Building Your Event-Driven Architecture : Integration Server Administrator’s Guide : Managing webMethods Messaging Triggers : Managing Document Retrieval : Suspending and Resuming Document Retrieval : About Suspending and Resuming Document Retrieval for All Triggers : Suspending or Resuming Document Retrieval for All webMethods Messaging Triggers
Suspending or Resuming Document Retrieval for All webMethods Messaging Triggers
Use the following procedure to suspend or resume document retrieval for webMethods messaging triggers.
To suspend or resume document retrieval for all webMethods messaging triggers
1. Open the Integration Server Administrator if it is not already open.
2. In the Settings menu of the Navigation panel, click Messaging.
3. Click webMethods Messaging Trigger Management.
4. Under Individual webMethods Messaging Trigger Controls, in the Active column located under Document Retrieval, click edit all.
5. In the Retrieval State list, do the following:
Select...
To...
Active
Resume document retrieval for all webMethods messaging triggers.
Suspended
Suspend document retrieval for all webMethods messaging triggers.
6. If you want the state change to be permanent and maintained after Integration Server restarts or after a package reload, select the Apply Change Permanently check box. If you do not select this check box, Integration Server considers the change to be temporary.
7. If you want to apply the document retrieval change to all the servers in a cluster, select the Apply Change Across Cluster check box.
This check box appears only if the current Integration Server belongs is configured to synchronize trigger changes across the cluster. For more information about configuring an Integration Server to synchronize trigger management changes across a cluster, see Cluster Synchronization for webMethods Messaging Trigger Management.
8. Click Save Changes.
Notes:
*Integration Server does not suspend (or resume) document retrieval if the webMethods messaging trigger is locked or disabled.
*If Integration Server cannot suspend (or resume) document retrieval on the local Integration Server, cluster synchronization cannot occur.
*Integration Server does not suspend (or resume) document retrieval for webMethods messaging triggers that have been excluded from trigger management changes using the watt.server.trigger.managementUI.excludeList. For more information about this property, see Server Configuration Parameters.
*Suspending document retrieval affects document retrieval from the messaging provider only (Broker and Universal Messaging). webMethods messaging trigger will continue to receive locally published documents. Additionally, webMethods messaging triggers will continue to receive documents delivered to the default client.
*When you suspend document retrieval, Integration Server will not retrieve more documents from the messaging provider (Broker or Universal Messaging). Any server threads currently retrieving or processing documents for a webMethods messaging trigger will execute to completion.
*When you suspend document retrieval, documents to which this trigger subscribes will collect on the messaging provider. Documents remain on the messaging provider until document retrieval resumes for the trigger or the documents expire.
*When you resume document retrieval, Integration Server resumes document retrieval for webMethods messaging triggers at the percentage specified by the Queue Capacity Throttle.
*If you do not resume document retrieval before Integration Server restarts, the trigger package reloads, or the trigger properties are modified, the messaging provider discards any volatile documents that it is holding for the trigger.
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