it's also possible that there is an issue with the classpath settings, which can cause the Ja

How do I fix: Checking for missing libraries or classpath issues?

Step 1: Another possible cause of this error is the presence of missing libraries or incorrect classpath settings. To check for these issues, run the following command: `make showcommands`Step 2: This will display a list of all errors encountered during the build process, including any missing libra

Software⏱️ 3 min read📅 2026-06-11

How to Fix Error 41 Error – Build an Android Rom (Make Error 41)

Q: How do I fix: 🚀 How to Resolve This Issue Recompiling with -Xlint:deprecation?

Step 1: To resolve this issue, recompile the code using the '-Xlint:deprecation' flag. This will help identify any deprecated APIs being used in the code.Step 2: Run the following command to recompile the code: `./build-liquid.sh -o3 maguro -Xlint:deprecation`Step 3: This will allow you to see a lis

Learn how to fix: Build an Android Rom (Make Error 41).

Quick Answer: Try checking your system settings or restarting.

📋 Table of Contents

⚠️ Common Causes
🚀 How to Resolve This Issue
🎯 Final Words

The error 'Error 41' occurs when the build process encounters an issue with the Java compiler, indicating that there is a problem with the code being compiled. This can happen due to various reasons such as deprecated APIs, missing libraries, or incorrect classpath settings.

This frustrating error affects users who are trying to build custom ROMs for their Android devices. The good news is that it's possible to resolve this issue by following the steps outlined below.

⚠️ Common Causes

The primary reason for this error is likely due to the use of deprecated APIs in the code being compiled. This can happen when using outdated libraries or classes that are no longer supported.
Alternatively, it's also possible that there is an issue with the classpath settings, which can cause the Java compiler to fail.

🚀 How to Resolve This Issue

Recompiling with -Xlint:deprecation

Step 1: To resolve this issue, recompile the code using the '-Xlint:deprecation' flag. This will help identify any deprecated APIs being used in the code.
Step 2: Run the following command to recompile the code: `./build-liquid.sh -o3 maguro -Xlint:deprecation`
Step 3: This will allow you to see a list of deprecated APIs and libraries being used, making it easier to identify and fix the issue.

Checking for missing libraries or classpath issues

Step 1: Another possible cause of this error is the presence of missing libraries or incorrect classpath settings. To check for these issues, run the following command: `make showcommands`
Step 2: This will display a list of all errors encountered during the build process, including any missing libraries or classpath issues.

🎯 Final Words

To summarize, the 'Error 41' issue can be resolved by recompiling the code with the '-Xlint:deprecation' flag and checking for missing libraries or classpath issues. By following these steps, you should be able to successfully build your custom ROM.

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