At some point during testing session, bootstrap node thew OutOfMemoryError. The node continued to spew scary errors before it finally died. Here are its last words:
Full log is attached in bootstrap-fail.log. The solution is possibly to increase available heap memory of Java, but the following errors should also be investigated to increase robustness in deployments in wild.
I assigned this issue to you Pawel since you asked for it in past. Please reassign as you see fit. I'll take care of increasing JVM heap space.