Bonjour,
J'ai écrit un programme qui se connecte à une base MySQL mais j'obtiens l'erreur suivante :
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38 java.sql.SQLException: Communication link failure: java.io.EOFException, underlying cause: null ** BEGIN NESTED EXCEPTION ** java.io.EOFException STACKTRACE: java.io.EOFException at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1394) at com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:1413) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:625) at com.mysql.jdbc.Connection.createNewIO(Connection.java:1782) at com.mysql.jdbc.Connection.<init>(Connection.java:450) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:411) at java.sql.DriverManager.getConnection(DriverManager.java:525) at java.sql.DriverManager.getConnection(DriverManager.java:171) at Application.connect(Application.java:20) at Application.<init>(Application.java:7) at Main.main(Main.java:5) ** END NESTED EXCEPTION ** at com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:1446) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:625) at com.mysql.jdbc.Connection.createNewIO(Connection.java:1782) at com.mysql.jdbc.Connection.<init>(Connection.java:450) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:411) at java.sql.DriverManager.getConnection(DriverManager.java:525) at java.sql.DriverManager.getConnection(DriverManager.java:171) at Application.connect(Application.java:20) at Application.<init>(Application.java:7) at Main.main(Main.java:5) Exception in thread "main" java.lang.NullPointerException at Application.<init>(Application.java:9) at Main.main(Main.java:5)
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