[jboss-jira] [JBoss JIRA] (WFLY-13132) Wrong/Incomplete CLUSTER_TOPOLOGY update sent to EJB client
Richard Achmatowicz (Jira)
issues at jboss.org
Mon May 4 11:50:43 EDT 2020
[ https://issues.redhat.com/browse/WFLY-13132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14075581#comment-14075581 ]
Richard Achmatowicz edited comment on WFLY-13132 at 5/4/20 11:49 AM:
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I have now worked out how to set the initialProtocol variable on the initial session creation or on the first invocation, but it feels a bit unnatural. It also natutally leads to the idea of a preferred protocol which seems a bit complicated.
It then occurred to me that there is a different way to solve this problem which may be more natural. If a client connects on the HTTP upgrade port 8080, send back client mapping entries which apply only for that port (e.g. localhost:8080); if a client connects on the legacy port 4447, send back client mappings which apply to that port (e.g. localhost:4447). Then the client is responsible for connecting to the appropriate port via configured connections in wildfly-config.xml or entries in PROVIDER_URL. This would depend upon a way to identify the origin of the invocation: via legacy Remoting port or HTTP Upgrade port. It would eliminate the need for a preferred protocol as a client could only be associated with one protocol.
was (Author: rachmato):
I have now worked out how to set the initialProtocol variable on the initial session creation or on the first invocation, but it feels a bit unnatural. It also natutally leads to the idea of a preferred protocol which seems a bit complicated.
It then occurred to me that there is a different way to solve this problem which may be more natural. If a client connects on the HTTP upgrade port 8080, send back client mapping entries which apply only for that port (e.g. localhost:8080); if a client connects on the legacy port 4447, send back client mappings which apply to that port (e.g. localhost:4447). Then the client is responsible for connecting to the appropriate port via configured connections in wildfly-config.xml or entries in PROVIDER_URL.
> Wrong/Incomplete CLUSTER_TOPOLOGY update sent to EJB client
> -----------------------------------------------------------
>
> Key: WFLY-13132
> URL: https://issues.redhat.com/browse/WFLY-13132
> Project: WildFly
> Issue Type: Bug
> Components: EJB
> Affects Versions: 19.0.0.Beta2
> Reporter: Joerg Baesner
> Assignee: Richard Achmatowicz
> Priority: Major
> Labels: downstream_dependency
> Attachments: playground.zip
>
>
> h2. +Issue+
> h3. +General Client setup:+
> {code:java}
> Properties p = new Properties();
> p.put(Context.INITIAL_CONTEXT_FACTORY, "org.wildfly.naming.client.WildFlyInitialContextFactory");
> p.put(Context.PROVIDER_URL, {see below});
> p.put(Context.SECURITY_PRINCIPAL, USER);
> p.put(Context.SECURITY_CREDENTIALS, PWD);
> Context context = new InitialContext(p);
> {code}
> ----
> h3. +Standard server configuration:+
> {code:xml}
> <subsystem xmlns="urn:jboss:domain:ejb3:5.0">
> ...
> <remote connector-ref="http-remoting-connector" thread-pool-name="default">
> <channel-creation-options>
> <option name="READ_TIMEOUT" value="${prop.remoting-connector.read.timeout:20}" type="xnio"/>
> <option name="MAX_OUTBOUND_MESSAGES" value="1234" type="remoting"/>
> </channel-creation-options>
> </remote>
> ...
> </subsystem>
> ...
