Server glitchs/problems I have had

I have been getting this annoying error ONLY when I am on mcworldmap... anyone elce getting this?

Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem; Unexpected error
This error has been saved to C:\Users\(name)\AppData\Roaming\.minecraft\crash-reports\crash-2012-08-07_23.11.04-client.txt for your convenience. Please include a copy of this file if you report this crash to anyone.

--- BEGIN ERROR REPORT df014b17 --------
Generated 8/7/12 11:11 PM

- Minecraft Version: 1.3.1
- Operating System: Windows 7 (amd64) version 6.1
- Java Version: 1.7.0_04, Oracle Corporation
- Java VM Version: Java HotSpot™ 64-Bit Server VM (mixed mode), Oracle Corporation
- Memory: 230530688 bytes (219 MB) / 474087424 bytes (452 MB) up to 954466304 bytes (910 MB)
- JVM Flags: 2 total; -Xms512m -Xmx1024m
- LWJGL: 2.4.2
- OpenGL: Intel® HD Graphics Family GL version 3.0.0 - Build 8.15.10.2291, Intel
- Is Modded: Probably not
- Type: Client
- Texture Pack: Default
- Profiler Position: N/A (disabled)
- World MpServer Entities: 4 total; [atf['Nathangorr'/43757, l='MpServer', x=-448.50, y=65.62, z=893.32], nw['Skeleton'/465814, l='MpServer', x=-443.68, y=64.00, z=948.80], nn['Creeper'/465428, l='MpServer', x=-513.26, y=66.00, z=930.32], oc['Villager'/467919, l='MpServer', x=-451.50, y=62.77, z=832.50]]
- World MpServer Players: 1 total; [atf['Nathangorr'/43757, l='MpServer', x=-448.50, y=65.62, z=893.32]]
- World MpServer Chunk Stats: MultiplayerChunkCache: 208
- Forced Entities: 34 total; [jy['Painting'/25323, l='MpServer', x=392.94, y=31.50, z=517.00], jy['Painting'/25322, l='MpServer', x=392.94, y=31.50, z=519.00], jy['Painting'/25327, l='MpServer', x=392.94, y=33.00, z=517.00], jy['Painting'/25326, l='MpServer', x=392.94, y=33.00, z=519.00], ni['item.tile.cloth.lightBlue'/49299, l='MpServer', x=367.81, y=29.13, z=538.81], jy['Painting'/436201, l='MpServer', x=-434.00, y=47.50, z=1201.94], ni['item.item.rottenFlesh'/58795, l='MpServer', x=-392.06, y=68.13, z=767.09], nw['Skeleton'/465814, l='MpServer', x=-443.68, y=64.00, z=948.80], atf['Nathangorr'/43757, l='MpServer', x=-448.50, y=65.62, z=893.32], ni['item.item.rottenFlesh'/47687, l='MpServer', x=-397.97, y=69.13, z=794.59], jy['Painting'/30616, l='MpServer', x=376.50, y=33.50, z=486.06], jy['Painting'/30617, l='MpServer', x=375.50, y=33.50, z=486.06], jy['Painting'/30618, l='MpServer', x=376.50, y=34.50, z=486.06], jy['Painting'/30619, l='MpServer', x=375.50, y=34.50, z=486.06], jy['Painting'/30620, l='MpServer', x=376.00, y=32.50, z=486.06], jy['Painting'/30621, l='MpServer', x=377.50, y=35.00, z=486.06], jy['Painting'/30622, l='MpServer', x=379.50, y=34.50, z=486.06], jy['Painting'/30623, l='MpServer', x=378.50, y=34.50, z=486.06], jy['Painting'/30615, l='MpServer', x=376.00, y=31.50, z=486.06], ni['item.item.rottenFlesh'/47414, l='MpServer', x=-490.53, y=68.13, z=792.59], jy['Painting'/47160, l='MpServer', x=-453.06, y=64.50, z=797.00], jy['Painting'/47161, l='MpServer', x=-454.94, y=64.50, z=797.00], oc['Villager'/467919, l='MpServer', x=-451.50, y=62.77, z=832.50], ni['item.item.slimeball'/43431, l='MpServer', x=432.50, y=25.13, z=583.88], ni['item.item.rottenFlesh'/47162, l='MpServer', x=-458.88, y=64.13, z=784.09], jy['Painting'/46470, l='MpServer', x=-454.94, y=64.50, z=800.00], jy['Painting'/30380, l='MpServer', x=392.94, y=33.00, z=493.00], jy['Painting'/30378, l='MpServer', x=392.94, y=31.50, z=493.00], jy['Painting'/46469, l='MpServer', x=-453.06, y=64.50, z=800.00], jy['Painting'/30624, l='MpServer', x=379.00, y=32.50, z=486.06], auq['fireblazer2389'/24640, l='MpServer', x=372.44, y=30.00, z=482.75], jy['Painting'/30318, l='MpServer', x=392.94, y=32.50, z=496.00], nn['Creeper'/465428, l='MpServer', x=-513.26, y=66.00, z=930.32], ni['item.item.rottenFlesh'/58795, l='MpServer', x=-392.06, y=68.13, z=767.09]]
- Retry Entities: 0 total; []

