[英]BIG_INT error with UcanAccess and Java
我嘗試連接數據庫只是嘗試UcanAccess,就像我在這里找到的一個例子,但它不起作用,它有一個BIG_INT錯誤,我不知道如何解決它; 我在java8上工作,我添加了commons-lag 2.6,commons-logging 1.1.1,hsqldb 2.1.4,jackaccess 2.1.6和ucanaccess 4.0.4,我在win10上工作的代碼如下:
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class MsAccessDatabaseConnectionInJava8 {
public static void main(String[] args) {
// variables
Connection connection = null;
Statement statement = null;
ResultSet resultSet = null;
// Step 1: Loading or registering Oracle JDBC driver class
/*try {
Class.forName("net.ucanaccess.jdbc.UcanaccessDriver");
}
catch(ClassNotFoundException cnfex) {
System.out.println("Problem in loading or "
+ "registering MS Access JDBC driver");
cnfex.printStackTrace();
}*/
// Step 2: Opening database connection
try {
String msAccDB = "C:/Users/utente/Documents/Prova.accdb";
String dbURL = "jdbc:ucanaccess://" +msAccDB;
// Step 2.A: Create and get connection using DriverManager class
connection = DriverManager.getConnection(dbURL);
// Step 2.B: Creating JDBC Statement
statement = connection.createStatement();
// Step 2.C: Executing SQL & retrieve data into ResultSet
resultSet = statement.executeQuery("SELECT * FROM PLAYER");
System.out.println("ID\tName\t\t\tAge\tMatches");
System.out.println("==\t================\t===\t=======");
// processing returned data and printing into console
while(resultSet.next()) {
System.out.println(resultSet);
}
}
catch(SQLException sqlex){
sqlex.printStackTrace();
}
finally {
// Step 3: Closing database connection
try {
if(null != connection) {
// cleanup resources, once after processing
resultSet.close();
statement.close();
// and then finally close connection
connection.close();
}
}
catch (SQLException sqlex) {
sqlex.printStackTrace();
}
}
}
}
這些是錯誤:
Exception in thread "main" java.lang.NoSuchFieldError: BIG_INT
at net.ucanaccess.converters.TypesMap.<clinit>(TypesMap.java:91)
at net.ucanaccess.converters.LoadJet$FunctionsLoader.addFunctions(LoadJet.java:125)
at net.ucanaccess.converters.LoadJet$FunctionsLoader.loadMappedFunctions(LoadJet.java:237)
at net.ucanaccess.converters.LoadJet$FunctionsLoader.access$3100(LoadJet.java:74)
at net.ucanaccess.converters.LoadJet.loadDB(LoadJet.java:1557)
at net.ucanaccess.jdbc.UcanaccessDriver.connect(UcanaccessDriver.java:218)
at java.sql.DriverManager.getConnection(DriverManager.java:664)
at java.sql.DriverManager.getConnection(DriverManager.java:270)
at controller.MsAccessDatabaseConnectionInJava8.main(MsAccessDatabaseConnectionInJava8.java:37)
您沒有使用UCanAccess 4.0.4的正確依賴項。 他們是:
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