Fehler beim instanziieren SLF4J LoggerFactory

So,

Arbeite ich von zu in diesem Beispiel BONECP:

package javasampleapps;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import com.jolbox.bonecp.BoneCP;
import com.jolbox.bonecp.BoneCPConfig;
/** A test project demonstrating the use of BoneCP in a JDBC environment.
 * @author wwadge
 */
public class BoneCPExample {
    /** Start test
     * @param args none expected.
     */
    public static void main(String[] args) {
        BoneCP connectionPool = null;
        Connection connection = null;
        try {
            // load the database driver (make sure this is in your classpath!)
            Class.forName("com.mysql.jdbc.Driver");
        } catch (Exception e) {
            e.printStackTrace();
            return;
        }
        try {
            // setup the connection pool
            BoneCPConfig config = new BoneCPConfig();
            config.setJdbcUrl("jdbc:mysql://domain/db"); 
            config.setUsername("root"); 
            config.setPassword("pass");
            config.setMinConnectionsPerPartition(5);
            config.setMaxConnectionsPerPartition(10);
            config.setPartitionCount(1);
            connectionPool = new BoneCP(config); // setup the connection pool

            connection = connectionPool.getConnection(); // fetch a connection

            if (connection != null){
                System.out.println("Connection successful!");
                Statement stmt = connection.createStatement();
                ResultSet rs = stmt.executeQuery("SELECT id from batches limit 1"); // do something with the connection.
                while(rs.next()){
                    System.out.println(rs.getString(1)); // should print out "1"'
                }
            }
            connectionPool.shutdown(); // shutdown connection pool.
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            if (connection != null) {
                try {
                    connection.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}

Fügte ich slf4j in meinen Bibliotheken-Menü in netbeans hinzufügen
D:/Documents%20and%20Settings/DavidH/My%20Documents/NetBeansProjects/jars/slf4j-api-1.6.4.jar
und
D:/Documents%20and%20Settings/DavidH/My%20Documents/NetBeansProjects/jars/slf4j-log4j12-1.6.4.jar
um die Bibliothek.

Dann machte ich eine Google Guava library Hinzugefügt und das Glas, dass Sie verteilen für die, die in einer anderen Bibliothek.

Ich habe dann Hinzugefügt, sowohl der Bibliotheken zum Projekt und hit run.

Bekomme ich jetzt diese Fehlermeldung:

Failed to instantiate SLF4J LoggerFactory
Reported exception:
java.lang.NoClassDefFoundError: org/apache/log4j/Level
    at org.slf4j.LoggerFactory.bind(LoggerFactory.java:128)
    at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:108)
    at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:279)
    at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:252)
    at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:265)
    at com.jolbox.bonecp.BoneCPConfig.<clinit>(BoneCPConfig.java:60)
    at javasampleapps.BoneCPExample.main(BoneCPExample.java:28)
Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Level
    at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
    ... 7 more
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/log4j/Level
    at org.slf4j.LoggerFactory.bind(LoggerFactory.java:128)
    at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:108)
    at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:279)
    at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:252)
    at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:265)
    at com.jolbox.bonecp.BoneCPConfig.<clinit>(BoneCPConfig.java:60)
    at javasampleapps.BoneCPExample.main(BoneCPExample.java:28)
Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Level
    at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
    ... 7 more
Java Result: 1
BUILD SUCCESSFUL (total time: 0 seconds)

Was kann ich tun um dies zu beheben?

InformationsquelleAutor davidahines | 2011-12-05

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