java.lang.ClassCastException: aia cannot be cast to afd
at axk.a(SourceFile:25)
at axk.a(SourceFile:10)
at axr.a(SourceFile:100)
at axr.a(SourceFile:93)
at ava.a(RenderGlobal.java:472)
at auv.a(EntityRenderer.java:1361)
at auv.b(EntityRenderer.java:1084)
at net.minecraft.client.Minecraft.J(SourceFile:607)
at net.minecraft.client.Minecraft.run(SourceFile:535)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT ea2c62b0 ----------

---

and again

Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem; Unexpected error
This error has been saved to C:\Users\(name)\AppData\Roaming\.minecraft\crash-reports\crash-2012-08-07_23.51.39-client.txt for your convenience. Please include a copy of this file if you report this crash to anyone.

--- BEGIN ERROR REPORT d393f87d --------
Generated 8/7/12 11:51 PM

- Minecraft Version: 1.3.1
- Operating System: Windows 7 (amd64) version 6.1
- Java Version: 1.7.0_04, Oracle Corporation
- Java VM Version: Java HotSpot™ 64-Bit Server VM (mixed mode), Oracle Corporation
- Memory: 295067344 bytes (281 MB) / 505675776 bytes (482 MB) up to 954466304 bytes (910 MB)
- JVM Flags: 2 total; -Xms512m -Xmx1024m
- LWJGL: 2.4.2
- OpenGL: Intel® HD Graphics Family GL version 3.0.0 - Build 8.15.10.2291, Intel
- Is Modded: Probably not
- Type: Client
- Texture Pack: Default
- Profiler Position: N/A (disabled)
- World MpServer Entities: 1 total; [atf['Nathangorr'/3928623, l='MpServer', x=-270.55, y=69.62, z=249.37]]
- World MpServer Players: 3 total; [atf['Nathangorr'/3928623, l='MpServer', x=-270.55, y=69.62, z=249.37], auq['EnG_CrYs'/3848424, l='MpServer', x=-287.66, y=68.02, z=248.16], auq['skeight'/2471, l='MpServer', x=-286.59, y=69.02, z=247.50]]
- World MpServer Chunk Stats: MultiplayerChunkCache: 11
- Forced Entities: 56 total; [atf['Nathangorr'/3928623, l='MpServer', x=-270.55, y=69.62, z=249.37], jy['Painting'/3621345, l='MpServer', x=-192.94, y=64.50, z=353.00], jy['Painting'/3420233, l='MpServer', x=-232.00, y=61.50, z=269.94], auq['skeight'/2471, l='MpServer', x=-286.59, y=69.02, z=247.50], jy['Painting'/3620907, l='MpServer', x=-192.94, y=64.50, z=349.50], jy['Painting'/3620919, l='MpServer', x=-188.50, y=64.50, z=341.06], jy['Painting'/3563683, l='MpServer', x=-367.06, y=43.00, z=87.00], ni['item.item.spiderEye'/4021476, l='MpServer', x=-287.65, y=70.13, z=275.40], ni['item.item.bone'/3863185, l='MpServer', x=-334.66, y=-10.83, z=324.88], ni['item.item.arrow'/3863184, l='MpServer', x=-335.00, y=-10.83, z=324.38], jy['Painting'/3424852, l='MpServer', x=-186.06, y=58.00, z=135.00], jy['Painting'/3416043, l='MpServer', x=-269.06, y=70.00, z=278.00], ni['item.item.egg'/3894808, l='MpServer', x=-277.56, y=61.13, z=230.28], auq['EnG_CrYs'/3848424, l='MpServer', x=-287.66, y=68.02, z=248.16], jy['Painting'/4015612, l='MpServer', x=-233.06, y=61.00, z=439.00], jy['Painting