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1. Remove the following JOTM transaction JARs in the tomcat/lib folder:

   • carol-iiop-delegate.jar

   • carol-interceptors.jar

   • carol.jar,

   • howl.jar

   • jotm-core.jar

   • jotm-datasource.jar

   • ow2-connector-1.5-spec.jar

   • ow2-jta-1.1-spec.jar

   • xapool-1.6.jar

   • xapool.jar

2. Remove the above JARs if those are present inside the WARs of Studio, Sigma, Modelhouse and other applications built using CT.

3. Download the following Bitronix related JARs:

   https://drive.google.com/file/d/15irsemIxRJCu_cx4rt44fpJ_qWExdzsU/view?usp=sharing

4. Add the downloaded Bitronix JARs to the tomcat/lib folder:

   • BTFactory.jar

   • btm-2.1.4.jar

   • jta-1.1.jar

   • slf4j-api-1.7.30.jar

   • log4j-api-2.18.0.jar

   • log4j-core-2.18.0.jar

   • log4j-slf4j-impl-2.18.0.jar

5. Verify the following JARs (any version of log4j JARs) are not present in the WARs of Studio, Sigma or any other applications build using CT:

   • log4j-1.2-api-2.16.0.jar

   • log4j-api-2.16.0.jar

   • log4j-core-2.16.0.jar

   • log4j-api-2.17.1.jar

   • log4j-core-2.17.1.jar

6. Perform the following steps in Server.xml:

   1. In the Resource tag, change following:

      Code Block
      language xml
      factory="org.objectweb.jotm.datasource.DataSourceFactory" ///as factory="com.intellectdesign.canvas.database.factory.BTDataSourceFactory"

   2. Add the following values:

      Code Block
      language xml
      maxIdleTime="60" aquisitionTimeout="150" min=”10” max=”100”

      • The above values are samples only. It can be configured as per implementation requirements. Refer https://tomcat.apache.org/tomcat-7.0-doc/jdbc-pool.html for additional configuration properties.

7. Perform the following steps in Context.xml:

   1. Remove the existing Transaction tag. For Example:

      Code Block
      language xml
      <Transaction factory="org.objectweb.jotm.UserTransactionFactory" jotm.timeout="600" /> <Resource name="TransactionSynchronizationRegistry" auth="Container" type="javax.transaction.TransactionSynchronizationRegistry" factory="org.objectweb.jotm.TransactionSynchronizationRegistryFactory"/>

   2. Add the following Transaction factory tag for Bitronix:

      Code Block
      language xml
      <Transaction factory="com.intellectdesign.canvas.database.factory.BTTransactionFactory" transactionTimeout="300" />

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