Oracle Weblogic : Tuning options for Database Source connections

Web Logic Server provides the capability of connecting to databases using Data Sources. Through Data Sources Web Logic provides the data access and database connection management activities. The created Data Source in Web Logic Server contains the connection pool of database connections for providing connections at run time to perform database operations. The database operation could […]

How to Tune Data Source Connection Pool using statement cache

The Data Source connections are required to retrieve / store the application data from/to the database. The Web logic Server provides the below types of statements to be executed to exchange the data from database. 1. Statements (General SQL Statements) 2. Prepared Statements 3. Callable Statements (Stored Procedure) When an application connects to database for […]

How to change the default load balancing algorithm?

Follow the below given steps to update the load balancing algorithm 1. Log into the Web Logic Admin Console 2. click Lock & Edit to make changes 3. Select Environments > Clusters 4. Select the Cluster Name from the given table. 5. Select the Load balancing algorithm for the available options. 6. Select Advanced and Enter […]

Difference between Clustered environment and Non-clustered environment

The blog provides the detailing on how Web Logic Clustered environment is different from Non-clustered environment. Before that , please find below the blog link on the Web Logic Server Clustering Overview understanding clustering in Weblogic 12c The Clustered Environment is similar to Non-Clustered Environment except from the point that Cluster Web Logic Clustered Environment […]

Understanding Web Logic Server 12c Clustering

Web Logic Server is an Application Server which executes Web Application(WAR) and Enterprise Application (EAR) developed in Java. The Oracle Fusion Middleware allows the installation of Web Logic Admin Server as well as Managed Servers like SOA Server, OSB Server and ADF Server to provide the complete deployment environment for Oracle Fusion Middleware Applications. It […]

WebLogic Performance Tuning – Thread Management

The deployed application on Web Logic Server requires the availability of resources to execute the received service request and provide the corresponding response back to the application users. All services are executed through Threads in the Web Logic Server. Each request serviced by the available thread from the Thread Pool. Thus, it is important to […]

Work Manager pre defined request classes in WebLogic Server

Web Logic Server introduced Work Manager, which acts as the mechanism to prioritize the work and allocate the threads from the Thread Pool based on the rules defined for execution. The Web Logic Admin can use the pre-defined rules provided by the server or can setup the rules considering the run time performance, throughput and […]

weblogic.common.ResourceException: java.security.PrivilegedActionException: weblogic.common.ResourceException: No credential mapper entry found for password indirection

This sort of error comes when you have multiple data source connections defined and weblogic server validates the datasource connection and tries to make entry in the jdbc.xml   If we enable the option Auto Generate and synchronize weblogic-jdbc.xml descriptiors using deployment then weblogic server will try to read the file from the EAR getitng […]

Self Signed certificate and Custom Trust with Weblogic Server using Keytool

Self signed certificates are used by developers to validate the https configuration and testing.  Below given are the steps to configure and test self signed certificate Navigate to the JRE/bin path and execute the keytool.exe to verify if that is installed properly Create the directory csr    –      mkdir csr Execute the keytool command to generate […]

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