Troubleshooting
Problem
OutOfMemoryError or unexpectedly high heap utilization when using Oracle JDBC Driver and stored procedures. Leak detection logic may point to com.ibm.ejs.j2c.PoolManager however the leak is due to how stored procedures are processed by the JDBC Driver.
Symptom
OutOfMemoryError or high heap consumption while using stored procedures with Oracle JDBC. Current heap analyzers will point to the com.ibm.ejs.j2c.PoolManager as the source of the leak.
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Document Information
Modified date:
22 October 2025
UID
swg21421030