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How to configure Hazelcast for session caching using spring while limiting it to a set of nodes?

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花落未央
花落未央 2021-01-03 11:55

I need to set up Hazelcast session caching using Spring. Using the configuration from the hazelcast docs is simple. However, its insufficient. I need to use a different c

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  • 暗喜
    暗喜 (楼主)
    2021-01-03 12:23

    Thank you for the suggested answer. However, I think I've solved this using the following configuration. I would appreciate any feedback from anyone about this configuration.

    My approach:

    1) Establish the instance with a spring configuration. 2) Enhance the instance with a minimally configured hazelcast.xml file with the Web filter configuration. Note that mulitcast and tcp-ip joiners are false.

    web.xml:

    



    
        contextConfigLocation
        
            /WEB-INF/spring/servlet-context.xml,
            /WEB-INF/spring/root-context.xml,
            ....
            /WEB-INF/spring/hazelcastContext.xml
        
    




    org.springframework.web.context.ContextLoaderListener


....


    hazelcast-filter
    com.hazelcast.web.WebFilter
    
    
        map-name
        my-sessions
    
    
    
        sticky-session
        true
    
    
    
        cookie-name
        hazelcast.sessionId
    
    
    
        cookie-domain
        .mycompany.com
    
    
    
        cookie-secure
        false
    
    
    
        cookie-http-only
        false
    
    
    
        debug
        true
    
    

    
        config-location
        /WEB-INF/classes/hazelcast.xml
    

    `enter code here`
    
        instance-name
        myapp
    
    
    
        use-client
        false
    
    
    
        client-config-location
        /WEB-INF/classes/hazelcast-client.properties
    
        
        
            shutdown-on-destroy
            true
        
    
    
        hazelcast-filter
        /*
        FORWARD
        INCLUDE
        REQUEST
    

...

    hazelcast.xml (copied from hazelcast.xml inside jar file)...

    

...

    5701
    
        
        0
    
    
        
            224.2.2.3
            54327
        
        
            127.0.0.1
        
 ...
    
 ...


...

    Spring config....

    






    
        
        ${hz.instance.name}
        
        
        
        
        
        
            
                
                
                    ${hz.members}

    Property file....

    #-- Hazelcast properties.
hz.instance.name = myapp
hz.group.name = CERT
hz.group.password = cert
hz.management.center.enabled = true
hz.management.center.url = http://127.0.0.1:8080/mancenter
hz.network.port = 5701
hz.network.port.auto.increment = true
hz.multicast.enabled = true
hz.tcp.ip.enabled = false
hz.members = 127.0.0.1
hz.executor.service.core.pool.size = 2
hz.executor.service.max.pool.size = 30
hz.executor.service.keep.alive.seconds = 30
hz.map.backup.count=2
hz.map.max.size=0
hz.map.eviction.percentage=30
hz.map.read.backup.data=true
hz.map.cache.value=true
hz.map.eviction.policy=NONE
hz.map.merge.policy=hz.ADD_NEW_ENTRY

    Root Context.xml

    


...

    
        
            
                
            
        
    

...

    Tomcat Config...

    
...

    
                    
        
...

    Tomcat output (Note: This is a restart scenario of a two node hazelcast group. In this scenario, Node 1 is restarted. The output of Node 2 shows the drop of node 1 from the group and then its return to the group).