'/4016171, l='MpServer', x=-387.06, y=80.50, z=438.00], jy['Painting'/4016172, l='MpServer', x=-387.06, y=80.50, z=441.00], jy['Painting'/4015612, l='MpServer', x=-233.06, y=61.00, z=439.00], ni['item.item.string'/4021475, l='MpServer', x=-288.75, y=70.13, z=275.40], ni['item.item.bone'/3863185, l='MpServer', x=-334.66, y=-37.87, z=324.88], ni['item.item.arrow'/3863184, l='MpServer', x=-334.97, y=-36.14, z=324.38], jy['Painting'/4078336, l='MpServer', x=378.50, y=34.50, z=486.06], jy['Painting'/4078337, l='MpServer', x=379.00, y=32.50, z=486.06], jy['Painting'/4078334, l='MpServer', x=377.50, y=35.00, z=486.06], jy['Painting'/4078335, l='MpServer', x=379.50, y=34.50, z=486.06], jy['Painting'/4078332, l='MpServer', x=375.50, y=34.50, z=486.06], jy['Painting'/4078333, l='MpServer', x=376.00, y=32.50, z=486.06], jy['Painting'/4078330, l='MpServer', x=375.50, y=33.50, z=486.06], ni['item.item.rottenFlesh'/3783432, l='MpServer', x=-290.13, y=73.13, z=141.41], jy['Painting'/4078331, l='MpServer', x=376.50, y=34.50, z=486.06], jy['Painting'/3620907, l='MpServer', x=-192.94, y=64.50, z=349.50], jy['Painting'/4078292, l='MpServer', x=392.94, y=33.00, z=493.00], jy['Painting'/4011502, l='MpServer', x=-340.50, y=83.50, z=418.06], jy['Painting'/4011503, l='MpServer', x=-339.00, y=83.50, z=418.06], jy['Painting'/4011501, l='MpServer', x=-343.50, y=84.50, z=418.06], jy['Painting'/4078328, l='MpServer', x=376.00, y=31.50, z=486.06], jy['Painting'/4078329, l='MpServer', x=376.50, y=33.50, z=486.06], jy['Painting'/3621345, l='MpServer', x=-192.94, y=64.50, z=353.00], jy['Painting'/4230210, l='MpServer', x=-453.06, y=64.50, z=800.00], jy['Painting'/4230211, l='MpServer', x=-454.94, y=64.50, z=800.00], ni['item.item.egg'/3894808, l='MpServer', x=-277.56, y=-57.36, z=230.28], ni['item.item.bone'/3970309, l='MpServer', x=-278.93, y=69.56, z=189.22], jy['Painting'/4076081, l='MpServer', x=392.94, y=31.50, z=517.00], jy['Painting'/4076080, l='MpServer', x=392.94, y=31.50, z=519.00], jy['Painting'/4230548, l='MpServer', x=-454.94, y=64.50, z=797.00], jy['Painting'/3424852, l='MpServer', x=-186.06, y=58.00, z=135.00], auq['SeanFreak'/4231354, l='MpServer', x=-480.53, y=9.02, z=1037.22], jy['Painting'/4076085, l='MpServer', x=392.94, y=33.00, z=517.00], jy['Painting'/4076084, l='MpServer', x=392.94, y=33.00, z=519.00], jy['Painting'/4011502, l='MpServer', x=-340.50, y=83.50, z=418.06], jy['Painting'/4011501, l='MpServer', x=-343.50, y=84.50, z=418.06], jy['Painting'/4011503, l='MpServer', x=-339.00, y=83.50, z=418.06], jy['Painting'/4230547, l='MpServer', x=-453.06, y=64.50, z=797.00], jy['Painting'/3620919, l='MpServer', x=-188.50, y=64.50, z=341.06], jy['Painting'/4011499, l='MpServer', x=-340.00, y=84.00, z=423.94], jy['Painting'/4011500, l='MpServer', x=-344.00, y=84.50, z=423.94]]
- Retry Entities: 0 total; []

java.lang.ClassCastException: aia cannot be cast to afd
at axk.a(SourceFile:25)
at axk.a(SourceFile:10)
at axr.a(SourceFile:100)
at axr.a(SourceFile:93)
at ava.a(RenderGlobal.java:472)
at auv.a(EntityRenderer.java:1361)
at auv.b(EntityRenderer.java:1084)
at net.minecraft.client.Minecraft.J(SourceFile:607)
at net.minecraft.client.Minecraft.run(SourceFile:535)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 7d56541c ----------

It's an error. Probably just lagged too much or something

Try reading it. It's not too hard to get the jist of it. The error report is just a long list of all loaded entities, their xyz coordinates, and then some stuff that will only make sense to someone who is familiar with minecraft code. From that you can tell that something to do with the process of loading entities from the server crashes your game. Maybe you placed too many paintings? there certainly are alot of them in both of the error reports....

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DISCLAIMER: I have a bad[/align] habit of talking in a way that fools most people into thinking that I know ALOT more about the subject than I actually do. In this case, I truly have no understanding of what happened, and none of what I said is based on proven fact.

There were 2 painting in my inv. I didnt place them though... Could painting in your inv. crash minecraft?

Let me rephrase:
Statement 1 (rephrased): perhaps there were too many painting in the loaded chunks. Try teleporting away as soon as you log in. (I could tell fom the reports that you are crashing frequently)
Statement 2 (rephrased): I have no idea what I'm talking about.

ok.....

yeah i get that too i guess the update is not as stable as we think

The update lags like hell, crashes, and completely messed up antixray on the server. It also messed my personal server...

[attachment=438] [attachment=437]

I am not sure what this is about...

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I came out of the nether and it glitched me out into a whole, I could see through everything and underground. Also there was a big hole under me and I keep falling and tped back and falling and tped back

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Let me rephrase:
Statement 1 (rephrased): perhaps there were too many painting in the loaded chunks. Try teleporting away as soon as you log in. (I could tell fom the reports that you are crashing frequently)
Statement 2 (rephrased): I have no idea what I'm talking about.

It seems when ever I use a paining, look at one, or get near to many then my minecraft crashes. Also when I eat to much rotten flesh it crashes or if I have to many idems in my inv,

Read in professor grizwolds voice: CONGRATUALAAATIONS!!!! You have just experienced your first woooorld hooole!!!! These are quite common and can be fixed by reloooging!! (nothing to do with 1.3)
And yeah, those are some pretty specific reasons to crash. Although I think the rotten flesh thing was that you looked in the direction of the paintings. Use shift+f3 to see an entire counter. It is in the format of EntitiesInTheDirectionYou'reLooking/TotalEntites. And is located after the E: near the top left of your screen. Try looking around and noting the numbers yo get when you crash