WebLogic SingletonService for High Availability Scenarios: Create Logic that Runs Only in One Node of a Cluster at a Time and Fails Over Other Cluster Node when Things go Wrong or Maintenance is Needed


I recently visited a Package Delivery Company Customer (SxxR) who needed to implement a logic consisting in a background thread scanning continuously a shared directory containing acknowledgement of receipts of shipments files that must be processed and then passed to another stage. How can we make this logic HA? The answer is SingletonService: runs only … Continue reading WebLogic SingletonService for High Availability Scenarios: Create Logic that Runs Only in One Node of a Cluster at a Time and Fails Over Other Cluster Node when Things go Wrong or Maintenance is Needed