PH67330: IBM RSEAPI 1.2.1, RESPONSES CAN BE INCORRECT WHEN THE SAME USER REQUESTS MULTIPLE DATASETS SIMULTANEOUSLY

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• In IBM z/OS Explorer RSEAPI version 1.2.1, there is an issue
  where responses might inaccurately include content from
  different datasets when a single user makes simultaneous
  requests for multiple datasets' content.
  
  Here's how to replicate the problem:
  
  User1 initiates a request (1) for the content of dataset
  MY.DATASET(PRG1) via the URL:
  https://host/rseapi/api/v1/datasets/MY.DATASET(PRG1)/content.
  
  Concurrently, User1 also requests (2) content of dataset
  MY.DATASET(PRG2).
  
  The result of request (1) is the content of dataset
  MY.DATASET(PRG2).
  The result of request (2) is the content of dataset
  MY.DATASET(PRG1).
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All mvs users                                *
  ****************************************************************
  * PROBLEM DESCRIPTION: In IBM z/OS Explorer RSEAPI version     *
  *                      1.2.1, there is an issue                *
  *                      where responses might inaccurately      *
  *                      include content from                    *
  *                      different datasets when a single user   *
  *                      makes simultaneous                      *
  *                      requests for multiple datasets' content *
  ****************************************************************
  RSEAPI has collision in sharing the internal download buffer for
  multiple concurrent content download
  

Problem conclusion

• As with raw content download, content download should use
  individual non-shared internal download buffer
  

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:

Modules/Macros

• HUH1SMPE HUH2RCVE HUH3ALOC HUH4ZFS  HUH5MKD  HUH6DDEF HUH7APLY
  HUH8ACPT HUHCRYPT HUHFT000 HUHFT001 HUHFT002 HUHFT003 HUHFT004
  HUHFT005 HUHFT006 HUHMKDIR HUHMOUNT HUHPAX01 HUHRACF  HUHSETUP
  HUHSHPAX HUHSTC
  

Fix information

• Fixed component name

  EXP FOR ZOS RSE

• Fixed component ID

  5655EXP33

Applicable component levels

• R120 PSY UO05471

     UP25/10/24 P F510

Fix is available

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