See an example here, on GitHub. This gives jTDS a 2x performance increase over the next fastest driver in some not so uncommon cases. It means exactly what it says. While doing this it times out, throwing the exception you see which means that jTDS was not able to get information about the running instances. What should I do? You just need to make sure that the jtds jar file is in your classpath. As a conclusion the only safe multithreading scenarios are these:

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You will have instqlling 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.

2a. Installing the JDBC Driver

Why do I get java. A common mistake is to append a semicolon “;” to the end of the URL e.

Although queries returning multiple results are not very common, it is the reason why this behavior is customizable from the URL. But if the stored procedure returns at least one ResultSet jTDS will only cache the update counts up to the first ResultSet and you will have to call getMoreResults to process all the results.

The “Connection refused” exception is thrown by jTDS when it is unable to connect to the server. Is there any commercial technical support available for jTDS? The Atlassian Community is here for you.

Htds this means that a “good” driver could “fix” this behavior, fixing it would imply caching the whole server response, equaling a huge performance drop. For example, if you have a method that inserts a row into a table by creating a PreparedStatementusing it once and then closing it, your statement will be compiled only once for each Connectionno matter how many times you call that method.

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Installing MS SQL Server JDBC driver on Windows | Jaspersoft Community

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. Have you got any figures to prove that?

Main If you are using Eclipse: Without the native SSO library installed you still have to provide the username and password because otherwise jTDS cannot determine user credentials. YourMainClass replace ; with: Click here to find all the technical details Jon Skeet k Yes No It wasn’t accurate. In this case the driver will substitute the parameters locally and use a normal “execute procedure” SQL call; however, this mode of execution is less efficient than an RPC.

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.

First one is folder “libs” which contains external libraries. Jds output parameter getter throws java. Driver” or you mistyped the URL e. SQL is sent to the server each time without any preparation, literals are inserted in the SQL slower.

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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?

If you are isntalling Maven, add this to your pom. If you’re new to Java, I’d strongly recommend that you learn the basics including the classpath before you start doing any JDBC work. The default install does not configure the SQL Browser service to start automatically innstalling you must do it manually.

Sign up or log in Sign up using Google. The exception you are getting is usually caused by a timeout.

java – How to install jTDS? – Stack Overflow

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. 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:. The set of properties supported by jTDS is:. Memory usage keeps increasing when using generated PreparedStatements.