JDK-6867671 : javap whitespace formatting issues
  • Type: Bug
  • Component: tools
  • Sub-Component: javap
  • Affected Version: 1.4.2,6,7
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • OS: generic,solaris_9
  • CPU: generic,sparc
  • Submitted: 2009-08-01
  • Updated: 2012-01-13
  • Resolved: 2012-01-13
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JDK 7
7 b70Fixed
Related Reports
Duplicate :  
JDK-6348225 - javap prints extra blanks lines preceeding each method for line number tables
Duplicate :  
JDK-4794754 - Javap indentations dont work on -l, -s, -c options
Relates :  
JDK-6868553 - 6867671 breaks some tests
Description
javap has many issues with bad whitespace formatting that together lead to untidy and cluttered output. These issues can be grouped into 3 types

1. Inconsistent indentation, often varying with options (see 4794754)
2. Extraneous line feeds (see 6348225), typically caused by printing extra line feeds between empty sections, or to provide excessive visual separation between sections with inconsistent indentation (see #1.)
3. Bad alignment caused by simple-minded use of \t (tab) character.
Comments
EVALUATION Best fixed by a combined overhaul of javap formatting.
01-08-2009
EVALUATION Time to drop (whitespace) compatbility with JDK6 javap via the hidden -XDcompat option. It will be too onerous and somewhat pointless now to maintain that level of backward compatibility now that new javap is in accepted and standard use for some time.
01-08-2009