Java MySQL 연결 NumberFormat 예외?

내 MySQL 데이터베이스에 연결하려고합니다. 올바른 형식이라고 생각하지만 코드를 실행할 때 낯선 오류가 발생합니다. 어떤 도움을 주셔서 감사합니다.Java MySQL 연결 NumberFormat 예외?

con = (Connection) DriverManager.getConnection("jdbc:mysql://bondsolutionsnjcom.fatcowmysql.csom:3306;account_information", "aiforfrg", "****"); 

SEVERE: null 
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Cannot load connection class because of underlying exception: 'java.lang.NumberFormatException: For input string: "3306;account_information"'. 
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) 
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) 
    at java.lang.reflect.Constructor.newInstance(Constructor.java:526) 
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) 
    at com.mysql.jdbc.Util.getInstance(Util.java:386) 
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1014) 
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:988) 
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:974) 
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:919) 
    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:326) 
    at java.sql.DriverManager.getConnection(DriverManager.java:571) 
    at java.sql.DriverManager.getConnection(DriverManager.java:215) 
    at frglauncher.Main.menuLoginActionPerformed(Main.java:283) 
    at frglauncher.Main.access$500(Main.java:50) 
    at frglauncher.Main$4.actionPerformed(Main.java:189) 
    at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018) 
    at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341) 
    at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) 
    at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) 
    at javax.swing.AbstractButton.doClick(AbstractButton.java:376) 
    at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:833) 
    at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:877) 
    at java.awt.Component.processMouseEvent(Component.java:6505) 
    at javax.swing.JComponent.processMouseEvent(JComponent.java:3321) 
    at java.awt.Component.processEvent(Component.java:6270) 
    at java.awt.Container.processEvent(Container.java:2229) 
    at java.awt.Component.dispatchEventImpl(Component.java:4861) 
    at java.awt.Container.dispatchEventImpl(Container.java:2287) 
    at java.awt.Component.dispatchEvent(Component.java:4687) 
    at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832) 
    at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492) 
    at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422) 
    at java.awt.Container.dispatchEventImpl(Container.java:2273) 
    at java.awt.Window.dispatchEventImpl(Window.java:2719) 
$2a$99$JsJZPZenlSLpGa8H62R25O5L4q6a0qLzSOpSpK7ZIONwhTTLmMHNm 
    at java.awt.Component.dispatchEvent(Component.java:4687) 
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:735) 
    at java.awt.EventQueue.access$200(EventQueue.java:103) 
    at java.awt.EventQueue$3.run(EventQueue.java:694) 
    at java.awt.EventQueue$3.run(EventQueue.java:692) 
    at java.security.AccessController.doPrivileged(Native Method) 
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) 
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87) 
    at java.awt.EventQueue$4.run(EventQueue.java:708) 
    at java.awt.EventQueue$4.run(EventQueue.java:706) 
    at java.security.AccessController.doPrivileged(Native Method) 
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) 
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:705) 
https://bondsolutionsnjcom.fatcow.com/frg/scripts/checklogin.php?username=kmccmk9&password=$2a$99$JsJZPZenlSLpGa8H62R25O5L4q6a0qLzSOpSpK7ZIONwhTTLmMHNm 
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242) 
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161) 
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) 
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146) 
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) 
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:91) 
Caused by: java.lang.NumberFormatException: For input string: "3306;account_information" 
    at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) 
    at java.lang.Integer.parseInt(Integer.java:492) 
    at java.lang.Integer.parseInt(Integer.java:527) 
    at com.mysql.jdbc.NonRegisteringDriver.port(NonRegisteringDriver.java:849) 
    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:317) 
    ... 43 more

이것은 /를 사용하여 수정되었습니다. URL 문자열에. 그러나 이제 다음과 같은 오류 메시지가 표시됩니다.

