Error code XQE-JDB-0001 has been observed intermittently across reporting services. The full error message reads: XQE-JDB-0001 Problem establishing connection. Please check the database server. This indicates that the XQE (Query Engine) component cannot open a JDBC connection to the target database. The error is generic but typically points to a connectivity, authentication, or database availability problem.
Engineering & Operations Teams From: Database Reliability Team Subject: Incident Report: XQE-JDB-0001 – Problem Establishing Connection