JDK-6967948 : "OpenJDK 64-Bit Server VM warning: increase O_BUFLEN in ostream.hpp -- output truncated" on Windows
  • Type: Bug
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: hs19,hs24,7u80
  • Priority: P4
  • Status: Resolved
  • Resolution: Duplicate
  • OS: generic
  • CPU: generic
  • Submitted: 2010-07-09
  • Updated: 2014-11-21
  • Resolved: 2014-11-12
Related Reports
Duplicate :  
JDK-8026300 - VM warning: increase O_BUFLEN in ostream.hpp -- output truncated occurs with fastdebug VM when printing flags
Relates :  
JDK-8026300 - VM warning: increase O_BUFLEN in ostream.hpp -- output truncated occurs with fastdebug VM when printing flags
Description
Application gets these warnings at the beginning of it's initialization:

OpenJDK 64-Bit Server VM warning: increase O_BUFLEN in ostream.hpp -- output truncated
OpenJDK 64-Bit Server VM warning: increase O_BUFLEN in ostream.hpp -- output truncated
OpenJDK 64-Bit Server VM warning: increase O_BUFLEN in ostream.hpp -- output truncated
[Opened C:\local\common\jdk\baseline\windows-amd64\jre\lib\rt.jar]
[Loaded java.lang.Object from C:\local\common\jdk\baseline\windows-amd64\jre\lib\rt.jar]
[Loaded java.io.Serializable from C:\local\common\jdk\baseline\windows-amd64\jre\lib\rt.jar]
[Loaded java.lang.Comparable from C:\local\common\jdk\baseline\windows-amd64\jre\lib\rt.jar]
This also appears regularly in the release engineering jdk build logs.
Comments
Opened backport on 7u80
12-11-2014
Seems to be the same issue as JDK-8026300, fixed in JDK 8. That was a super small fix, we should backport it to JDK 7 as well
07-04-2014
Based on Zhengyu's comment we're closing this as CNR
24-01-2014