History of web services: Monolith to Microservices

If you have struggled with decisions when designing APIs or Microservices – it is best to take a step back and look at how we got here. It helps not only renew our appreciation for the rapid changes we have seen over the past 10-20 years but also puts into perspective why we do what…More

Oracle SOA Suite 11g BPEL – FTP Adapter: What’s my filename?

I was writing an FTP adapter for a client recently for a legacy integration project, when a couple of  requirements came up: 1) When reading the file from a remote location, the client wanted to use the filename as a data element. 2) When writing the file to a remote location, the client wanted the…More

BPEL Error with Receive/Pick

Error: “Error(81): There is not an activity (receive/pick) to start the process” Fix:  Check the “Create Instance” checkbox on your Receive or Pick activity.   When do you see these errors? When you create a BPEL process and remove the default Receive/Reply components to receive/pick events from a queue or an FTP adapter for example.…More

High Performance Computing Comes to the Enterprise – Oracle’s Exalogic

Oracle’s Exalogic…. is a hardware platform that outperforms competition with features like 40 Gb/sec Infiniband network link,  30 x86 compute nodes,  360 Xeon cores (2.93 GHz), 2.8 TB DRAM and 960 GB SSD  in a full rack. Phew! Ref: Oracle’s Whitepaper on Exalogic You can “google” it … search for “Oracle Exalogic” and learn more about…More