How do I fix error code 17002?

How do I fix error code 17002?

First check the tnsnames. ora file and ensure that it points to the correct server and port. If the Forms server is on another machine, test the TNS resolve with tnsping from the command prompt. Finally, check the listener.

What is error occured SQL error code 17002?

The 17002 error can be reproduced any time at will by simply entering incorrect host or port at connection details. Your listener listens on the internal address which in your case is the 127.0. 0.1 address of the loopback adapter.

How do I fix ORA 12505 error in SQL Developer?

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  1. Open Net Manager.
  2. Select your Listener.
  3. In the upper right ComboBox, select Database Services.
  4. Clic Add Database.
  5. Fill the 3 fields: Global Database Name (i.e. ORCL.NET.
  6. File > Save Network Configuration.
  7. Restart the OracleOraDb11g_home1TNSListener service.

How do you fix the network adapter could not establish the connection in Oracle?

ora file check for Host and Port entry in Listener tag for valid hostname and port number. And if you are using TNSnames. ora file for validating the hostname and port number then search for the entry which has the same name as your SID and then check for host and port number entry in that particular tag.

What is Network Adapter could not establish connection?

sql. SQLException: IO Error: The Network Adapter could not establish the connection” – This error message is Oracle’s way of saying either ‘Connection refused’ or ‘Connection timeout’ or ‘no route to host’ or ‘unknown host’. This is a very generic error that could occur due to various reasons.

How do I start Oracle listener in Windows?

Do the following:

  1. Log on to the host where the Oracle database resides.
  2. Change to the following directory: Solaris: Oracle_HOME/bin. Windows: Oracle_HOME\bin.
  3. To start the listener service, type the following command: Solaris: lsnrctl START. Windows: LSNRCTL.
  4. Repeat step 3 to verify that the TNS listener is running.

How do you solve ORA 12505?

There are several methods of correcting error ORA-12505. Your first action to resolve this issue should be to wait a few seconds, then try to re-connect to the database again. If this attempt is unsuccessful, try checking to see which instances are known by the listener.

How do you resolve ORA 12154?


  1. Option #1. Make sure that the TNSNAMES. ORA file exists and is in the correct directory.
  2. Option #2. Make sure that the service name that you are connecting to is included in the TNSNAMES. ORA file and that it is correctly defined.
  3. Option #3. Make sure that there are no syntax errors in the TNSNAMES. ORA file.

What is vendor code 17002 in oracle?

In your case the “Vendor code 17002” is the equivalent of the ORA-12541 error: It’s most likely that your listener is down, or has an improper port or service name. From the docs: ORA-12541: TNS no listener. Cause: Listener for the source repository has not been started.

How do I install SQL Developer on Windows 10?

Step 1: Browse to this link.

  1. Step 2: Click on download.
  2. Step 3: Login in Oracle account or create a new account.
  3. Step 4: Extract the downloaded zip file.
  4. Step 5: Open your computer C drive & program files.
  5. Step 6: Open the folder.
  6. Step 7: Then open sqldeveloper folder.
  7. Step 8: Find the sqldeveloper exe file there.

How do I find my supplier code?

Use the Lookup (Detail. StockCode, “Product. SupplierCode”) function in the form to find the supplier’s product code of the item. You still use the internal unique product code in the order transaction, but prints the supplier code instead.

How do I check SQL database status?

To verify the current state of a database, select the state_desc column in the sys. databases catalog view or the Status property in the DATABASEPROPERTYEX function.

How do I connect to Oracle listener?

For Oracle Net to accept connections on the database server, start the listener with the Listener Control utility on the server:

  1. Determine the status of the listener. From the command line, enter: lsnrctl LSNRCTL> STATUS [listener_name]
  2. Start the listener.
  3. Exit from the Listener Control utility.

How do I find the SID of a database?

Just run the query “select instance_name from v$instance” from SQL prompt and if you want to check it from Unix side run the command echo $ORACLE_SID from $ prompt. If you are connected to Oracle, then you can use the following sql to know the db instance you are connected to.