There may be a number of reasons why this could happen:. I’m trying to do like this: A tip for finding your sql server’s IP: Microsoft’s driver is actively maintained, where jTDS hasn’t been updated since and prior to the small round of updates done in it hadn’t been updated for multiple years. For example, if you have a method that inserts a row into a table by creating a PreparedStatement , using it once and then closing it, your statement will be compiled only once for each Connection , no matter how many times you call that method. CallableStatement output parameter getter throws java.
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For queries that return multiple results the JDBC spec requires execute to be used. There is a good side to this: Courtney Faulkner 1, 13 Check out the jTDS feature matrix for more details.
Interface jTDS Implementation java. What do I have to do? When calling a stored procedure that has output parameters, the driver has to call the procedure using a remote procedure call RPC. As a sidenote, The Microsoft driver and msswl the others, too “optimize” this behavior by skipping over the update count, which is wrong according to the JDBC spec.
Here are the results of the i-net test: While you are using getConnection function -You can do that by adding name of your database in front of the server name in the connection string. The “Connection refused” exception is thrown by jTDS when it is unable to connect to the server.
If you’ll look at the query you are trying to execute, you’ll see that it probably returns an update count first, followed by a ResultSet. In our oppinion this is better than having a benchmark of our own, which could be designed in such a way as to give jTDS the edge.
I had a similar case where my DBA gave me a database on a server with the following connection: Normally, with a JDBC driver, PreparedStatement s are precompiled on creation, which gives increased performance if they are used jfds sufficient number of times. I didn’t find the answer to my problem in this FAQ.
If you have any problem, check this blog post for details, as it contains screenshots and much more info. Properties can be passed to jTDS in one of three ways: A shot in the dark, but From the looks of your error message, it seems that jyds the sqlserver instance is not running on port or something is blocking the requests to that port.
jTDS JDBC Driver
This is common if say you are querying a stored procedure that creates a temp table, runs updates against it and then returns the table as a result set. Can jTDS be used in a multi threaded application?
The “No suitable driver” exception is thrown by the DriverManager when none of the registered Driver implementations recognizes the supplied URL. However, you can run any of the benchmarks yourself, the effort is minimal. Please note that this flag only alters the behavior of executeUpdate ; execute will still return all update counts.
Yes No It wasn’t accurate.
As the server jddbc does not return an SQL state code, the SQLMessage class associates native error numbers with SQL state codes actually there’s a very comprehensive map there ; SQL Server originated errors and warnings that are not found in this map are given a default code of ‘S’, respectively ”. I’m trying to connect to SQL Server 6.
You are a really good man! Microsoft’s driver is actively maintained, where jTDS hasn’t been updated mzsql and prior to the small round of updates done in it hadn’t been updated for multiple years. I hope this clarifies some of the confusion emanating from the errors above.
Powered by Confluence and Scroll Viewport. The solution is to set the “TDS” property to “4.