2 Replies Latest reply on Aug 4, 2015 7:55 AM by holodnicks

Apache Advertising with JBoss EAP 6.3 Issues

holodnicks Aug 3, 2015 8:57 AM

Hello,

I'm trying to get Apache and JBoss EAP 6.3 standalone advertising and discovery working with mod_cluster 1.3.1. It looks like Apache is advertising and Jboss is receiving, but it doesn't appear to be accepting responses from JBoss. Here is the error I am getting:

08:20:28,069 ERROR [org.jboss.modcluster] (ContainerBackgroundProcessor[StandardEngine[jboss.web]]) MODCLUSTER000043: Failed to send INFO to localhost/127.0.0.1:6666: java.net.ConnectException: Connection refused

at java.net.PlainSocketImpl.socketConnect(Native Method) [rt.jar:1.7.0_67]

at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339) [rt.jar:1.7.0_67]

at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200) [rt.jar:1.7.0_67]

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182) [rt.jar:1.7.0_67]

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) [rt.jar:1.7.0_67]

at java.net.Socket.connect(Socket.java:579) [rt.jar:1.7.0_67]

at org.jboss.modcluster.mcmp.impl.DefaultMCMPHandler$Proxy.getConnection(DefaultMCMPHandler.java:835)

at org.jboss.modcluster.mcmp.impl.DefaultMCMPHandler$Proxy.getConnectionWriter(DefaultMCMPHandler.java:858)

at org.jboss.modcluster.mcmp.impl.DefaultMCMPHandler.sendRequest(DefaultMCMPHandler.java:499)

at org.jboss.modcluster.mcmp.impl.DefaultMCMPHandler.sendRequest(DefaultMCMPHandler.java:600)

at org.jboss.modcluster.mcmp.impl.DefaultMCMPHandler.status(DefaultMCMPHandler.java:372)

at org.jboss.modcluster.mcmp.impl.DefaultMCMPHandler.status(DefaultMCMPHandler.java:350)

at org.jboss.modcluster.ModClusterService.status(ModClusterService.java:458)

at org.jboss.modcluster.container.catalina.CatalinaEventHandlerAdapter.lifecycleEvent(CatalinaEventHandlerAdapter.java:249)

at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:115) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]

at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1323) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]

at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1588) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]

at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1574) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]

at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_67]

08:20:28,086 ERROR [org.jboss.modcluster] (ContainerBackgroundProcessor[StandardEngine[jboss.web]]) MODCLUSTER000042: Error null sending INFO command to 172.xx.xx.xx/172.xx.xx.xx:6666, configuration will be reset: null

08:20:38,090 ERROR [org.jboss.modcluster] (ContainerBackgroundProcessor[StandardEngine[jboss.web]]) MODCLUSTER000042: Error null sending INFO command to 172.xx.xx.xx/172.xx.xx.xx:6666, configuration will be reset: null

08:20:48,095 ERROR [org.jboss.modcluster] (ContainerBackgroundProcessor[StandardEngine[jboss.web]]) MODCLUSTER000042: Error null sending INFO command to 172.xx.xx.xx/172.xx.xx.xx:6666, configuration will be reset: null

08:20:58,099 ERROR [org.jboss.modcluster] (ContainerBackgroundProcessor[StandardEngine[jboss.web]]) MODCLUSTER000042: Error null sending INFO command to 172.xx.xx.xx/172.xx.xx.xx:6666, configuration will be reset: null....

Here is my mod_cluster.conf file on my Apache server:

CreateBalancers 1

Listen 172.xx.xx.xx:6666

ManagerBalancerName mycluster

KeepAliveTimeout 300

MaxKeepAliveRequests 0

AdvertiseFrequency 5

AdvertiseGroup 224.0.1.105:23364

EnableMCPMReceive

Order deny,allow

Allow from all

#Allow from 172.xx.xx.xx

</Location>

</VirtualHost>

</IfModule>

I also ran these commands at the jboss command line:

batch
/subsystem=modcluster:add

/subsystem=modcluster/mod-cluster-config=configuration:add(connector=ajp,advertise-socket=modcluster)

run-batch

Any suggestions are helpful. Thank you in advance.

1. Re: Apache Advertising with JBoss EAP 6.3 Issues

holodnicks Aug 4, 2015 7:47 AM (in response to holodnicks)

Here's an update.

I've taken down my firewall down on both machines and it is still not connecting. I am running this on an Ubuntu system.

Here is the Apache output when it fails to connect:
[Tue Aug 04 07:27:01.311348 2015] [authz_core:error] [pid 47538:tid 140033625409280] [client 172.17.2.49:49526] AH01630: client denied by server configuration: /

On the JBoss side it's still returning:

08:20:28,086 ERROR [org.jboss.modcluster] (ContainerBackgroundProcessor[StandardEngine[jboss.web]]) MODCLUSTER000042: Error null sending INFO command to 172.xx.xx.xx/172.xx.xx.xx:6666, configuration will be reset: null

Here is my JBoss modcluster config:

<subsystem xmlns="urn:jboss:domain:modcluster:1.2">
                <mod-cluster-config advertise="false" connector="ajp" proxy-list="172.xx.xx.xx:6666">
                <dynamic-load-provider>
                    <load-metric type="busyness"/>
                </dynamic-load-provider>
            </mod-cluster-config>
        </subsystem>

Here is my updated Apache mod_cluster.conf file:

CreateBalancers 1

<IfModule manager_module>
    Listen 172.xx.xx.xx:6666
    #ManagerBalancerName mycluster

    <VirtualHost 172.xx.xx.xx:6666>
        ServerName jboss1.clus.domain
        EnableMCPMReceive On
        <Directory />
                Order deny,allow
                #Deny from all
                Allow from 172.xx.xx.0/24
                Allow from 127.0.0.1
        </Directory>

     </VirtualHost>

</IfModule>

Again, any suggestions are helpful. I haven ot been able to resolve this with any advice from forums or net searches. I've been struggling with getting this issue for some time now. Thank you.
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2. Re: Apache Advertising with JBoss EAP 6.3 Issues

holodnicks Aug 4, 2015 7:55 AM (in response to holodnicks)
I was able to resolve my problem it had to do with updated Apache 2.4 rules:

2.2 configuration:
Order allow,deny Allow from all
2.4 configuration:
Require all granted
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