java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection

coderanch.com | 3 months ago
  1. 0

    Not able to connect oracle 11.2 using ODBC6.jar [Solved] (JDBC and Relational Databases forum at Coderanch)

    coderanch.com | 6 months ago
    java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection
  2. 0

    Not able to connect oracle 11.2 using ODBC6.jar [Solved] (JDBC and Relational Databases forum at Coderanch)

    coderanch.com | 3 months ago
    java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection
  3. 0

    Cannot connect to oracle database

    Stack Overflow | 2 years ago | Syed Usama Hashmi
    java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection
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  5. 0

    Error connecting to Oracle database using JDBC

    Stack Overflow | 2 years ago
    java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection
  6. 0

    Java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection - scriptscoop.com

    scriptscoop.com | 1 year ago
    org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection

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Root Cause Analysis

  1. java.net.ConnectException

    Connection refused: connect

    at java.net.PlainSocketImpl.socketConnect()
  2. Java RT
    Socket.connect
    1. java.net.PlainSocketImpl.socketConnect(Native Method)
    2. java.net.PlainSocketImpl.doConnect(Unknown Source)
    3. java.net.PlainSocketImpl.connectToAddress(Unknown Source)
    4. java.net.PlainSocketImpl.connect(Unknown Source)
    5. java.net.SocksSocketImpl.connect(Unknown Source)
    6. java.net.Socket.connect(Unknown Source)
    6 frames
  3. Oracle jdbc
    OracleDriver.connect
    1. oracle.net.nt.TcpNTAdapter.connect(TcpNTAdapter.java:150)
    2. oracle.net.nt.ConnOption.connect(ConnOption.java:133)
    3. oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:370)
    4. oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:434)
    5. oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:687)
    6. oracle.net.ns.NSProtocol.connect(NSProtocol.java:247)
    7. oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1102)
    8. oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:320)
    9. oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:546)
    10. oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:236)
    11. oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
    12. oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:521)
    12 frames
  4. Java RT
    DriverManager.getConnection
    1. java.sql.DriverManager.getConnection(Unknown Source)
    2. java.sql.DriverManager.getConnection(Unknown Source)
    2 frames
  5. oracle
    ConnectJDBCOracle11g.main
    1. oracle.ConnectJDBCOracle11g.main(ConnectJDBCOracle11g.java:25)
    1 frame