    Node 1 of Group CERT

    Nov 19, 2013 4:27:56 PM com.hazelcast.impl.AddressPicker
INFO: Prefer IPv4 stack is true.
Nov 19, 2013 4:27:56 PM com.hazelcast.impl.AddressPicker
INFO: Picked Address[10.23.43.13]:5701, using socket ServerSocket[addr=/0:0:0:0:0:0:0:0,localport=5701], bind any local is true
Nov 19, 2013 4:27:57 PM com.hazelcast.system
INFO: [10.23.43.13]:5701 [CERT] Hazelcast Community Edition 2.4 (20121017) starting at Address[10.23.43.13]:5701
Nov 19, 2013 4:27:57 PM com.hazelcast.system
INFO: [10.23.43.13]:5701 [CERT] Copyright (C) 2008-2012 Hazelcast.com
Nov 19, 2013 4:27:57 PM com.hazelcast.impl.LifecycleServiceImpl
INFO: [10.23.43.13]:5701 [CERT] Address[10.23.43.13]:5701 is STARTING
Nov 19, 2013 4:27:57 PM com.hazelcast.impl.Node
INFO: [10.23.43.13]:5701 [CERT] ** setting master address to Address[10.23.43.14]:5701
Nov 19, 2013 4:27:57 PM com.hazelcast.impl.MulticastJoiner
INFO: [10.23.43.13]:5701 [CERT] Connecting to master node: Address[10.23.43.14]:5701
Nov 19, 2013 4:27:57 PM com.hazelcast.nio.ConnectionManager
INFO: [10.23.43.13]:5701 [CERT] 54106 accepted socket connection from /10.23.43.14:5701
Nov 19, 2013 4:27:57 PM com.hazelcast.impl.Node
INFO: [10.23.43.13]:5701 [CERT] ** setting master address to Address[10.23.43.14]:5701
Nov 19, 2013 4:27:57 PM com.hazelcast.impl.Node
INFO: [10.23.43.13]:5701 [CERT] ** setting master address to Address[10.23.43.14]:5701
Nov 19, 2013 4:27:58 PM com.hazelcast.impl.Node
INFO: [10.23.43.13]:5701 [CERT] ** setting master address to Address[10.23.43.14]:5701
Nov 19, 2013 4:27:58 PM com.hazelcast.impl.Node
INFO: [10.23.43.13]:5701 [CERT] ** setting master address to Address[10.23.43.14]:5701
Nov 19, 2013 4:27:59 PM com.hazelcast.impl.Node
INFO: [10.23.43.13]:5701 [CERT] ** setting master address to Address[10.23.43.14]:5701
Nov 19, 2013 4:27:59 PM com.hazelcast.impl.Node
INFO: [10.23.43.13]:5701 [CERT] ** setting master address to Address[10.23.43.14]:5701
Nov 19, 2013 4:28:00 PM com.hazelcast.impl.Node
INFO: [10.23.43.13]:5701 [CERT] ** setting master address to Address[10.23.43.14]:5701
Nov 19, 2013 4:28:00 PM com.hazelcast.impl.Node
INFO: [10.23.43.13]:5701 [CERT] ** setting master address to Address[10.23.43.14]:5701
Nov 19, 2013 4:28:01 PM com.hazelcast.impl.Node
INFO: [10.23.43.13]:5701 [CERT] ** setting master address to Address[10.23.43.14]:5701
Nov 19, 2013 4:28:01 PM com.hazelcast.impl.Node
INFO: [10.23.43.13]:5701 [CERT] ** setting master address to Address[10.23.43.14]:5701
Nov 19, 2013 4:28:02 PM com.hazelcast.impl.Node
INFO: [10.23.43.13]:5701 [CERT] ** setting master address to Address[10.23.43.14]:5701
Nov 19, 2013 4:28:02 PM com.hazelcast.impl.Node
INFO: [10.23.43.13]:5701 [CERT] ** setting master address to Address[10.23.43.14]:5701
Nov 19, 2013 4:28:02 PM com.hazelcast.cluster.ClusterManager
INFO: [10.23.43.13]:5701 [CERT]

Members [2] {
        Member [10.23.43.14]:5701
        Member [10.23.43.13]:5701 this
}

Nov 19, 2013 4:28:04 PM com.hazelcast.impl.LifecycleServiceImpl
INFO: [10.23.43.13]:5701 [CERT] Address[10.23.43.13]:5701 is STARTED
Nov 19, 2013 4:28:04 PM com.hazelcast.impl.management.ManagementCenterService
INFO: [10.23.43.13]:5701 [CERT] Hazelcast will connect to Management Center on address:     http://localhost:8080/mancenter/
Nov 19, 2013 4:28:04 PM com.hazelcast.config.UrlXmlConfig
INFO: Configuring Hazelcast from 'jndi:/localhost/pwc-ui/WEB-INF/classes/hazelcast.xml'.
Nov 19, 2013 4:28:04 PM com.hazelcast.web.WebFilter
INFO: sticky:true, debug: true, shutdown-on-destroy: true, map-name: my-sessions
Nov 19, 2013 4:28:05 PM org.apache.catalina.startup.HostConfig deployDescriptor

    Node 2 of Group CERT (note the drop and re-add)

    Nov 19, 2013 4:27:11 PM com.hazelcast.nio.Connection
INFO: [10.23.43.14]:5701 [CERT] Connection [Address[10.23.43.13]:5701] lost. Reason: java.io.IOException[Connection reset by peer]
Nov 19, 2013 4:27:11 PM com.hazelcast.nio.ReadHandler
WARNING: [10.23.43.14]:5701 [CERT] hz.pwc.IO.thread-1 Closing socket to endpoint Address[10.23.43.13]:5701, Cause:java.io.IOException: Connection reset by peer
Nov 19, 2013 4:27:12 PM com.hazelcast.nio.SocketConnector
INFO: [10.23.43.14]:5701 [CERT] Could not connect to: /10.23.43.13:5701. Reason: ConnectException[Connection refused]
Nov 19, 2013 4:27:13 PM com.hazelcast.nio.SocketConnector
INFO: [10.23.43.14]:5701 [CERT] Could not connect to: /10.23.43.13:5701. Reason: ConnectException[Connection refused]
Nov 19, 2013 4:27:14 PM com.hazelcast.nio.SocketConnector
INFO: [10.23.43.14]:5701 [CERT] Could not connect to: /10.23.43.13:5701. Reason: ConnectException[Connection refused]
Nov 19, 2013 4:27:14 PM com.hazelcast.nio.ConnectionMonitor
WARNING: [10.23.43.14]:5701 [CERT] Removing connection to endpoint Address[10.23.43.13]:5701 Cause => java.net.ConnectException {Connection refused}, Error-Count: 5
Nov 19, 2013 4:27:14 PM com.hazelcast.cluster.ClusterManager
INFO: [10.23.43.14]:5701 [CERT] Removing Address Address[10.23.43.13]:5701
Nov 19, 2013 4:27:14 PM com.hazelcast.impl.PartitionManager
INFO: [10.23.43.14]:5701 [CERT] Starting to send partition replica diffs...true
Nov 19, 2013 4:27:14 PM com.hazelcast.cluster.ClusterManager
INFO: [10.23.43.14]:5701 [CERT]

