JR60301: Swagger fails with NoClassDefFoundError error after upgrading to Commerce 9.0.1

APAR status

• Closed as program error.

Error description

• After upgrading to 9.0.1, the following error is seen when using
  Swagger.
  
  CWNCF5000E: An unexpected error has occurred. [kqzZQMNRH06R7CL6]
  com.ibm.commerce.cf.exception.SystemException: CWNCF5000E: An
  unexpected error has occurred. [kqzZQMNRH06R7CL6]
  at
  com.ibm.commerce.cf.rest.ErrorResponseContainer$Error.<init>(Err
  orResponseContainer.java:67)
  ...
  Caused by: java.lang.NoClassDefFoundError:
  com.fasterxml.jackson.dataformat.yaml.YAMLFactory
  at io.swagger.util.Json.mapper(Json.java:13)
  at
  io.swagger.jersey.SwaggerJersey2Jaxrs.<init>(SwaggerJersey2Jaxrs
  .java:34)
  

Local fix

Problem summary

• USERS AFFECTED:
  9.0.0.8, 9.0.1.0
  
  PROBLEM ABSTRACT:
  Swagger fails with NoClassDefFoundError error after upgrading to
   Commerce 9.0.1
  
  BUSINESS IMPACT:
  Customers unable to test with Swagger.
  
  RECOMMENDATION:
  

Problem conclusion

• This fix corrects jackson-dataformat-yaml-2.4.5.jar
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  WC BUS EDITION

• Fixed component ID

  5724I3800

Applicable component levels

• R900 PSY

     UP