저는 Amazon RDS를 처음 사용하고 데이터베이스 인스턴스를 설정하기 위해 this 자습서를 따랐습니다. 다음으로, this 자습서를 따라 eclipse에서 데이터베이스 인스턴스에 연결합니다. Amazon RDS 탭 아래 AWS Explorer에서 데이터베이스 인스턴스를 찾을 수 있습니다. 또한 MySQL Workbench를 통해 데이터베이스 인스턴스에 연결할 수 있습니다. 이클립스를 통해 연결을 시도하면이 오류가 발생합니다 :Eclipse를 통해 Amazon RDS에 연결할 수 없습니다.
"데이터베이스에 연결할 수 없습니다. 암호가 정확한지 확인하고 네트워크 및 연결된 모든 방화벽을 통해 데이터베이스에 액세스 할 수 있는지 확인하십시오 . "
Error-Could not connect to Amazon RDS DB: testconnect - US East (Virginia).
Warning-Error creating JDBC Connection connection to Amazon RDS DB: testconnect - US East (Virginia). (Error: Unknown database 'null')
Warning-Error creating SQL Model Connection connection to Amazon RDS DB: testconnect - US East (Virginia). (Error: Unknown database 'null')
오류 로그는 콘솔에 확장 :
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown database 'null'
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:377)
at com.mysql.jdbc.Util.getInstance(Util.java:360)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:978)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3887)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3823)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:870)
at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1659)
at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1206)
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2234)
at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2265)
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2064)
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:790)
at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:44)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:377)
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:395)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:325)
at org.eclipse.datatools.connectivity.drivers.jdbc.JDBCConnection.createConnection(JDBCConnection.java:328)
at org.eclipse.datatools.connectivity.DriverConnectionBase.internalCreateConnection(DriverConnectionBase.java:105)
at org.eclipse.datatools.connectivity.DriverConnectionBase.open(DriverConnectionBase.java:54)
at org.eclipse.datatools.connectivity.drivers.jdbc.JDBCConnection.open(JDBCConnection.java:96)
at org.eclipse.datatools.enablement.internal.mysql.connection.JDBCMySQLConnectionFactory.createConnection(JDBCMySQLConnectionFactory.java:28)
at org.eclipse.datatools.connectivity.internal.ConnectionFactoryProvider.createConnection(ConnectionFactoryProvider.java:83)
at org.eclipse.datatools.connectivity.internal.ConnectionProfile.createConnection(ConnectionProfile.java:359)
at org.eclipse.datatools.connectivity.sqm.internal.core.connection.ConnectionInfoImpl.initializeJDBCConnection(ConnectionInfoImpl.java:705)
at org.eclipse.datatools.connectivity.sqm.internal.core.connection.ConnectionInfoImpl.<init>(ConnectionInfoImpl.java:690)
at org.eclipse.datatools.connectivity.sqm.internal.core.connection.ConnectionFactory.createConnection(ConnectionFactory.java:38)
at org.eclipse.datatools.connectivity.sqm.core.SQMConnectionFactory.createConnection(SQMConnectionFactory.java:45)
at org.eclipse.datatools.connectivity.sqm.internal.core.connection.ConnectionFactory.createConnection(ConnectionFactory.java:59)
at org.eclipse.datatools.connectivity.internal.ConnectionFactoryAdapterProvider.createConnection(ConnectionFactoryAdapterProvider.java:114)
at org.eclipse.datatools.connectivity.internal.ManagedConnection.createConnection(ManagedConnection.java:163)
at org.eclipse.datatools.connectivity.internal.CreateConnectionJob.run(CreateConnectionJob.java:56)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:56)
같은 랩톱/머신에 "MySQL Workbench"와 Eclipse가 있습니까? –
예 두 응용 프로그램이 동일한 시스템에서 실행 중임 – Drauland
오류는 사용자가 DB 이름을 지정하지 않았 음을 의미합니다. –