JDK-8211326 : add OS user related information to hs_err file
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: 12
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2018-10-01
  • Updated: 2019-08-15
  • Resolved: 2018-11-16
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JDK 11 JDK 12
11.0.3Fixed 12 b21Fixed
Related Reports
Relates :  
JDK-8211846 - A new switch to control verbosity of hs-err files
Relates :  
JDK-8211845 - A new switch to control verbosity of hs-err files
Description
Currently the hs_err file contains only  limited  OS user related information.
Just the user name is printed via output of environment variables (at least on Windows with USERNAME - output).
The enhanced output on UNIX would contain more information including uid, gid and umask .

uid  : 1679 (testuser)
euid : 1679 (testuser)
gid  : 25 (testgroup)
egid : 25 (testgroup)

umask: 0022 (removing ----w--w-)
Comments
Ok, approved. I'd like to see both changesets go in simultaneously however.
03-12-2018
We were asked to first request downport of this change, to have a reson to downport 8211845, too. 8211845 on its own is pointless.
30-11-2018
Shouldn't 8211845 be requested prior to this?
29-11-2018
This seems like potentially sensitive information about the execution environment that the hs_err file should not be storing. Update: that concern was addressed by guarding the output with the new ExtensiveErrorReporting flag introduced by JDK-8211845.
22-11-2018
Fix Request I would like to downport this change to jdk11u. It helps us maintain applications running on jdk 11. Unfortunately the change does not apply cleanly. In posix.hpp lines in the context were changed. I requested reviews: http://mail.openjdk.java.net/pipermail/hotspot-dev/2018-November/035409.html I don't see any dangers, just some additional print out in case of an error. The change depends on downport of JDK-8211845.
22-11-2018