> <subsystem xmlns="urn:jboss:domain:remoting:4.0">
> <connector name="remoting-connector" socket-binding="remoting" security-realm="ApplicationRealm">
> <properties>
> <property name="SSL_ENABLED" value="false"/>
> </properties>
> </connector>
> <http-connector name="http-remoting-connector" connector-ref="default" security-realm="ApplicationRealm"/>
> </subsystem>
> {code}
> h5. +invocation from remote client to server with:+
> * {{remote://localhost:4447}}
> * {{remote+http://localhost:8080}}
> h5. +Client side topology update always:+
> {noformat}
> DEBUG (XNIO-1 task-2) [org.jboss.ejb.client.invocation] Received CLUSTER_TOPOLOGY(15) message from node master:app-cluster-node0, registering cluster ejb to node master:app-cluster-node0
> DEBUG (XNIO-1 task-2) [org.jboss.ejb.client.invocation] Received CLUSTER_TOPOLOGY(15) message block from master:app-cluster-node0, registering block ::/0 to address 127.0.0.1:8080
> DEBUG (XNIO-1 task-2) [org.jboss.ejb.client.invocation] Received CLUSTER_TOPOLOGY(15) message from node master:app-cluster-node0, registering cluster ejb to node master:app-cluster-node1
> DEBUG (XNIO-1 task-2) [org.jboss.ejb.client.invocation] Received CLUSTER_TOPOLOGY(15) message block from master:app-cluster-node0, registering block ::/0 to address 127.0.0.1:8180
> DEBUG (XNIO-1 task-1) [org.jboss.ejb.client.invocation] Received MODULE_AVAILABLE(8) message from node master:app-cluster-node0 for module playground-app/playground-app-web
> DEBUG (XNIO-1 task-1) [org.jboss.ejb.client.invocation] Received MODULE_AVAILABLE(8) message from node master:app-cluster-node0 for module playground-app/playground-app-ejb
> {noformat}
> ----
> h3. +Legacy server configuration:+
> {code:xml}
> <subsystem xmlns="urn:jboss:domain:ejb3:5.0">
> ...
> <remote connector-ref="remoting-connector" thread-pool-name="default">
> <channel-creation-options>
> <option name="READ_TIMEOUT" value="${prop.remoting-connector.read.timeout:20}" type="xnio"/>
> <option name="MAX_OUTBOUND_MESSAGES" value="1234" type="remoting"/>
> </channel-creation-options>
> </remote>
> ...
> </subsystem>
> ...
> <subsystem xmlns="urn:jboss:domain:remoting:4.0">
> <connector name="remoting-connector" socket-binding="remoting" security-realm="ApplicationRealm">
> <properties>
> <property name="SSL_ENABLED" value="false"/>
> </properties>
> </connector>
> <http-connector name="http-remoting-connector" connector-ref="default" security-realm="ApplicationRealm"/>
> </subsystem>
> {code}
> h5. +invocation from remote client to server with:+
> * {{remote://localhost:4447}}
> * {{remote+http://localhost:8080}}
> h5. +Client side topology update always:+
> {noformat}
> DEBUG (XNIO-1 task-2) [org.jboss.ejb.client.invocation] Received CLUSTER_TOPOLOGY(15) message from node master:app-cluster-node0, registering cluster ejb to node master:app-cluster-node0
> DEBUG (XNIO-1 task-2) [org.jboss.ejb.client.invocation] Received CLUSTER_TOPOLOGY(15) message block from master:app-cluster-node0, registering block ::/0 to address 127.0.0.1:4447
> DEBUG (XNIO-1 task-2) [org.jboss.ejb.client.invocation] Received CLUSTER_TOPOLOGY(15) message from node master:app-cluster-node0, registering cluster ejb to node master:app-cluster-node1
> DEBUG (XNIO-1 task-2) [org.jboss.ejb.client.invocation] Received CLUSTER_TOPOLOGY(15) message block from master:app-cluster-node0, registering block ::/0 to address 127.0.0.1:4547
> DEBUG (XNIO-1 task-1) [org.jboss.ejb.client.invocation] Received MODULE_AVAILABLE(8) message from node master:app-cluster-node0 for module playground-app/playground-app-web
> DEBUG (XNIO-1 task-1) [org.jboss.ejb.client.invocation] Received MODULE_AVAILABLE(8) message from node master:app-cluster-node0 for module playground-app/playground-app-ejb
> {noformat}
> h2. +Conclusion+
> Depending on what is configured as {{connector-ref}} in the {{remote}} of the _ejb3_ subsystem the {{CLUSTER_TOPOLOGY}} update is different. From a client perspective it would be expected that either the {{CLUSTER_TOPOLOGY}} update would _only_ contain destinations that are applicable for the _connector/protocol_ that has been used, or maybe even _ALL_ available destinations, as the client could potentially run a mix of protocols between invocations...
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