Exploit? or what is it

Discussion in 'Bukkit Help' started by Adrenaline, Dec 10, 2011.

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  1. Offline

    Adrenaline

    Hi!

    Bukkit: dev-1572

    I have a small issue with my server.. crash +2 times a day, this is a end log before server crash.

    PHP:
    2011-12-10 02:52:48 [SEVERE] java.lang.NullPointerException
    2011    -12-10 02:52:48 [SEVERE]     at net.minecraft.server.World.findNearbyVulnerablePlayer(World.java:2568)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.World.findNearbyVulnerablePlayer(World.java:2558)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.EntitySlime.m_(EntitySlime.java:95)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.EntityLiving.d(EntityLiving.java:887)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.EntityLiving.w_(EntityLiving.java:297)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.EntitySlime.w_(EntitySlime.java:70)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.World.entityJoinedWorld(World.java:1253)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:107)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.World.playerJoinedWorld(World.java:1235)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.World.tickEntities(World.java:1142)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:518)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:425)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)
    2011-12-10 02:52:48 [SEVERE] Unexpected exception
    java    .lang.NullPointerException
        at net    .minecraft.server.World.findNearbyVulnerablePlayer(World.java:2568)
            at net.minecraft.server.World.findNearbyVulnerablePlayer(World.java:2558)
            at net.minecraft.server.EntitySlime.m_(EntitySlime.java:95)
            at net.minecraft.server.EntityLiving.d(EntityLiving.java:887)
            at net.minecraft.server.EntityLiving.w_(EntityLiving.java:297)
            at net.minecraft.server.EntitySlime.w_(EntitySlime.java:70)
            at net.minecraft.server.World.entityJoinedWorld(World.java:1253)
            at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:107)
            at net.minecraft.server.World.playerJoinedWorld(World.java:1235)
            at net.minecraft.server.World.tickEntities(World.java:1142)
            at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:518)
            at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:425)
            at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)
    2011-12-10 02:52:49 [INFO] Connection reset
    2011    -12-10 02:53:09 [INFO] Connection reset
    2011    -12-10 02:53:14 [INFO] Read timed out
    2011    -12-10 02:53:19 [INFO] Read timed out
    2011    -12-10 02:53:24 [INFO] Connection reset
    2011    -12-10 02:53:24 [INFO] Connection reset
    2011    -12-10 02:53:26 [INFO] Connection reset
    2011    -12-10 02:53:32 [INFO] Read timed out
    Any suggestion ? :oops:
     
    Adrenaline, Dec 10, 2011
    #1
  2. Offline

    Adrenaline

    Refresh.
     
    Adrenaline, Dec 11, 2011
    #2
  3. Offline

    Phaedrus

    Does this happen with any other bukkit versions?
    What plugins are you running?
    What is happening in game when this occurs?
     
    Phaedrus, Dec 11, 2011
    #3
  4. Offline

    Adrenaline

    1. I dont try to degrade build, i try..

    2. Ancient Gates, BanReport, Catacombs, CraftBook, xAuth, Iconomy6, Simple Region Market, WorldGuard, WorldEdit, commandbook, DChatCleaner, Jobs, MobArena, NoLagg, PermissionsEX, antirain, StopLava, InventorySQL, AutoMessage, LWC, MinecraftRKit (remote toolkit), MobRider, Register-1.5, VIPkick

