On startup error: java.lang.IllegalArgumentException: File cannot be null

Discussion in 'Plugin Development' started by peti446, Sep 28, 2013.

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  1. Offline

    peti446

    Hi i have this code for create a custom config:
    Code:java
    1.  
    2. package me.peti446.example;
    3.  
    4. import java.io.File;
    5. import java.io.FileOutputStream;
    6. import java.io.IOException;
    7. import java.io.InputStream;
    8. import java.io.OutputStream;
    9. import java.util.HashMap;
    10. import java.util.Map.Entry;
    11.  
    12. import org.bukkit.Bukkit;
    13. import org.bukkit.ChatColor;
    14. import org.bukkit.Material;
    15. import org.bukkit.command.Command;
    16. import org.bukkit.command.CommandSender;
    17. import org.bukkit.configuration.file.FileConfiguration;
    18. import org.bukkit.configuration.file.YamlConfiguration;
    19. import org.bukkit.enchantments.Enchantment;
    20. import org.bukkit.entity.Player;
    21. import org.bukkit.inventory.ItemStack;
    22. import org.bukkit.inventory.meta.ItemMeta;
    23. import org.bukkit.plugin.java.JavaPlugin;
    24.  
    25. public class ExampleClass extends JavaPlugin{
    26.  
    27.     File cooldownarchivo;
    28.     FileConfiguration cooldown;
    29.  
    30.     public int ID = 0;
    31.     public long Intervall = getConfig().getInt("Autoguardado");
    32.     public boolean rennt = true;
    33.     @Override
    34.     public void onDisable(){
    35.         saveYmls();
    36.     }
    37.     @Override
    38.     public void onEnable(){
    39.         cooldownarchivo = new File(getDataFolder(), "cooldown.yml");
    40.         try{
    41.             firstrun();
    42.         } catch (Exception e) {
    43.  
    44.         }
    45.         cooldown = new YamlConfiguration();
    46.         loadYmls();
    47.     }
    48.     public boolean onCommand(CommandSender sender, Command cmd, String cmdLeabel, String[] args){
    49.  
    50.     }
    51.     public void copy(InputStream in, File file){
    52.         try{
    53.             OutputStream out = new FileOutputStream(file);
    54.             byte[] buf = new byte[1024];
    55.             int len;
    56.             while((len = in.read(buf)) > 0){
    57.                 out.write(buf, 0 ,len);
    58.             }
    59.             out.close();
    60.             in.close();
    61.         } catch (Exception e) {
    62.  
    63.         }
    64.     }
    65.     private void firstrun() throws Exception {
    66.         if(!cooldownarchivo.exists()){
    67.             cooldownarchivo.getParentFile().mkdirs();
    68.             copy(getResource("cooldown.yml"), cooldownarchivo);
    69.         }
    70.     }
    71.     public void saveYmls(){
    72.         try{
    73.             cooldown.save(cooldownarchivo);
    74.         } catch ( IOException e) {
    75.  
    76.         }
    77.     }
    78.     public void loadYamls(){
    79.         try{
    80.             cooldown.load(cooldownarchivo);
    81.         } catch (Exception e) {
    82.  
    83.         }
    84.     }
    85. }
    86.  

    But when i start my server i get his error:
    Code:java
    1. 2013-09-28 19:58:24 [SEVERE] Could not load 'plugins\example.jar' in folder 'plugins'
    2. org.bukkit.plugin.InvalidPluginException: java.lang.IllegalArgumentException: File cannot be null
    3. at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:182)
    4. at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:305)
    5. at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:230)
    6. at org.bukkit.craftbukkit.v1_6_R2.CraftServer.loadPlugins(CraftServer.java:239)
    7. at org.bukkit.craftbukkit.v1_6_R2.CraftServer.reload(CraftServer.java:607)
    8. at org.bukkit.Bukkit.reload(Bukkit.java:275)
    9. at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:23)
    10. at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:191)
    11. at org.bukkit.craftbukkit.v1_6_R2.CraftServer.dispatchCommand(CraftServer.java:523)
    12. at org.bukkit.craftbukkit.v1_6_R2.CraftServer.dispatchServerCommand(CraftServer.java:512)
    13. at net.minecraft.server.v1_6_R2.DedicatedServer.ar(DedicatedServer.java:262)
    14. at net.minecraft.server.v1_6_R2.DedicatedServer.t(DedicatedServer.java:227)
    15. at net.minecraft.server.v1_6_R2.MinecraftServer.s(MinecraftServer.java:486)
    16. at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:419)
    17. at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)
    18. Caused by: java.lang.IllegalArgumentException: File cannot be null
    19. at org.apache.commons.lang.Validate.notNull(Validate.java:203)
    20. at org.bukkit.configuration.file.YamlConfiguration.loadConfiguration(YamlConfiguration.java:170)
    21. at org.bukkit.plugin.java.JavaPlugin.reloadConfig(JavaPlugin.java:117)
    22. at org.bukkit.plugin.java.JavaPlugin.getConfig(JavaPlugin.java:111)
    23. at me.peti446.UngasDiamonds.UngasDiamonds.<init>(UngasDiamonds.java:30)
    24. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    25. at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    26. at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    27. at java.lang.reflect.Constructor.newInstance(Unknown Source)
    28. at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:178)
    29. ... 14 more

    why can i solve this ??
     
    peti446, Sep 28, 2013
    #1
  2. Offline

    nisovin

    You're trying to call getConfig() before the plugin is enabled.
     
    nisovin, Sep 28, 2013
    #2
  3. Offline

    peti446

    And why can i get it ?? Because i need get it from the config
    Code:java
    1. public long Intervall = getConfig().getInt("Autoguardado")
     
    peti446, Sep 28, 2013
    #3
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