Tech Discussed

Category: SOA

  • Error(1,1)mdssys/mdx/componentType.rdf: XML-20108: (Fatal Error) Start of root element expected.

     Error(1,1)mdssys/mdx/componentType.rdf<Line 1, Column 1>: XML-20108: (Fatal Error) Start of root element expected. Sometimes when we build Oracle SOA project we get the above error. To resolve this issue just go to those file where this error is coming you can see this from compiler and remove those file or add following in those files  <xml…

  • Oracle SOA Business rule Fact not found in the rule engine working memory

    The following error comes sometimes in Oracle SOA suite business rule. Fact not found in the rule engine working memory, rule session execution failed. This is most likely a rule modeling error. I was facing the same issue while working on business rule. The error was coming due to schema issues or namespace issues in…

  • Oracle SOA BPEL Email error Could not connect to SMTP host: smtp.gmail.com

    I configured email server in Enterprise Manger and then I used email activity in BPEL to send notifications. But I was facing the below issue. After much troubleshooting I figured it out as network issue. My server was behind proxy server and it was blocking such type traffic then I have to check it with…

  • OPatch command error, Oracle SOA 12c opatch commad

    I was executing opatch command to know about version but I had been facing the following error. I could not understand why is it happening. Then I used the correct path of JDK with below command an it worked. [oracle@bpm01 OPatch]$ ./opatch lsinventory Exception in thread “main” java.lang.UnsupportedClassVersionError: com/oracle/cie/gdr/external/InventoryException : Unsupported major.minor version 51.0  …

  • Oracle SOA Suite 12C search Instances by Flow ID

    Well, its very simple post but you can face problem when use Oracle SOA suite 12c to search specific instance by using Flow ID  . If you have worked with Oracle SOA suite 11g, You would have observed search criteria which is very simple but in 12C, search criteria is little advance. I want to…

  • Oracle SOA file adapter example part 2

    Continuing from previous part Oracle SOA file adapter examples using mediator, will will now configure File Adapter to write file. 1)  Drag and drop a file adapter in External references lane. Name it as “WriteFileAdapter” click next and then again next on operation window select Write File. Click next again and on file configuration window…

  • Oracle SOA File read and Write example using Mediator and File Adapter

    The main aim of this post is to show how we can use Mediator in SOA suite and how to configure file read and write adapters. This case could be useful in many cases. This is just a sample example and in real world you can design more complex scenarios using Mediator component. But this…

  • Error(24,68): SCAC-50012 Oracle SOA BPEL Error in JDeveloper while building application

    I was following one of document/tutorial to implement email notification service in BPEL. But after completing it when I tried to build it, It gave Error(24,68): SCAC-50012. It was so generic error that I could not find exact detailed error. So I did again every step that I did to build application and rebuilt application…

  • Internet of things (IoT), Oracle Internet of things

    The inter connection of uniquely identifiable embedded computer like devices within an existing internet infrastructure is refers as Internet of things (IoT).  There is plenty of research and development going on in this field. Business men smell new opportunities of business in this area. Because of ubiquity nature of these devices, the number of devices…

  • Oracle SOA Suite Mediator component

    Oracle mediator provides mediation capabilities like transformation, selective routing and validation. It also provides message exchange patterns like synchronous, asynchronous, and event punishing or subscription. It provide a light weight framework for mediation in intra-composite components such as human workflow, business process etc. Mediator can transform data from one format to another i.e we can…