All about CACHE_POLICY_JOURNAL Files

The CACHE_POLICY_JOURNAL file type is primarily associated with Android Runtime (ART).

CACHE_POLICY_JOURNALFile Extension CACHE_POLICY_JOURNAL
 File extension: CACHE_POLICY_JOURNAL
File type:  cache policy journal

What is a CACHE_POLICY_JOURNAL file

CACHE_POLICY_JOURNAL files mostly belong to Android Runtime (ART). *.CACHE_POLICY_JOURNAL files store the cache policy settings used by the Android Runtime (ART). These files, using a Java-based format, maintain a journal of decisions made regarding caching of application data and code. This journal aids in managing and optimizing app performance by tracking cache usage and policy decisions. Understanding the contents of these files can be crucial for in-depth analysis of ART's caching mechanisms.

How do you open CACHE_POLICY_JOURNAL files?

You need a suitable software like Android Runtime (ART) to open a CACHE_POLICY_JOURNAL file. You need a suitable software like Android Runtime (ART) to open a CACHE_POLICY_JOURNAL file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your CACHE_POLICY_JOURNAL file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a CACHE_POLICY_JOURNAL file directly in the browser:. Just drag the file onto this browser window and drop it.

Online CACHE_POLICY_JOURNAL Text Viewer

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Unable to Open a .CACHE_POLICY_JOURNAL File? Quick Solutions:

CACHE_POLICY_JOURNAL files can come from different programs and aren't universally openable.

  1. Identify the Source: If found on a mobile device, it is likely an Android Runtime (ART) cache policy journal system file. If discovered in app profiles, it may relate to local caching.
  2. Check the Header: Open the file in a hex viewer or text editor to inspect its first bytes:
    • Readable text or JSON suggests a configuration log.
    • Unreadable binary data indicates a compiled system cache.
  3. Use the Original Software: The original program is usually required. Try using Android Studio, an Android emulator, or a root file explorer; if uncertain, ask the sender.
  4. Use this Webpage: Drag and drop your file onto this webpage to detect its format, extract readable text or metadata, and preview the contents when possible.

Technical Data for CACHE_POLICY_JOURNAL File Extension

File classification:
system file
Related files:
vng_meta, meta, journal, js, vdex, apk, backup

a cache_policy_journal cache policy journal is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with CACHE_POLICY_JOURNAL files

  • Associate the CACHE_POLICY_JOURNAL file extension with the correct application.
  • Update your software that should actually open cache policy journals. Because only the current version supports the latest CACHE_POLICY_JOURNAL file format. Search, therefore, e.g. on the manufacturer website after an available Android Runtime (ART) update.
  • To make sure that your CACHE_POLICY_JOURNAL file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .CACHE_POLICY_JOURNAL file online - secure, fast, and no downloads needed.
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