I made some changes like specifying explicitly the table,schema, id column defaults should work fine. Now open the file persistence. Now type the following code in the servlet class. Using it we can access the entity bean.
For example in the above code we have queried the database for all available beans of type Department. Viewed 58k times. Improve this question. Add a comment. Active Oldest Votes.
Improve this answer. Matt Ball Matt Ball k 95 95 gold badges silver badges bronze badges. Is there a configuration setting I'm missing, perhaps? I was missing a lot of configuration settings, as shown by some of my other postings. So once I got my language versions correct, I was able to create the EAP with a dependency on my project and ensure application.
Sorry I wasn't more useful in resolving the error, but I'm glad you got it working. I hope this helps. There is even a plugin for creating "uberJAR" files that combine an application and its dependencies into a single JAR file. The three most popular Java IDEs all have built-in support for creating deployment files. The functionality is often described as "exporting".
This is the recommended deployment approach. Since almost all modules must be deployed to both the administration server and to the cluster, any performance or disk space benefits you want to achieve by targeting individual modules is not significant. However, if for some reason you want to use targeted deployment, use the following recommendations, which are listed in order from easiest to most difficult.
The sequence with which you start managed servers is important and depends upon your application deployment. See Table for the startup sequences you must use. If you are not deploying a new application or an updated application , you can start all managed servers in parallel simultaneously. There are numerous ways to start a managed server and bind it to your administration server, including using Node Manager. For your initial setup, you may want to use the startManagedWebLogic script in the domain root directory.
You can run this script by specifying the name of the managed server for this server instance and the URL of the administration server. Before starting the script, edit it and give the managed server more memory than it is allocated by default. For example, change the memory allocation to -Xmsm -Xmxm. After starting a managed server, you can browse your portal application by going to the appropriate URL on the managed server instance.
To provide your users a single point of entry to your cluster, as well as support session failover, you will need to configure a proxy server. There are no WebLogic Portal-specific configuration tasks when setting up a proxy plug-in. This is because the variables for those values are read from the request. The same could happen if a user on a proxy server port 80 clicks a link to a resource outside the proxy server port This section contains instructions for redeployment, partial redeployment, and iterative deployment of datasync data, such as user profile properties, user segments, content selectors, campaigns, discounts, and other property sets.
Deployer tool to redeploy an updated portal application to your production server. See weblogic. Deployer Utility. The following batch file shown in Listing is an example of how to use weblogic. Deployer to redeploy a portal application to production. In certain situations you can reduce the time needed to redeploy individual pieces of a portal application by using the weblogic. Deployer tool. If your updates are contained within a particular portal web application, you can redeploy just that web application and greatly reduce the time spent in redeployment.
This is of use if you have new portlets and page flows, but no new EJBs, libraries, or modules which are Enterprise application scoped. Because a portal web application has a number of dependencies on WebLogic Workshop control classes, those needed to be redeployed as well. The following batch file can be used to help simplify that process. You need to have weblogic. This section explains how to use the import utility and includes these topics:. For example:. The utility is shown in Figure
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