Hi,
i bet the error message is a bit longer than the part you posted here. Try "-server.stability false" and look if your servers boots up.
If your server boots up search a big building on your map, and remove it, most likely a big tower / house collapsed due removing essential stability parts and caused in a crash.
Nope its not heheh
here is all the message!!!
[2/27/2015 10:26:49 AM] Creating Terrain..
[2/27/2015 10:26:49 AM] Generating terrain of size 5000 with seed 2107118848
[2/27/2015 10:26:50 AM] ALLOCATING TERRAIN DATA 00:00:01.0319739
[2/27/2015 10:26:50 AM] CREATING TERRAIN OBJECT 00:00:00.3209562
[2/27/2015 10:26:51 AM] GENERATING HEIGHT MAP 00:00:00.9913799
[2/27/2015 10:26:52 AM] GENERATING BIOME MAP 00:00:00.2315427
[2/27/2015 10:26:53 AM] GENERATING TOPOLOGY MAP 00:00:00.8900123
[2/27/2015 10:26:53 AM] GENERATING SPLAT MAP 00:00:00.1066589
[2/27/2015 10:26:53 AM] GENERATING COLOR MAP 00:00:00.3222088
[2/27/2015 10:26:53 AM] APPLYING SPLAT HEIGHT OFFSETS 00:00:00.0866629
[2/27/2015 10:26:54 AM] PLACING MONUMENTS 00:00:00.5288545
[2/27/2015 10:26:54 AM] PLACING MONUMENTS 00:00:00.0968859
[2/27/2015 10:26:54 AM] PLACING MONUMENTS 00:00:00.0789224
[2/27/2015 10:26:54 AM] PLACING MONUMENTS 00:00:00.0068727
[2/27/2015 10:26:55 AM] PLACING STATIC OBJECTS 00:00:01.0061529
[2/27/2015 10:26:55 AM] PLACING STATIC OBJECTS 00:00:00.0914271
[2/27/2015 10:26:55 AM] PLACING STATIC OBJECTS 00:00:00.0827323
[2/27/2015 10:26:57 AM] PLACING INFRASTRUCTURE 00:00:01.8017192
[2/27/2015 10:26:57 AM] PLACING STATIC OBJECTS 00:00:00.0336142
[2/27/2015 10:26:57 AM] PLACING STATIC OBJECTS 00:00:00.0187096
[2/27/2015 10:26:58 AM] PLACING STATIC OBJECTS 00:00:00.1808670
[2/27/2015 10:26:58 AM] PLACING STATIC OBJECTS 00:00:00.0309321
[2/27/2015 10:26:58 AM] PLACING STATIC OBJECTS 00:00:00.0266437
[2/27/2015 10:26:58 AM] PLACING STATIC OBJECTS 00:00:00.0219841
[2/27/2015 10:26:58 AM] PLACING STATIC OBJECTS 00:00:00.0455219
[2/27/2015 10:26:58 AM] PLACING STATIC OBJECTS 00:00:00.0187088
[2/27/2015 10:26:58 AM] PLACING STATIC OBJECTS 00:00:00.0236233
[2/27/2015 10:26:59 AM] CALCULATING CHECKSUM 00:00:01.0599545
[2/27/2015 10:27:00 AM] APPLYING HEIGHT MAP 00:00:01.0155825
[2/27/2015 10:27:06 AM] RAYCASTING NORMAL MAP 00:00:05.9985868
[2/27/2015 10:27:06 AM] GENERATING TEXTURES 00:00:00.0000701
[2/27/2015 10:27:06 AM] INITIALIZING PVT 00:00:00.0002360
[2/27/2015 10:27:13 AM] AngryAnt Behave version 2.5 (d859964) - Copyright (C) Emil Johansen - AngryAnt 2015
[2/27/2015 10:27:14 AM] SPAWNING RESOURCES 00:00:08.1384657
[2/27/2015 10:27:14 AM] Done!
[2/27/2015 10:27:14 AM] Loading Save From server/vserver/save/Procedural Map_5000_2107118848/0.sav
[2/27/2015 10:27:32 AM] Destroyed 13190 old entities
[2/27/2015 10:27:32 AM] Creating 35265 entities from save
[2/27/2015 10:27:35 AM] Spawning 35265 entities
[2/27/2015 10:27:37 AM] Spawned 15473/35265
[2/27/2015 10:27:39 AM] Spawned 26239/35265
[2/27/2015 10:27:41 AM] Loading Complete
[2/27/2015 10:27:41 AM] Stability Warmup
[2/27/2015 10:27:41 AM] 17580 blocks found
[2/27/2015 10:27:41 AM] Updating Supports Pass 1 of 8
[2/27/2015 10:27:41 AM] StackOverflowException: The requested operation caused a stack overflow.