    3. Normal lag.. cannot place/break blocks but at console i can type reload, stop, save etd.. :/

    Small news... when i disable endermans have same crash but diffrent code

    OLD:
    PHP:
    2011-12-10 02:52:48 [SEVERE] java.lang.NullPointerException
    2011    -12-10 02:52:48 [SEVERE]     at net.minecraft.server.World.findNearbyVulnerablePlayer(World.java:2568)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.World.findNearbyVulnerablePlayer(World.java:2558)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.EntitySlime.m_(EntitySlime.java:95)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.EntityLiving.d(EntityLiving.java:887)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.EntityLiving.w_(EntityLiving.java:297)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.EntitySlime.w_(EntitySlime.java:70)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.World.entityJoinedWorld(World.java:1253)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:107)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.World.playerJoinedWorld(World.java:1235)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.World.tickEntities(World.java:1142)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:518)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:425)
    2011-12-10 02:52:48 [SEVERE]     at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)
    2011-12-10 02:52:48 [SEVERE] Unexpected exception
    java    .lang.NullPointerException
        at net    .minecraft.server.World.findNearbyVulnerablePlayer(World.java:2568)
            at net.minecraft.server.World.findNearbyVulnerablePlayer(World.java:2558)
            at net.minecraft.server.EntitySlime.m_(EntitySlime.java:95)
            at net.minecraft.server.EntityLiving.d(EntityLiving.java:887)
            at net.minecraft.server.EntityLiving.w_(EntityLiving.java:297)
            at net.minecraft.server.EntitySlime.w_(EntitySlime.java:70)
            at net.minecraft.server.World.entityJoinedWorld(World.java:1253)
            at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:107)
            at net.minecraft.server.World.playerJoinedWorld(World.java:1235)
            at net.minecraft.server.World.tickEntities(World.java:1142)
            at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:518)
            at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:425)
            at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)
    NEW:
    PHP:
    2011-12-11 11:27:58 [SEVERE] java.lang.NullPointerException
    2011    -12-11 11:27:58 [SEVERE]     at net.minecraft.server.World.findNearbyVulnerablePlayer(World.java:2568)
    2011-12-11 11:27:58 [SEVERE]     at net.minecraft.server.World.findNearbyVulnerablePlayer(World.java:2558)
    2011-12-11 11:27:58 [SEVERE]     at net.minecraft.server.EntityMonster.findTarget(EntityMonster.java:38)
    2011-12-11 11:27:58 [SEVERE]     at net.minecraft.server.EntityCreature.m_(EntityCreature.java:35)
    2011-12-11 11:27:58 [SEVERE]     at net.minecraft.server.EntityLiving.d(EntityLiving.java:887)
    2011-12-11 11:27:58 [SEVERE]     at net.minecraft.server.EntityMonster.d(EntityMonster.java:27)
    2011-12-11 11:27:58 [SEVERE]     at net.minecraft.server.EntityZombie.d(EntityZombie.java:38)
    2011-12-11 11:27:58 [SEVERE]     at net.minecraft.server.EntityLiving.w_(EntityLiving.java:297)
    2011-12-11 11:27:58 [SEVERE]     at net.minecraft.server.EntityMonster.w_(EntityMonster.java:31)
    2011-12-11 11:27:58 [SEVERE]     at net.minecraft.server.World.entityJoinedWorld(World.java:1253)
    2011-12-11 11:27:58 [SEVERE]     at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:107)
    2011-12-11 11:27:58 [SEVERE]     at net.minecraft.server.World.playerJoinedWorld(World.java:1235)
    2011-12-11 11:27:58 [SEVERE]     at net.minecraft.server.World.tickEntities(World.java:1142)
    2011-12-11 11:27:58 [SEVERE]     at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:518)
    2011-12-11 11:27:58 [SEVERE]     at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:425)
    2011-12-11 11:27:58 [SEVERE]     at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)
    2011-12-11 11:27:58 [SEVERE] Unexpected exception
    java    .lang.NullPointerException
        at net    .minecraft.server.World.findNearbyVulnerablePlayer(World.java:2568)
            at net.minecraft.server.World.findNearbyVulnerablePlayer(World.java:2558)
            at net.minecraft.server.EntityMonster.findTarget(EntityMonster.java:38)
            at net.minecraft.server.EntityCreature.m_(EntityCreature.java:35)
            at net.minecraft.server.EntityLiving.d(EntityLiving.java:887)
            at net.minecraft.server.EntityMonster.d(EntityMonster.java:27)
            at net.minecraft.server.EntityZombie.d(EntityZombie.java:38)
            at net.minecraft.server.EntityLiving.w_(EntityLiving.java:297)
            at net.minecraft.server.EntityMonster.w_(EntityMonster.java:31)
            at net.minecraft.server.World.entityJoinedWorld(World.java:1253)
            at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:107)
            at net.minecraft.server.World.playerJoinedWorld(World.java:1235)
            at net.minecraft.server.World.tickEntities(World.java:1142)
            at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:518)
            at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:425)
            at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)
    EDIT by Moderator: merged posts, please use the edit button instead of double posting.
     
