JDK-8357517 : (process) More helpful IOException messages in case of Runtime.exec errors
  • Type: Enhancement
  • Component: core-libs
  • Priority: P4
  • Status: New
  • Resolution: Unresolved
  • OS: linux,os_x,aix
  • Submitted: 2025-05-22
  • Updated: 2025-05-26
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Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.

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JDK 26
26Unresolved
Related Reports
Duplicate :  
JDK-8224180 - Improve IOException message text on failed sub process spawns
Relates :  
JDK-8352533 - Report useful IOExceptions when jspawnhelper fails
Description
JDK-8352533 improved the IOE messages in case Runtime.exec fails; this can be improved to give the user even better information in case of errors. Common errors include:

- jspawnhelper is broken, missing, it or its file system does not have execute permissions
- same for the target binary
- argument vector or env vector are too long
- pathnames are too long
- we ran against the max number of allowed processes
- jspawnhelper crashed out with a signal
etc