JDK-8234687 : change javap reporting on unknown attributes
  • Type: Enhancement
  • Component: tools
  • Sub-Component: javac
  • Affected Version: 11,13
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2019-11-22
  • Updated: 2021-02-03
  • Resolved: 2019-11-23
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JDK 11 JDK 13 JDK 14
11.0.11-oracleFixed 13.0.6Fixed 14 b25Fixed
Description
javap currently reports an "error" if it encounters an unknown attribute, and then prints the name and a hex dump of the data bytes. 

"Error" seems a bit over the top. It would be better to report a warning or notice instead.
Comments
Fix request (13u) Requesting backport to 13u for parity with 11u. The patch applies cleanly. Tested with tier1; new test fails without the patch, passes with it.
27-01-2021
Fix Request (11u) Makes javap more resilient in the face of newer bytecode. Patch applies cleanly to 11u, new test fails without the patch, passes with it. Additional tier{1,2} testing passes.
04-08-2020
URL: https://hg.openjdk.java.net/jdk/jdk/rev/d4ddf19c2624 User: jjg Date: 2019-11-23 00:29:23 +0000
23-11-2019