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Currently supported: All versions

How to: Link an external library

sbcroix
in Modder Support

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Posted

I have tried and tried, but I can't seem to get an external library linked.

 

Has anyone done this?  Can they help!!

  • Quote

    What do you mean with external lib?

     

    i know what external is and what lib is but the combination of it is for me new.

  • Quote
    • Author

    I have a library developed by a third party (external) that I want to use.

     

    This one to be exact - http://xstream.codehaus.org/download.html

    I download it, drop it in the libs folder and add it to my class path.

    I also found some information stating i should add it to the mods dir to have it get added to the class path.

     

    When I actually try to use it I get a Java null pointer exception, as outlined below.

     

     

     

    2013-02-25 21:06:08 [iNFO] [ForgeModLoader] FML has found a non-mod file xstream-1.4.4.jar in your mods directory. It will now be injected into your classpath. This could severe stability issues, it should be removed if possible.

    2013-02-25 21:06:09 [iNFO] [ForgeModLoader] Configured a dormant chunk cache size of 0

    2013-02-25 21:06:09 [sEVERE] [ForgeModLoader] Fatal errors were detected during the transition from PREINITIALIZATION to INITIALIZATION. Loading cannot continue

    2013-02-25 21:06:09 [sEVERE] [ForgeModLoader]

    mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized

    FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized

    Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized

    bobber [bobber Mod] (bin) Unloaded->Constructed->Errored

    2013-02-25 21:06:09 [sEVERE] [ForgeModLoader] The following problems were captured during this phase

    2013-02-25 21:06:09 [sEVERE] [ForgeModLoader] Caught exception from bobber

    java.lang.Error: Unresolved compilation problems:

    The import com.thoughtworks cannot be resolved

    XStream cannot be resolved to a type

    XStream cannot be resolved to a type

     

    at bob.bobsmod.manifest.Manifest.<init>(Manifest.java:8)

    at bob.bobsmod.CommonProxy.ConfigInit(CommonProxy.java:13)

    at bob.bobsmod.preInit(bobsmod.java:49)

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

    at java.lang.reflect.Method.invoke(Unknown Source)

    at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:487)

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

    at java.lang.reflect.Method.invoke(Unknown Source)

    at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)

    at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)

    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)

    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)

    at com.google.common.eventbus.EventBus.post(EventBus.java:268)

    at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:153)

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

    at java.lang.reflect.Method.invoke(Unknown Source)

    at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)

    at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)

    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)

    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)

    at com.google.common.eventbus.EventBus.post(EventBus.java:268)

    at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:86)

    at cpw.mods.fml.common.Loader.loadMods(Loader.java:505)

    at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:161)

    at net.minecraft.client.Minecraft.startGame(Minecraft.java:410)

    at net.minecraft.client.MinecraftAppletImpl.startGame(MinecraftAppletImpl.java:44)

    at net.minecraft.client.Minecraft.run(Minecraft.java:744)

    at java.lang.Thread.run(Unknown Source)

    2013-02-25 21:06:19 [iNFO] [sTDERR] cpw.mods.fml.common.LoaderException: java.lang.Error: Unresolved compilation problems:

    The import com.thoughtworks cannot be resolved

    XStream cannot be resolved to a type

    XStream cannot be resolved to a type

    2013-02-25 21:06:19 [iNFO] [sTDERR] at cpw.mods.fml.common.LoadController.transition(LoadController.java:130)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at cpw.mods.fml.common.Loader.loadMods(Loader.java:506)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:161)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at net.minecraft.client.Minecraft.startGame(Minecraft.java:410)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at net.minecraft.client.MinecraftAppletImpl.startGame(MinecraftAppletImpl.java:44)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at net.minecraft.client.Minecraft.run(Minecraft.java:744)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at java.lang.Thread.run(Unknown Source)

    2013-02-25 21:06:19 [iNFO] [sTDERR] Caused by: java.lang.Error: Unresolved compilation problems:

    The import com.thoughtworks cannot be resolved

    XStream cannot be resolved to a type

    XStream cannot be resolved to a type

    2013-02-25 21:06:19 [iNFO] [sTDERR] at bob.bobsmod.manifest.Manifest.<init>(Manifest.java:8)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at bob.bobsmod.CommonProxy.ConfigInit(CommonProxy.java:13)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at bob.bobsmod.bobber.preInit(bobber.java:49)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at java.lang.reflect.Method.invoke(Unknown Source)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:487)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at java.lang.reflect.Method.invoke(Unknown Source)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at com.google.common.eventbus.EventBus.post(EventBus.java:268)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:153)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at java.lang.reflect.Method.invoke(Unknown Source)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at com.google.common.eventbus.EventBus.post(EventBus.java:268)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:86)

    2013-02-25 21:06:19 [iNFO] [sTDERR] at cpw.mods.fml.common.Loader.loadMods(Loader.java:505)

     

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