Statement Cache Causes OutOfMemoryError

(Doc ID 2329421.1)

Last updated on NOVEMBER 19, 2017

Applies to:

Oracle WebLogic Server - Version 10.3.6 and later
Information in this document applies to any platform.

Symptoms

On : 10.3.6 version, OutOfMemoryError (OOME) occurs.

Using MAT check the heap dump file.

1. JDBC Connection Pool occupy 1.8G(93.61%)

 

2. There are 61 connection pool.

3. Query the connection, the stmtCache (preparedStatement) occupies the most of heap.

4. Query PreparedStatement, it occupies almost 1.8G heap.

 

Cause

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