something is fishy here, lately.
Unexpected Signal : 11 occurred at PC=0x4055B2F5
HotSpot Virtual Machine Error : 11
Error ID : 4F530E43505002EF
hs_err_pid32056 (text/plain, 6 KB) .
...and i have to killall -KILL java and then restart helma several times a day.
hopefully, a java sdk update will solve this issue.
update: everything seems to work and run smoothly again with the latest sdk. fingers crossed.