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If there are security restrictions that prevent the installation of the Precise Listener on the monitored JVM server, you can monitor J2EE instances remotely without installing the Precise Listener there. In that case, the following features which are available in regular J2EE monitoring, are not available:• It
- It is not possible to configure the agent using the UI Settings menu.
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- The patch mechanism will not work. You will need to deploy the patches manually.
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- If the JVM is part of a PeopleSoft application, the PeopleSoft related data is not displayed.
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- The Availability indication for remote instances will not differentiate between the
Collector is downandJVMisdownstatus. Both statuses will be reported asJVM is not loading data.
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- It is not possible to generate a Support file for the monitored instance server.
Remote J2EE monitoring uses an SSL-based Listener as part of the Precise Listener which receives requests from the remote J2EE instances. To enable monitoring of a remote J2EE instance, you need to extract the deployment package on the instance server and modify the instance startup to use this folder.
The data is sent from the remote monitored J2EE instance to the SSL listeners, and then processed by Precise Listeners which are configured as consumers. SSL and Consumer configurations can be applied on one or more Precise Listeners. Consumers can be configured to consume data from all SSL listeners or from a specific one. This flexibility can answer Security and performance issues.
For example:• Performance
- Performance case. If you have a very large activity amount which is sent to one SSL listener, you can configure several Precise Listeners as consumers to load balance the data processing and the load to the PMDB.
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- Security case. If the monitored server and the FocalPoint are located in different security zones (the monitored server zone cannot approach to the FocalPoint zone), you can configure an SSL Listener in the monitored server zone, and a consumer Listener in the FocalPoint zone, so that the FocalPoint zone will initiate the communication. The SSL and Consumer configuration can be applied to both the Precise FocalPoint and Precise Listener.
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For information on monitoring settings for a remote J2EE instance, see the About monitoring settings for a remote J2EE instance section in the Administration Guide.
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