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Shiro Session Clustering with Hazelcast, not on the Web


Shiro Session Clustering with Hazelcast, not on the Web

By : Rondrivera
Date : November 22 2020, 09:00 AM
around this issue I think my error was in my actual Java code, not in the configuration files:
In all my initial tests, running the service on a single server, I used this to get the current Shiro user:
code :
Subject currentUser = SecurityUtils.getSubject();
Subject currentUser = null;
if (parameters.containsKey("session")) {
    sId = parameters.get("session");
    currentUser = new Subject.Builder().sessionId(sId).buildSubject();
} else {
    currentUser = SecurityUtils.getSubject();
}


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WSo2 API Manager 1.6.0 - Where is hazelcast clustering?

WSo2 API Manager 1.6.0 - Where is hazelcast clustering?


By : 李其峰
Date : March 29 2020, 07:55 AM
Any of those help CLustering for the new version of WSO2 API Manager is her
http://docs.wso2.org/display/CLUSTER420/Overview
Auto clustering in hazelcast

Auto clustering in hazelcast


By : user2653632
Date : March 29 2020, 07:55 AM
wish of those help I am assuming that by cluster min setting you mean hazelcast.initial.min.cluster.size . That is unrelated to this issue. This property simply requires an x number of nodes to join the cluster before starting your application.
What you are looking for depends on whether you are using multicast or TCP-IP to discover nodes. See this book for details: http://hazelcast.com/resources/mastering-hazelcast/
code :
            <hz:join>
                <hz:multicast enabled="false" />
                <hz:tcp-ip enabled="true">
                    <hz:members>192.168.0.1</hz:members>
                </hz:tcp-ip>
            </hz:join>
P2P Hazelcast Session Replication for Tomcat6 Web Clustering - Session Synchronization Fails

P2P Hazelcast Session Replication for Tomcat6 Web Clustering - Session Synchronization Fails


By : EdwardL
Date : March 29 2020, 07:55 AM
wish helps you I got it working with the below configuration. Figured it needed both jsessionid and hazelcast.sessionid, the session replication works great now.
code :
<Proxy balancer://mycluster>
    BalancerMember http://IPAddress1:8080/app/  route=tom
    BalancerMember http://IPAddress2:8080/app/  route=cat
    ProxySet lbmethod=byrequests stickysession=JSESSIONID|jsessionid|hazelcast.sessionId
</Proxy>

ProxyPass /app/ balancer://mycluster/ 
ProxyPassReverse /app/ balancer://mycluster/
we get com.hazelcast.core.MemberLeftException when one hazelcast goes down in jetty session replication

we get com.hazelcast.core.MemberLeftException when one hazelcast goes down in jetty session replication


By : user2138801
Date : March 29 2020, 07:55 AM
this will help MemberLeftException is thrown when a member leaves the cluster during an invocation or execution but it is RetryableException which means it will be retried with the updated member list. So eventually it should heal itself.
OTOH I see that you're on 3.6.3 but latest stable version is 3.11, upgrading is a good idea considering there are many improvements and fixes since.
Unexpected behavior with ViewScoped beans when using Spring-Session clustering with Hazelcast

Unexpected behavior with ViewScoped beans when using Spring-Session clustering with Hazelcast


By : user2817933
Date : March 29 2020, 07:55 AM
Any of those help I seem to have stumbled onto a solution for my ViewScoped problems. I will admit that I do not fully understand exactly how this made a difference yet, but I thought I would post a solution for others who might come across this post in the future. Hopefully someone more wise than I can come along and help me understand why this worked, and possibly point out why its not a good idea if a better solution is available.
The thing that did the trick was adding the following property to my application.properties file:
code :
spring.session.servlet.filter-dispatcher-types=async, error, forward, include
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