Whether on the cloud or on-premises, developing Java applications with Oracle Autonomous Databases is fast and simple. Java developers can take advantage of the latest features, such as Oracle Autonomous Database, performance self-tuning, high availability, in-memory processing, and pluggable databases to design and develop a high performant, scalable, and reliable applications. Oracle Database 19c and 18c JDBC drivers introduce a new property file (ojdbc.properties) along with few other features that simplifies the connection to Autonomous Transaction Processing (ATP) and Autonomous Data Warehousing (ADW).
I know it is time consuming to update existing database workflow and the workflow migration tool can help only so much but is there anything else e.g. a missing feature that prevents you from updating to the new DB framework?
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Hi Tobias,
thank you for the explanation, it looks like the problem is not as weird as we thought, its kind of regular. I have taken a look into the instruction to register the drivers for the deprecated framework. I am not sure whether i understand everything (i am just a stupid user so I will try together with my colleague Andy next week.
I will give a feedback whether ist works or not.
Thanks
Stephanie
Hi @tobias.koetter ,
we justed followed all of our instructions today. It worked half/ half, I still do not have the Databases (legacy) in my preferences, but putting the additional line with the old command and path into the exported preferences and reimport them, makes that the DB connector (deprecated) works again. So everything ist fine for me.
Thanks a lot and I wish you a merry christmas
Stephanie
Viewed 10K+ times! This question is You Asked Hi Tom,
As always, thanks for your help. I have a regarding which JDBC client side driver to use: Thin or OCI.
Our web application uses Servlets and JSPs (we do not use applets), which are housed in a Tomcat engine. We presently use the thin driver to connect to an Oracle8i (8.1.6) database.
Do you think there would be any benefit of moving to the JDBC OCI drivers.
Also, what would require to change if I do that - For eg. will I have to include an Oracle client and relevant drivers on Tomcat. What other impact can it have wrt to deployment, performance, maintenance etc.
Thanks in advance,
Nic
and Tom said...When deploying to a client machine -- I prefer to use the THIN drivers.
When deploying on a server machine, I prefer to use the OCI drivers.
The reason is mostly performance. The OCI drivers, in my experience, tend to be faster, especially with some operations like LOBS and such.
It will require the installation of the Oracle8 client on the machine with the tomcat engine. It should not increase maintenance issues at all (instead of upgrading the thin jdbc drivers you would upgrade the Oracle8 client software which has the jdbc drivers in it).
What I would do first however is have both available so I can switch BACK to the thin drivers at the drop of a hat. They are different pieces of code and you may find some behaviour between the two to be different.
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Hi - I connect for the first time to an Oracle Datbase via 'Quick Connect' . I choose a random library on my drive (C;Rob\Alteryx) and create a succesfull connection. But when I exit Alteryx and start again, I get the same message as before: cannot find Oracle driver etc. Is there a mandatory location I should select for the install process?
Depending on if you are doing more of a full Oracle product install or just the thin-client, the ODBC drivers generally need to be put anywhere on your hard drive. The key is to make sure that windows knows where that path is located.
Go to ODBC administrator to test that they can be found (search ODBC and choose 32 or 64 per your install) and see if you see that Oracle driver. If you do, your system knows where to find the drivers and your Alteryx code should also recognize it.
I am trying to connect to an oracle database in eclipse. I have ojdbc14.jar in a lib folder in the same project and i added it to the build path of my project, so it also resides in the Referenced Libraries directory, but yet i still get an output to the console of "Could not find the database driver"
Myself and another student employee have been trying to get this figured out for the past day and a half, and no one else in our department is experienced in Java and JSP so i thought StackOverflow would be our best bet =)
When attempting to install ojdbc10.jar on my local laptop, (without the JDK developers environment, & java version 1.8.0_231_b11) I lose connection to my Oracle databases. When looking @ the error message from the database connection tab on the status page, I get the following error:
Caused by: java.lang.UnsupportedClassVersionError: oracle/jdbc/driver/OracleDriver has been compiled by a more recent version of the Java Runtime (class file version 54.0), this version of the Java Runtime only recognizes class file versions up to 52.0.
Would installing the JDK devlopers kit solve this? Is there anything else that should be done to facilitate the ojdbc10.jar file? Im trying to iron out the kinks prior to rolling out to production critical licenses & had minimal luck finding documentation to learn from.
Almost all of the posts eventually point to "Install the Oracle driver, or (recommended) install the 'Lite' Oracle client from the Solarwinds Support Site". This installation would presumably be on your SAM polling servers.
I am configuring the SAM "Oracle Database Template", which contains many "Oracle User Experience Monitor" component monitors. When you get to "Oracle Driver Type" inside the component monitor, you get 3 choices:
Notice there are 3 options to choose from, but everywhere I look I can find to only install 1 of 2 of these options. What do each of these options stand for (i.e. which one is the one "Downloaded from SolarWinds Customer Support site")?
Also: I didn't install anything, I just chose one after another and tested the component monitor and, lo and behold, the 3rd option "Managed Oracle data provider for .NET" worked!? What/where does this driver come from? Is it now built into Windows and/or the new SolarWinds SAM installer these days?
I have an oracle driver installed on my JBoss instance as a deployment. This is the normal method I use for all projects. This new project is having an issue with this install type although I tried to install it as a module and still having an issue using that method as well so I fear I may be overlooking something else. JBoss starts without a problem and deploys the oracle driver jar. Once I try to deploy my project, I get the error below. I've tried different driver files and same error. Other developers are able to deploy this project with this same setup. Is there some other configuration that I am missing?
There is another error "jboss.module.service."deployment.project.war".main: JBAS018759: Failed to load module: deployment.cdsanalysis.war:main" that seems to be related to the above error. So first try fixing the ModuleNotFoundException: com.oracle:main to see if it resolves the deployment failure issue. As it looks like some your WAR "cdsanalysis.war" or "project.war" has a Dependencies declaration for the module "com.oracle" using either $WAR/META-INF/MANIFEST.MF approach or using $WAR/WEB-INF/jboss-deployment-structure.xml approach. And as the module is not created properly hence it is causing the deployment failure.
In the past, in other projects, I have been able to simply deploy the driver and specify the jar name in the datasource and JBoss put them together during application deployment. Why is it necessary to add the driver and the module.xml to this location?
JBoss Enterprise Application Platform 6 uses a new modular class loading system for controlling the class paths of deployed applications. This system provides more flexibility and control than the traditional system of hierarchical class loaders. Developers have fine-grained control of the classes available to their applications, and can configure a deployment to ignore classes provided by the application server in favour of their own.
The modular class loader separates all Java classes into logical groups called modules. Each module can define dependencies on other modules in order to have the classes from that module added to its own class path. Every deployment itself is considered as a module (Dynamic modulke)
Even the JDBC drivers also can be deployed normally (like other WAR/EAR..etc) JBoss EAP 6 allows you to deploy these drivers like any other deployment. This means that you can deploy them across multiple servers in a server group, if you use a managed domain.
I copied the oracle driver (ojdbc6.jar) to the library folder which is being referred by nifi.properties file. However when I enable the controller service I receive the following error message as per nifi-app.log file.
Hey @Suresh Sampangiraman : I am facing exact similar issue with NiFi trying to connect Vertica database, I am new to NiFi and trying to figure out what processors would be best for my situation. Please provide me your email or something, it will be of great help
In the meanwhile, you might want to have a look at the extraVolumeMounts parameter, that you can use to mount an extra volume containing the jdbc driver in the path where SQ expects the driver to be (i.e., /extensions/jdbc-driver/oracle). 152ee80cbc
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