Resolution: Awaiting Response
Affects Version/s: Minecraft 1.8.3, Minecraft 15w49b
Fix Version/s: None
Environment:Windows 7 x64
Java 64-bit 8 update 31
-Xms1024m -Xmx1024m -Xmn128m -Xincgc -jar minecraft_server.1.8.3.jar nogui
This relates to
MC-38134, MC-38515, and MC-32850. However, I wish to report a different aspect of the general issue. Which is that no crash report is being generated for this crash during saving the world. Nor does it appear in latest.log. Essentially, if your not watching it, or not able to watch it, it will never be seen.
While the errors themselves are their own bugs, that critical errors can occur without a crash report being generated is its own bug.
I first noticed this with the following random error that appears when saving the world: