My friend sent me the IP to a server infact this has happened with 2 IP's he has sent.. both servers can only be used with 1.7 so I change my version and try load the server but when I do it crashes and and gives this crash report: ---- Minecraft Crash Report ----
// Ouch. That hurt

Time: 11/02/15 19:48
Description: Ticking screen

java.lang.IndexOutOfBoundsException: 18496
at java.nio.DirectIntBufferU.get(Unknown Source)
at bls.a(SourceFile:270)
at bls.a(SourceFile:220)
at azd.a(SourceFile:1675)
at azd.a(SourceFile:1633)
at biv.a(SourceFile:113)
at gu.a(SourceFile:70)
at gu.a(SourceFile:13)
at ef.a(SourceFile:164)
at bbe.c(SourceFile:76)
at azd.o(SourceFile:1318)
at azd.ad(SourceFile:753)
at azd.e(SourceFile:704)
at net.minecraft.client.main.Main.main(SourceFile:103)

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

– Head –
Stacktrace:
at java.nio.DirectIntBufferU.get(Unknown Source)
at bls.a(SourceFile:270)
at bls.a(SourceFile:220)
at azd.a(SourceFile:1675)
at azd.a(SourceFile:1633)
at biv.a(SourceFile:113)
at gu.a(SourceFile:70)
at gu.a(SourceFile:13)
at ef.a(SourceFile:164)
at bbe.c(SourceFile:76)

– Affected screen –
Details:
Screen name: bbe

– Affected level –
Details:
Level name: MpServer
All players: 0 total; []
Chunk stats: MultiplayerChunkCache: 0, 0
Level seed: 0
Level generator: ID 01 - flat, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (8,64,8), Chunk: (at 8,4,8 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 0 game time, 0 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 0 total; []
Retry entities: 0 total; []
Server brand: ~_ERROR~ NullPointerException: null
Server type: Non-integrated multiplayer server
Stacktrace:
at biz.a(SourceFile:284)
at azd.b(SourceFile:1951)
at azd.e(SourceFile:713)
at net.minecraft.client.main.Main.main(SourceFile:103)

– System Details –
Details:
Minecraft Version: 1.7.2
Operating System: Windows 8 (x86) version 6.2
Java Version: 1.8.0_31, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 68696656 bytes (65 MB) / 184107008 bytes (175 MB) up to 523501568 bytes (499 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
AABB Pool Size: 18497 (1035832 bytes; 0 MB) allocated, 18497 (1035832 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.7.2
LWJGL: 2.9.0
OpenGL: Intel(R) HD Graphics 4600 GL version 4.0.0 - Build 9.18.10.3071, Intel
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)

I would be happy to hear back or if you could help enlighten me with this issue.