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  1. Apply the kernel patch0012 Carbon patch. The patch includes a modification in the Carbon Core component, allowing it to add third party membership schemes.


    For more information, see WSO2 patch application process.

  2. Copy the following JAR files to the /dropins directory of the Carbon server:

    • activemq_client_5.10.0_1.0.0.jar
    • geronimo_j2ee_management_1.1_spec_1.0.1_1.0.0.jar
    • hawtbuf_1.9_1.0.0.jar
    • org.apache.commons.lang3_3.1.0.jar
    • org.apache.stratos.common-4.1.0.jar
    • org.apache.stratos.messaging-4.1.0.jar
    • private-paas-membership-scheme-4.1.0.jar
  3. Update the <PPAAS_HOME>/repository/conf/axis2.xml file with the following configurations: 


    The cluster ID parameter needs to contain the cluster ID of the relevant carbon server cluster:

    Code Block
    <clustering class="org.wso2.carbon.core.clustering.hazelcast.HazelcastClusteringAgent" enable="true">
        <parameter name="membershipScheme">private-paas</parameter>
        <parameter name="membershipSchemeClassName">org.wso2.carbon.ppaas.PrivatePaaSBasedMembershipScheme</parameter>
        <parameter name="clusterIds">cluster-1,cluster-2</parameter> parameter> 
        <parameter name="localMemberPort">4000</parameter> 
  4. Update the JNDI configuration of the product to include the message broker configuration for the PPaaS Membership Scheme to connect to. Point the java.naming.provider to the AMQP port of the message broker.

    Code Block