    Last edited by a moderator: May 22, 2016
    Adrenaline, Dec 11, 2011
    #4
  5. Offline

    flintebassen

    i get the exact same errors as you ...
    Server crashes 2-3 times every day.
     
    flintebassen, Dec 12, 2011
    #5
  6. Offline

    Adrenaline

    Refresh. Server dont crash ... maybe week? and now start crashes T_T this is log:

    PHP:
    2011-12-21 07:53:39 [SEVERE] java.lang.NullPointerException
    2011    -12-21 07:53:39 [SEVERE]     at net.minecraft.server.World.findNearbyVulnerablePlayer(World.java:2568)
    2011-12-21 07:53:39 [SEVERE]     at net.minecraft.server.World.findNearbyVulnerablePlayer(World.java:2558)
    2011-12-21 07:53:39 [SEVERE]     at net.minecraft.server.EntityMonster.findTarget(EntityMonster.java:38)
    2011-12-21 07:53:39 [SEVERE]     at net.minecraft.server.EntityCreature.m_(EntityCreature.java:35)
    2011-12-21 07:53:39 [SEVERE]     at net.minecraft.server.EntityLiving.d(EntityLiving.java:887)
    2011-12-21 07:53:39 [SEVERE]     at net.minecraft.server.EntityMonster.d(EntityMonster.java:27)
    2011-12-21 07:53:39 [SEVERE]     at net.minecraft.server.EntityZombie.d(EntityZombie.java:38)
    2011-12-21 07:53:39 [SEVERE]     at net.minecraft.server.EntityLiving.w_(EntityLiving.java:297)
    2011-12-21 07:53:39 [SEVERE]     at net.minecraft.server.EntityMonster.w_(EntityMonster.java:31)
    2011-12-21 07:53:39 [SEVERE]     at net.minecraft.server.World.entityJoinedWorld(World.java:1253)
    2011-12-21 07:53:39 [SEVERE]     at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:107)
    2011-12-21 07:53:39 [SEVERE]     at net.minecraft.server.World.playerJoinedWorld(World.java:1235)
    2011-12-21 07:53:39 [SEVERE]     at net.minecraft.server.World.tickEntities(World.java:1142)
    2011-12-21 07:53:39 [SEVERE]     at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:518)
    2011-12-21 07:53:39 [SEVERE]     at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:425)
    2011-12-21 07:53:39 [SEVERE]     at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)
    2011-12-21 07:53:39 [SEVERE] Unexpected exception
    java    .lang.NullPointerException
        at net    .minecraft.server.World.findNearbyVulnerablePlayer(World.java:2568)
            at net.minecraft.server.World.findNearbyVulnerablePlayer(World.java:2558)
            at net.minecraft.server.EntityMonster.findTarget(EntityMonster.java:38)
            at net.minecraft.server.EntityCreature.m_(EntityCreature.java:35)
            at net.minecraft.server.EntityLiving.d(EntityLiving.java:887)
            at net.minecraft.server.EntityMonster.d(EntityMonster.java:27)
            at net.minecraft.server.EntityZombie.d(EntityZombie.java:38)
            at net.minecraft.server.EntityLiving.w_(EntityLiving.java:297)
            at net.minecraft.server.EntityMonster.w_(EntityMonster.java:31)
            at net.minecraft.server.World.entityJoinedWorld(World.java:1253)
            at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:107)
            at net.minecraft.server.World.playerJoinedWorld(World.java:1235)
            at net.minecraft.server.World.tickEntities(World.java:1142)
            at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:518)
            at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:425)
            at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)
     
    Adrenaline, Dec 21, 2011
    #6
  7. Offline

    pyraetos

    Have you updated to the latest recommended build?
     
    pyraetos, Dec 21, 2011
    #7
  8. Offline

    Adrenaline

    yup.
    i use #1611

    This is possible if someone from players found a "exploit" (error) at game and use it to crash server ? ... :/
     
    Adrenaline, Dec 21, 2011
    #8
  9. Offline

    pyraetos

    Probably not, try using it with a different world folder just to test if you still get the error, then test it without each plugin.
     
    pyraetos, Dec 21, 2011
    #9
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