A.1. context.xml

context.xml file is the application deployment descriptor for the Apache Tomcat server. In a deployed application, this file is located in the META-INF subfolder of web application folder or the WAR file, for example, tomcat/webapps/app-core/META-INF/context.xml. In application project, the files of this type can be found in the /web/META-INF folders of the core, web and portal modules.

The main purpose of this file in the Middleware block is to define a datasource and assign a JNDI name, specified in the cuba.dataSourceJndiName application property.

An example of a data source declaration for PostgreSQL: 

<Resource
  name="jdbc/CubaDS"
  type="javax.sql.DataSource"
  maxActive="100"
  maxIdle="2"
  maxWait="5000"
  driverClassName="org.postgresql.Driver"
  username="cuba"
  password="cuba"
  url="jdbc:postgresql://localhost/sales"/>

An example of a data source declaration for Microsoft SQL Server: 

<Resource
  name="jdbc/CubaDS"
  type="javax.sql.DataSource"
  maxActive="100"
  maxIdle="2"
  maxWait="5000"
  driverClassName="net.sourceforge.jtds.jdbc.Driver"
  username="sa"
  password="saPass1"
  url="jdbc:jtds:sqlserver://localhost/sales"/>

An example of a data source declaration for Oracle: 

<Resource
name="jdbc/CubaDS"
type="javax.sql.DataSource"
maxActive="100"
maxIdle="2"
maxWait="5000"
driverClassName="oracle.jdbc.OracleDriver"
username="sales"
password="sales"
url="jdbc:oracle:thin:@//localhost:1521/orcl"/>

In all blocks implemented as web applications, this file may be used to disable serialization of HTTP-sessions: 

<Manager className="org.apache.catalina.session.PersistentManager" debug="0" distributable="false"
       saveOnRestart="false">
  <Store className="org.apache.catalina.session.FileStore"/>
</Manager>
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