I have not used that plugin myself, please be sure to reach out via the user list for geoserver questions. There is of course commercial support, many organizations (including my employer) are reachable for one on one support: http://geoserver.org/support
One tip I can offer is to find the code in geoserver github repository, and look in the pom.xml to see if a developer or company is associated with the work. You may also look at the history to see if specific groups have a knowledge of the codebase. This is very good research to do when choosing commercial support. In this case https://github.com/geoserver/geoserver/tree/main/src/community/jms-cluster is a community module, so it is being shared in the hopes of collaboration with other developers such as yourself. You may also wish to look at the test cases for a working example of how to configure. -- Jody Garnett On Wed, 24 Nov 2021 at 02:56, Gianni Contino <contino.gia...@gmail.com> wrote: > Hi Jody, > I assume you are the development manager of the notification plugin for > geoserver, so I have a question for you, if you can help me. > The plugin is great and I was able to make it work with RabbitMQ as > fanout, > but I'm experiencing an issue just as I want messages to be sent to a > topic on *ActiveMQ*. > > This XML setting works well with RabbitMQ and sends a message to queue > "changes" on "exchange1" > > <notificator> > <queueSize>1000</queueSize> > <processorThreads>10</processorThreads> > <messageFilter>type='Data'</messageFilter> > <genericProcessor> > <fanoutSender> > <username>guest</username> > <password>guest</password> > <host>localhost</host> > <port>5672</port> > <virtualHost>/</virtualHost> > <exchangeName>exchange1</exchangeName> > <routingKey>changes</routingKey> > </fanoutSender> > </genericProcessor></notificator> > > Instead for *Apache ActiveMQ *I'm trying to make geoserver send message to a > topic named "topic.geoserver", so I replaced <fanoutSender> with > <*topicSender*> and I filled others like this: > > <notificator> > <queueSize>1000</queueSize> > <processorThreads>10</processorThreads> > <messageFilter>type='Data'</messageFilter> > <genericProcessor> > <*topicSender*> > <username>admin</username> > <password>admin</password> > <host>localhost</host> > <port>5672</port> > <virtualHost>/</virtualHost> > <exchangeName>topic.geoserver</exchangeName> > <routingKey>topic.geoserver</routingKey> > </*topicSender*> > </genericProcessor> > </notificator> > > But it doesn't send message to AMQP server, > > it raises an error as follows: > > 24 nov 11:41:15 ERROR [geoserver.notification] - > java.lang.NullPointerException > at > org.geoserver.notification.common.DefaultNotificationProcessor.process(DefaultNotificationProcessor.java:38) > at > org.geoserver.notification.MessageProcessor$WorkerThread.run(MessageProcessor.java:80) > at > java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) > at > java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) > at java.base/java.lang.Thread.run(Thread.java:829) > > > Probably I'm not setting the XML in the correct way. Can you help me to solve > this issue? > > Thanx very much, > > Regards, > > Gianni > > > > >
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