JDK-8224253 : Release Note: Improved Handling of the "Class-Path" JAR Manifest Attribute
  • Type: Sub-task
  • Component: core-libs
  • Affected Version: 13
  • Priority: P4
  • Status: Closed
  • Resolution: Delivered
  • Submitted: 2019-05-20
  • Updated: 2019-08-09
  • Resolved: 2019-06-27
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JDK 13
13Resolved
Description
The JAR file specification has been updated to clarify what constitutes a valid entry for the `Class-Path` JAR Manifest Attribute. See the JAR file specification for further details.

Invalid entries are now ignored. Applications relying on invalid `Class-Path` entries may see a `ClassNotFoundException`. A system property has been added to aid in debugging the `Class-Path` attribute. When the `"jdk.net.URLClassPath.showIgnoredClassPathEntries"` property is set to `true`, invalid `Class-Path` entries will be printed to the console.