JDK-8224946 : jrtfs URI to Path and Path to URI conversions are wrong
  • Type: Bug
  • Component: tools
  • Sub-Component: jlink
  • Affected Version: 13
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2019-05-29
  • Updated: 2020-04-06
  • Resolved: 2019-05-30
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JDK 13 JDK 14
13 b24Fixed 14Fixed
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Sub Tasks
JDK-8226948 :  
Consider the following: 

        var uri = URI.create("jrt:/java.base/module-info.class"); 
        var path = Path.of(uri); 

This fails because the file path returned by JrtFIleSystemProvider getPath(URI) is "/java.base/module-info.class", it should be "/modules/java.base/module-info.class". 

If this bug is fixed then the following round trip should also work: 

        // check round-trip 
        var jrtfs = FileSystems.getFileSystem(URI.create("jrt:/"));