java.lang.ClassCastException: java.util.ArrayList cannot be cast to java.util.Set

Atlassian JIRA | Wojciech Seliga | 5 years ago
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Root Cause Analysis

  1. java.lang.ClassCastException

    java.util.ArrayList cannot be cast to java.util.Set

    at com.atlassian.jira.user.util.DefaultUserManager.getAllGroups()
  2. com.atlassian.jira
    DefaultUserManager.getAllGroups
    1. com.atlassian.jira.user.util.DefaultUserManager.getAllGroups(DefaultUserManager.java:255)
    1 frame