Error: cannot be cast to

  • When we Migrate OSB 11g project to 12c or create new project in 12c, it will give error while opening composite.xml:

java.lang.ClassCastException: cannot be cast to



  • Go to your project folder structure:

Right Click Project Name –> Click on project properties –> Click on project source path –> Copy output directory and open it in window.

  • Open <ProjectName>.jpr file in notepad and remove SOA from TechnologyScopeConfiguration.

<string v=”SOA”/>




  • Restart JDeveloper and open composite.xml file. You can see all configured services and references.

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