Question Failed To BIND to port

Discussion in 'Bukkit Help' started by hazel navillus, Sep 12, 2015.

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    hazel navillus

    why. Idk what to do.
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    Make sure that you have the port 25565 open and other programs are not using this port. Also try changing the port number in your server settings to something else.
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    hazel navillus

    this is what it comes up with
    ---- Minecraft Crash Report ----
    // Why is it breaking :(

    Time: 13/09/15 3:31 PM
    Description: Exception in server tick loop

    java.lang.NullPointerException: Exception in server tick loop
    at net.minecraft.server.v1_7_R3.DedicatedServer.aB(
    at net.minecraft.server.v1_7_R3.DedicatedServer.a(

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

    -- System Details --
    Minecraft Version: 1.7.9
    Operating System: Windows 8.1 (x86) version 6.3
    Java Version: 1.8.0_45, Oracle Corporation
    Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
    Memory: 911140856 bytes (868 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 MB)
    JVM Flags: 2 total; -Xms1024M -Xmx1024M
    AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    CraftBukkit Information:
    Failed to handle CraftCrashReport:
    at org.bukkit.Bukkit.getName(
    at net.minecraft.server.v1_7_R3.CrashReportSystemDetails.a(SourceFile:74)
    at net.minecraft.server.v1_7_R3.CrashReport.h(
    at net.minecraft.server.v1_7_R3.CrashReport.<init>(

    Profiler Position: N/A (disabled)
    Is Modded: ~~ERROR~~ NullPointerException: null
    Type: Dedicated Server (map_server.txt)
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    If you double-click a server jar file, it will launch a phantom instance, and then any attempt to launch a real server from a BAT file or script in MacOS will result in the unable to bind to port problem...

    Also, if you have put a value in the IP= part of the file, that can contribute - so make sure its blanked out of that file.

    The crash log means nothing unless its a totally unrelated issue during startup where no port binding error occurs, and it crashes midway through world creation...

    If you are unable to clear the error, reboot your computer that will kill any phantom processes for sure, and make sure to only use the appropriate launcher script/file code correctly - failure to use a correct script to launch will end up with phantom servers that you can't access yet are going to prevent new isntances starting.
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