If you can’t figure out why, ask your network administrator for help. In case you are wondering if this is right, this is a quote from the CallableStatement API documentation: The only major features missing from jTDS are connection pooling and row sets; the reason for leaving these out is that there are free implementations available, probably much better than anything we could come up with. However, you can run any of the benchmarks yourself, the effort is minimal. For queries that return multiple results the JDBC spec requires execute to be used. This is what happens with SQL Server-returned errors and warnings and is consistent with how other drivers handle exceptions. As a sidenote, The Microsoft driver and probably the others, too “optimize” this behavior by skipping over the update count, which is wrong according to the JDBC spec.
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In this case the driver will be able to use an RPC succesfully as all the parameters are represented by parameter markers?
Or even better, a benchmark I can run myself? Class-Path May 16, 9: If you need help with any other jTDS-related issue, search the Help forum first and if you still don’t find anything, post a question.
There are three possible causes to this if we exclude not creating the ResultSet with the appropriate type and concurrency in the first place:. Then i has been connected with SQL Server Can jTDS be used in a multi threaded application?
Download sqlline JAR 1.2.0 with all dependencies
Where does one place an instance name in the connect string? So, for maximum compatibility, it is recommended that you use execute anytime you run queries returning more than one result even if the particular driver you are using allows you to do otherwise.
As the server itself does not return an SQL state code, the SQLMessage class jbdc 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 ”.
The below error was raised. The JNetDirect license precludes publication of performance test results. Check interntcds the jTDS feature matrix for more details.
jTDS JDBC Driver
SQL is sent to the server each time without any preparation, literals are inserted in the SQL slower. However, you can run any of the benchmarks yourself, the effort is minimal. Although this means that a “good” driver could “fix” this behavior, fixing it would imply caching the whole server response, equaling a huge performance drop. Duplicate name in Manifest: The default install does not configure the SQL Browser service to start automatically so you must do it manually.
The exception is thrown because it’s better to warn the user that the output parameters are not yet set instead of leaving the impression that all is ok and cause other, harder to detect problems. Have you got any figures to xom that?
You are very probably using TDS 4. If you are getting this in an application, start your application with.
Web Design Anca Sinpalean. Also, please take a look at our ResultSet support page for some additional information and tips. The root cause is that triggers also return update counts and jTDS can’t make the difference between these update counts and the “real” one neither could any other SQL Server client.
I have used the following code for java database connectivity with SQL Server. And then i has to delete the old Driver jar file in the specified classpath, and then put the Driver File freshly. You can control the real batch size using the batchSize parameter; setting it to a non-zero value will break up batches into smaller pieces on execution, hopefully avoiding the problem.
There may be a number of reasons why this could happen:. Stored procedures should be invoked using the special JDBC call escape syntax.
This is what happens with SQL Server-returned errors and warnings and is consistent with how other drivers handle exceptions. Driver class, which means that jtds. SSO in the distribution package for information on how to install it.
CallableStatement output parameter getter throws java. Until telnet doesn’t connect, jTDS won’t either.