Members [1] {
        Member [10.23.43.14]:5701 this
}

Nov 19, 2013 4:27:18 PM com.hazelcast.impl.PartitionManager
INFO: [10.23.43.14]:5701 [CERT] Total 0 partition replica diffs have been processed.
Nov 19, 2013 4:27:18 PM com.hazelcast.impl.PartitionManager
INFO: [10.23.43.14]:5701 [CERT] Re-partitioning cluster data... Immediate-Tasks: 0, Scheduled-Tasks: 0
Nov 19, 2013 4:27:57 PM com.hazelcast.nio.SocketAcceptor
INFO: [10.23.43.14]:5701 [CERT] 5701 is accepting socket connection from /10.23.43.13:54106
Nov 19, 2013 4:27:57 PM com.hazelcast.nio.ConnectionManager
INFO: [10.23.43.14]:5701 [CERT] 5701 accepted socket connection from /10.23.43.13:54106
Nov 19, 2013 4:27:57 PM com.hazelcast.web.WebFilter
INFO: Created new session with id: HZ650FDF62693F45A99AC0C30BBD8840B0
Nov 19, 2013 4:27:57 PM com.hazelcast.web.WebFilter
INFO: 195 is sessions.size and originalSessions.size: 195
Nov 19, 2013 4:27:57 PM com.hazelcast.web.WebFilter
INFO: PUTTING SESSION HZ650FDF62693F45A99AC0C30BBD8840B0
Nov 19, 2013 4:28:02 PM com.hazelcast.cluster.ClusterManager
INFO: [10.23.43.14]:5701 [CERT]

Members [2] {
        Member [10.23.43.14]:5701 this
        Member [10.23.43.13]:5701
}

Nov 19, 2013 4:28:02 PM com.hazelcast.impl.PartitionManager
INFO: [10.23.43.14]:5701 [CERT] Re-partitioning cluster data... Immediate-Tasks: 271, Scheduled-Tasks: 0
Nov 19, 2013 4:28:24 PM com.hazelcast.web.WebFilter
INFO: Created new session with id: HZAD50E5F483CC448C9FA7CB66D65848BB
Nov 19, 2013 4:28:24 PM com.hazelcast.web.WebFilter
INFO: 196 is sessions.size and originalSessions.size: 196
Nov 19, 2013 4:28:24 PM com.hazelcast.web.WebFilter
INFO: PUTTING SESSION HZAD50E5F483CC448C9FA7CB66D65848BB
Nov 19, 2013 4:28:24 PM com.hazelcast.web.WebFilter
INFO: Request is instance of RequestWrapper! Continue...
Nov 19, 2013 4:28:24 PM com.hazelcast.web.WebFilter
INFO: Request is instance of RequestWrapper! Continue...
Nov 19, 2013 4:28:24 PM com.hazelcast.web.WebFilter
INFO: Request is instance of RequestWrapper! Continue...
Nov 19, 2013 4:28:24 PM com.hazelcast.web.WebFilter
INFO: Request is instance of RequestWrapper! Continue...
Nov 19, 2013 4:28:50 PM com.hazelcast.web.WebFilter
INFO: Created new session with id: HZC9553A4C330044CA8A0C20549EE23BF0
Nov 19, 2013 4:28:50 PM com.hazelcast.web.WebFilter
INFO: 197 is sessions.size and originalSessions.size: 197
Nov 19, 2013 4:28:50 PM com.hazelcast.web.WebFilter
INFO: PUTTING SESSION HZC9553A4C330044CA8A0C20549EE23BF0
Nov 19, 2013 4:28:50 PM com.hazelcast.web.WebFilter
INFO: Request is instance of RequestWrapper! Continue...
Nov 19, 2013 4:28:50 PM com.hazelcast.web.WebFilter
INFO: Request is instance of RequestWrapper! Continue...
Nov 19, 2013 4:28:50 PM com.hazelcast.web.WebFilter
INFO: Request is instance of RequestWrapper! Continue...
Nov 19, 2013 4:28:50 PM com.hazelcast.web.WebFilter
INFO: Request is instance of RequestWrapper! Continue...
10069.275: [GC [PSYoungGen: 693173K->3458K(695488K)] 877908K->188718K(2093632K), 0.0224650 secs] [Times: user=0.04 sys=0.00, real=0.02 secs]
Nov 19, 2013 4:29:18 PM com.hazelcast.web.WebFilter
INFO: Created new session with id: HZE46365454C2C45F98A7947AC40E404BB
Nov 19, 2013 4:29:18 PM com.hazelcast.web.WebFilter
INFO: 198 is sessions.size and originalSessions.size: 198
Nov 19, 2013 4:29:18 PM com.hazelcast.web.WebFilter
INFO: PUTTING SESSION HZE46365454C2C45F98A7947AC40E404BB

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