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  1. Thread.run() has thrown a SQLException
    Java Runtime
    0
    0
    0
  2. Listener refused the database connection
    Oracle JDBC Driver
    14
    3
    2

Your stack trace compared to the selected pattern

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java.sql.SQLException: G/╟ istisn as²: The Network Adapter could not establish the connection at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
    at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:321)
    at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:414)
    at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:149)
    at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:31)
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Solution

Liam2 months ago

Exception message: Listener refused the connection with the following error: ORA-12519, TNS:no appropriate service handler found

  • This indicates that the application is using too many database connection, more than the database listener can support.
  • Increase the number of the connections that database can handle, thus increasing the oracle services handlers.

External results for this pattern (10)

  1. vlotarevvia GitHub3 months ago
    Listener refused the connection with the following error: ORA-12519, TNS:no appropriate service handler found
    Show stack trace
  2. Sidvia Stack Overflow4 months ago
    Listener refused the connection with the following error: ORA-12519, TNS:no appropriate service handler found
    Show stack trace
  3. user591790via Stack Overflow4 months ago
    Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
    Show stack trace
  4. Unknown authorvia ibm.com4 months ago
    Invalid connection string format, a valid format is: "//host[:port][/service_name]"
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  5. Listener refused the connection with the following error: ORA-12516, TNS:listener could not find available handler with matching protocol stack
    Show stack trace
  6. Unknown authorvia vmware.com4 months ago
    The Network Adapter could not establish the connection
    Show stack trace
  7. Unknown authorvia vmware.com4 months ago
    The Network Adapter could not establish the connection
    Show stack trace
  8. user645950via Oracle Community4 months ago
    Listener refused the connection with the following er ORA-12514, TNS:listener does not currently know of service requested in conn descriptor The Connection descriptor used by the client was: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(PORT=1521)(HOST=localhost))(CONNECT_DAT ERVICE_NAME=orcl))) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError. at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.
    Show stack trace
  9. 884330via Oracle Community4 months ago
    IO Error: The Network Adapter could not establish the connection
    Show stack trace