SEVERE: null 
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure 

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. 
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) 
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) 
    at java.lang.reflect.Constructor.newInstance(Constructor.java:526) 
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) 
    at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1117) 
    at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:355) 
    at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2461) 
    at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2498) 
    at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2283) 
    at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:822) 
    at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47) 
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) 
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) 
    at java.lang.reflect.Constructor.newInstance(Constructor.java:526) 
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) 
    at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:404) 
    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:317) 
    at java.sql.DriverManager.getConnection(DriverManager.java:571) 
    at java.sql.DriverManager.getConnection(DriverManager.java:215) 
    at frglauncher.Main.menuLoginActionPerformed(Main.java:283) 
    at frglauncher.Main.access$500(Main.java:50) 
    at frglauncher.Main$4.actionPerformed(Main.java:189) 
    at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018) 
    at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341) 
    at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) 
    at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) 
    at javax.swing.AbstractButton.doClick(AbstractButton.java:376) 
    at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:833) 
    at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:877) 
    at java.awt.Component.processMouseEvent(Component.java:6505) 
    at javax.swing.JComponent.processMouseEvent(JComponent.java:3321) 
    at java.awt.Component.processEvent(Component.java:6270) 
    at java.awt.Container.processEvent(Container.java:2229) 
    at java.awt.Component.dispatchEventImpl(Component.java:4861) 
    at java.awt.Container.dispatchEventImpl(Container.java:2287) 
    at java.awt.Component.dispatchEvent(Component.java:4687) 
    at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832) 
    at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492) 
    at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422) 
    at java.awt.Container.dispatchEventImpl(Container.java:2273) 
    at java.awt.Window.dispatchEventImpl(Window.java:2719) 
    at java.awt.Component.dispatchEvent(Component.java:4687) 
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:735) 
    at java.awt.EventQueue.access$200(EventQueue.java:103) 
    at java.awt.EventQueue$3.run(EventQueue.java:694) 
    at java.awt.EventQueue$3.run(EventQueue.java:692) 
    at java.security.AccessController.doPrivileged(Native Method) 
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) 
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87) 
    at java.awt.EventQueue$4.run(EventQueue.java:708) 
    at java.awt.EventQueue$4.run(EventQueue.java:706) 
    at java.security.AccessController.doPrivileged(Native Method) 
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) 
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:705) 
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242) 
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161) 
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) 
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146) 
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) 
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:91) 
Caused by: java.net.UnknownHostException: bondsolutionsnjcom.fatcowmysql.csom 
    at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method) 
    at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:894) 
    at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1286) 
    at java.net.InetAddress.getAllByName0(InetAddress.java:1239) 
    at java.net.InetAddress.getAllByName(InetAddress.java:1155) 
    at java.net.InetAddress.getAllByName(InetAddress.java:1091) 
    at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:249) 
    at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:305)

출처

2013-11-24 Kyle

시도해보십시오. "JDBC를 다음과 같이

con = (Connection) DriverManager.getConnection("jdbc:mysql://bondsolutionsnjcom.fatcowmysql.csom:3306/account_information", "aiforfrg", "****");

출처

2013-11-24 04:34:42 Bishan

응답 해 주셔서 감사합니다. 이제 새로운 오류가 발생합니다. 편집 된 게시물을 참조하십시오. – Kyle

@Kyle은'bondsolutionsnjcom.fatcowmysql.csom'이 맞습니까? – Bishan

아니요 bondsolutionsnjcom.fatcowmysql.com – Kyle

서버의 URL에 문제가있는 대신

"jdbc:mysql://bondsolutionsnjcom.fatcowmysql.csom:3306;account_information"

출처

2013-11-24 04:34:59

응답 해 주셔서 감사합니다. 지금 새로운 오류가 있습니다. 편집 된 게시물을 참조하십시오. – Kyle

편집 : 링크 bondsolutionsnjcom.fatcowmysql.csom을 핑 (ping)하려했습니다. 답장에서 요청 제한 시간이 있습니다. 호스트 주소가 맞습니까? 다음 링크를 확인하십시오. [link] http://stackoverflow.com/questions/2121829/mysql-jdbc-communications-link-failure [link] http://stackoverflow.com/questions/6865538/solving-a-communications-link-failure-with-jdbc-and-mysql –

예, PHP 파일에서 동일한 코드를 사용해야합니다. 그러나, 나는 무엇인가의 이유로 csom을 가지고 있다는 것을 알아 차렸다. com으로 변경하더라도 동일한 오류가 발생합니다. – Kyle

이

"jdbc:mysql://bondsolutionsnjcom.fatcowmysql.csom:3306/account_information"

을 시도 ... 가이어야한다 : mysql : // localhost : 3306/db_name " 여기서 원격 서버를 사용하고 포트 번호를 적절히 사용해야하는 경우 'localhost'를 기본 서버 이름으로 바꿀 수 있습니다. c 교수형.

출처

2014-08-28 18:44:23

Java MySQL 연결 NumberFormat 예외?

답변

관련 문제