[英]log4j not using third-party appender (SumoLogic) when executing the main app via a fat jar
[英]Third-party jar (Twitter4J) in Minecraft Server with Bukkit
我已經在Android上看到Twitter4j的許多錯誤,但是我沒有在Android上使用它。 我正在將其用於Bukkit(《我的世界》插件)。 由於某些原因,當我將twitter4j-core-3.0.3.jar添加到我的項目時,在服務器控制台中加載時出現錯誤:
[SEVERE] Could not load 'plugins\Test.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: twitter4j/TwitterException
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:184)
at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:305)
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:230)
at org.bukkit.craftbukkit.v1_6_R2.CraftServer.loadPlugins(CraftServer.java:239)
at org.bukkit.craftbukkit.v1_6_R2.CraftServer.<init>(CraftServer.java:217)
at net.minecraft.server.v1_6_R2.PlayerList.<init>(PlayerList.java:56)
at net.minecraft.server.v1_6_R2.DedicatedPlayerList.<init>(SourceFile:11)
at net.minecraft.server.v1_6_R2.DedicatedServer.init(DedicatedServer.java:106)
at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:391)
at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)
Caused by: java.lang.NoClassDefFoundError: twitter4j/TwitterException
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:173)
... 9 more
Caused by: java.lang.ClassNotFoundException: twitter4j.TwitterException
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:80)
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 12 more`
由於我是Java的新手,所以我在這里確實沒有犯錯。 這是我的代碼(我認為這不是問題,因為插件無法加載...:
String TWITTER_CONSUMER_KEY = "XXXXXXXX";
String TWITTER_SECRET_KEY = "XXXXXX";
String TWITTER_ACCESS_TOKEN = "XXXXXXXXXX";
String TWITTER_ACCESS_TOKEN_SECRET = "XXXXXX";
ConfigurationBuilder cb = new ConfigurationBuilder();
cb.setDebugEnabled(true).setOAuthConsumerKey(TWITTER_CONSUMER_KEY).setOAuthConsumerSecret(TWITTER_SECRET_KEY).setOAuthAccessToken(TWITTER_ACCESS_TOKEN).setOAuthAccessTokenSecret(TWITTER_ACCESS_TOKEN_SECRET);
TwitterFactory tf = new TwitterFactory(cb.build());
Twitter twitter = tf.getInstance();
try {
Query query = new Query(Username);
QueryResult result;
do {
result = twitter.search(query);
List<Status> tweets = result.getTweets();
for (Status tweet : tweets)
{
String rawJSON = DataObjectFactory.getRawJSON(tweet);
try
{
BufferedWriter out = new BufferedWriter(new FileWriter((getDataFolder() + File.separator + "TwitterData.txt")));
out.write(rawJSON);
out.close();
}
catch (IOException ioe)
{
ioe.printStackTrace();
System.out.println("Failed to store tweets: " + ioe.getMessage());
}
}
}
while ((query = result.nextQuery()) != null);
System.exit(0);
}
catch (TwitterException te)
{
te.printStackTrace();
System.out.println("Failed to search tweets: " + te.getMessage());
System.exit(-1);
}
為什么Twitter4j無法正確加載? 謝謝!
編輯:另外,twitter4j-core-3.03.jar在我的計算機上的另一個目錄中。 那是個問題嗎?
Java程序所需的所有jar都必須位於服務器的類路徑上。 這包括您所用的Twitter4J。
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