I installed Stash on a Windows Server 2008 R2 according to the installation instructions and the server has been blue screening anywhere from one to five times a day since. When my system administrators looked at the memory dump they said Tomcat was the problem (CRITICAL_OBJECT_TERMINATION). I had multiple Tomcats running but as of the last crash, only the ones for JIRA and Stash were enabled. I have since disabled Stash and have not had a crash in almost 24 hours. I would like to continue using stash but can not unless I find a solution to this. I have tried both Stash 1.1.1 and 1.1.2. I am using 32bit Java 1.6.0_33 and the git linked from the installation instructions, currently Git-1.7.11-preview20120710. I have Stash running as a service as per the atlassian instructions. Thanks to anyone who might be able to help.
(stash_bsod_minidump.txt) I've experienced a similar BSOD twice on a virtual (VMware) Windows Server 2008 R2 instance running Stash as a service. The first time it happened a few hours after the initial install of Stash 1.1.1 & Git-1.7.11-preview20120620. The second time it happened a few minutes after upgrading to Stash 1.1.2 & Git 1.7.11-preview20120710. In both cases the minidump analysis (attached) indicates that the crash happened in the Tomcat process but it doesn't say where exactly. I'm using a 32-bit JDK 7u5.
The latest upgrade to Stash 1.2.0 appears to have gone ok.
I'm suspecting it could be a VMware problem but right now I don't know what to do about it. I'm just hoping the server won't start crashing in between Stash updates.
I have raised the issue with Atlassian support.
One thing that we noticed is that the BSODs seem sensitive to the VMware coresPerCpu setting. Our VM is allocated 8 virtual CPUs and we've tried running with the following configurations:
A. 1 socket with 8 cores per socket
B. 4 sockets with 2 cores per socket
C. 8 sockets with 1 core per socket
We can easily get the machine to crash in configurations A and B by running a script that replays some random clicking activity in Stash. Configuration C appears stable thus far but we're obviously very concerned whether it'll hold up in the long run.
We've managed to reproduce the BSOD locally on a Windows Server 2008 RC2 VM. Implementing the suggestions from the following Microsoft KB Article appears to prevent the BSOD from occurring in our environment:
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