Indeed, some SQLExceptions are reported with a correct state code and some not. Incorrect Behavior CallableStatement output parameter getter throws java. Here are the results of the i-net test: 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. Yes No It wasn’t accurate.

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In this case the driver will substitute the parameters locally and use a normal “execute procedure” Jfds call; however, this mode of execution is less efficient than an RPC.

Where does one place an instance name in the connect string? Stored procedures should be invoked using the special JDBC call escape syntax.

Transitioning from jTDS to Microsoft’s JDBC driver – Atlassian Documentation

I had a similar case where my DBA gave me a database on a server with the following connection: If that’s the case, replace jtds. It is also recommended that you execute each batch in a transaction i. Have you got any figures to prove that? There are three possible causes to this if we exclude not creating the ResultSet with the appropriate type and concurrency in the first place:.

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.


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However, you can run any of the benchmarks yourself, the effort is minimal. Powered by Confluence and Scroll Viewport.

The set of properties supported by jTDS is:. Here are the results of the i-net test: How to proceed In the Bitbucket Server home directorybitbucket.

As a general principle we try and keep synchronization to a minimum both for performance and deadlock reasons. JDBC4 was introduced with Java 6.

JTDS Driver | Documentation

I have been using something like jdbc: You are very probably using TDS 4. The client may be suspended if the system log fills so check that the log space is msslq for the batch you are trying to load. When executing large batches on Sybase the client application may hang or the response time may vary considerably. You will have to use the instance property either append it to the URL or place it into the Properties you supply to getConnection instead of doing it the Microsoft way.

This gives jTDS a 2x performance increase over the next fastest driver in some not so uncommon cases.

As a conclusion the only safe multithreading scenarios are these: What do I have to do? Temporary stored msaql are created for each unique SQL statement and parameter combination faster. Memory usage keeps increasing when using generated PreparedStatements. When calling a stored procedure that has output parameters, the driver has to call the procedure using a remote procedure call RPC.


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What should I do? 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.

SQL is mswql to the server each time without any preparation, literals are inserted in the SQL slower. Masql exception you are getting is usually caused by a timeout. The “Connection refused” exception is thrown by jTDS when it is unable to connect to the server. The exception is thrown because it’s better to warn the user that the output parameters masql not yet set instead of leaving the impression that all is ok and cause other, harder to detect problems.

The name of the jTDS jar file may be jtds As the server itself 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 ”.

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