JR61932: DEADLOCK MAY OCCUR IN CASE OF SIMULTANEOUS ACTION TO DELETE A SUBSCRIPTION AND TO START A DIFFERENT SUBSCRIPTION

APAR status

• Closed as program error.

Error description

• 3-way circular deadlock can happen if the action to delete a
  subscription and the action to start a different subscription
  all starts around the same time from different places
  

Local fix

• NA
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * This issue affects you if you try to delete a subscription   *
  * at the same time as another user tries to start a            *
  * subscription, where both subscriptions have the same target  *
  * datastore.                                                   *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * When the CDC target started a subscription and a user was    *
  * also deleting a different subscription with same target at   *
  * the same time, it caused a 3-way deadlock.                   *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Upgrade to IDR LUW 11.4.0.2-5544 or newer for Oracle.        *
  ****************************************************************
  

Problem conclusion

• Upgrading to IDR LUW 11.4.0.2-5544 or newer for Oracle resolves
  the issue.
  

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

  IS CDC ORACLE

• Fixed component ID

  5725E30OR

Applicable component levels

• RB40 PSY

     UP