com.microsoft.sqlserver.jdbc.SQLServerException: Login failed for user 'test'. ClientConnectionId:ea2434df-09bf-4c9b-a1c2-804bff000877

Coderanch | Rui Campos | 5 years ago
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    SqlServer 2008 rd2: Login failed for user

    Coderanch | 5 years ago | Rui Campos
    com.microsoft.sqlserver.jdbc.SQLServerException: Login failed for user 'test'. ClientConnectionId:ea2434df-09bf-4c9b-a1c2-804bff000877
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    Java y Sql Server

    el-hacker.com | 1 year ago
    com.microsoft.sqlserver.jdbc.SQLServerException: No se pudo realizar la conexión TCP/IP al host (aqui muestra mi servidor o mi ip), puerto 1433. Error: "Connection refused: connect. Verifique las propiedades de conexión, compruebe que hay una instancia de SQL Server ejecutándose en el host y aceptando las conexiones TCP/IP en el puerto y compruebe que no hay ningún firewall bloqueando las conexiones TCP en el puerto.".
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    Unable to connect to MSSQL Server 2012 using sqljdbc4.jar

    Stack Overflow | 3 years ago | Leejoy
    com.microsoft.sqlserver.jdbc.SQLServerException: Login failed for user 'admin'. ClientConnectionId:1530f396-0935-4c41-92f1-016797a65edd
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    SQL Server jdbc connection

    Stack Overflow | 4 years ago | yatinbc
    com.microsoft.sqlserver.jdbc.SQLServerException: The TCP/IP connection to the host localhost, port 1433 has failed. Error: "Connection refused: connect. Verify the connection properties. Make sure that an instance of SQL Server is running on the host and accepting TCP/IP connections at the port. Make sure that TCP connections to the port are not blocked by a firewall.".
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    Cannot connect to SQLServer database in Java application

    Stack Overflow | 5 years ago | Burferd
    com.microsoft.sqlserver.jdbc.SQLServerException: The TCP/IP connection to the host localhost, port 1433 has failed. Error: "Connection refused: connect. Verify the connection properties, check that an instance of SQL Server is running on the host and accepting TCP/IP connections at the port, and that no firewall is blocking TCP connections to the port.".

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Root Cause Analysis

  1. com.microsoft.sqlserver.jdbc.SQLServerException

    Login failed for user 'test'. ClientConnectionId:ea2434df-09bf-4c9b-a1c2-804bff000877

    at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError()
  2. com.microsoft.sqlserver
    SQLServerDriver.connect
    1. com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:216)
    2. com.microsoft.sqlserver.jdbc.TDSTokenHandler.onEOF(tdsparser.java:254)
    3. com.microsoft.sqlserver.jdbc.TDSParser.parse(tdsparser.java:84)
    4. com.microsoft.sqlserver.jdbc.SQLServerConnection.sendLogon(SQLServerConnection.java:2908)
    5. com.microsoft.sqlserver.jdbc.SQLServerConnection.logon(SQLServerConnection.java:2234)
    6. com.microsoft.sqlserver.jdbc.SQLServerConnection.access$000(SQLServerConnection.java:41)
    7. com.microsoft.sqlserver.jdbc.SQLServerConnection$LogonCommand.doExecute(SQLServerConnection.java:2220)
    8. com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:5696)
    9. com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:1715)
    10. com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1326)
    11. com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:991)
    12. com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:827)
    13. com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:1012)
    13 frames
  3. Java RT
    DriverManager.getConnection
    1. java.sql.DriverManager.getConnection(DriverManager.java:579)
    2. java.sql.DriverManager.getConnection(DriverManager.java:221)
    2 frames
  4. crap
    testConnection.main
    1. crap.testConnection.main(testConnection.java:12)
    1 frame