Patch Listing Error Flex 3 -
Before applying a patch, you must understand why your environment is throwing this error. Based on thousands of forum threads (Stack Overflow, Adobe JIRA, Apache Flex Bug Tracker), the primary causes are:
Q: Does this error affect Flash Player or AIR applications? A: Yes. Any Flex 3 application running on modern Flash Player runtimes (32+) may require patch listing alignment.
Q: I don't even use Flex 3. Why am I seeing this error? A: The Flex 4.x SDK includes a "Flex 3 compatibility layer" (mx.core.FlexVersion). The installer checks for this patch by default.
Q: Can I disable patch listing entirely?
A: Yes, but not recommended. Set env.FLEX_PATCH_LIST=ignore before compilation:
export FLEX_PATCH_LIST=ignore && ant main
Q: Is there a community fix? A: Yes. The Apache Flex JIRA issue FLEX-35500 has a community-built shell script that automatically remaps all dead patch URLs to the Apache archive. patch listing error flex 3
Developers maintaining legacy Adobe Flex 3 applications (built with SDK 3.x) may encounter the cryptic error:
"patch listing error flex 3"
This message typically appears during project compilation, clean/build operations in Flex Builder 3 (Eclipse-based), or when applying patch modules to a main application. It is not a standard runtime error but a build-time metadata or file reference inconsistency.
Prepared by: [Your Name/Team]
Reviewed by: [Reviewer Name] Before applying a patch, you must understand why
This guide covers troubleshooting the "Patch Listing Error" in Flex 3, a common issue for jailbroken iOS devices (particularly on newer systems like Dopamine 2.2.2/Rootless). Understanding the Error
The "Patch Listing Error" usually indicates that Flex 3 cannot connect to its server, cannot process the cloud patch list, or that the version of Flex being used is incompatible with the iOS version or jailbreak type (rootful vs. rootless). Solutions and Fixes 1. Use the Correct Version of Flex 3
If you are on a modern rootless jailbreak (Dopamine, Palera1n), the version of Flex 3 from the default BigBoss repo often crashes or lists no patches.
Ensure you are using a patched or beta version specifically for rootless. Use Q: Is there a community fix
Flex 3 beta Dopamine & Palera1n by DXcool223 (v3~Beta56 or higher) Alternative: Add the developer's official repo:
After fixing, run:
mxmlc -version
Expected output: Version 3.6.0.xxx (or your target version)
Run the patch tool from the command line to get verbose output:
# For SAP JSPM
./jspm.sh -verbose