Users Login Under TomEE Receiving 'PooledConnection.clearWarnings Unable To Clear Warnings Connection Will Be Closed' Message (Doc ID 2877915.1)

Last updated on NOVEMBER 27, 2023

Applies to:

Symptoms

On : 11.3.1.5 version, General

Users are facing connection pooling issues on login and eventually session times out.
Once this starts occurring, the application does not allow any user logins.
The following message appears in the logs:


ERROR
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INFO: Filtering request path: login/processLogin
09-Mar-2022 16:03:37.773 WARNING [tomcat-http--15] org.apache.tomcat.jdbc.pool.PooledConnection.clearWarnings Unable to clear Warnings, connection will be closed.
  java.sql.SQLRecoverableException: Closed Connection
  at oracle.jdbc.driver.PhysicalConnection.clearWarnings(PhysicalConnection.java:2573)
  at org.apache.tomcat.jdbc.pool.PooledConnection.clearWarnings(PooledConnection.java:837)
  at org.apache.tomcat.jdbc.pool.ConnectionPool.returnConnection(ConnectionPool.java:977)
  at org.apache.tomcat.jdbc.pool.ProxyConnection.invoke(ProxyConnection.java:100)
  at org.apache.tomcat.jdbc.pool.JdbcInterceptor.invoke(JdbcInterceptor.java:108)
  at org.apache.tomcat.jdbc.pool.interceptor.AbstractCreateStatementInterceptor.invoke(AbstractCreateStatementInterceptor.java:69)
  at org.apache.tomcat.jdbc.pool.JdbcInterceptor.invoke(JdbcInterceptor.java:108)
  at org.apache.tomcat.jdbc.pool.DisposableConnectionFacade.invoke(DisposableConnectionFacade.java:81)
  at com.sun.proxy.$Proxy139.close(Unknown Source)
  at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.closeDatasourceConnection(DatabaseAccessor.java:502)




STEPS
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The issue can be reproduced at will with the following steps:
1. Login to the OIPA Web app using the credentials.
2. Once user login, they can perform certain operations and the App works as expected.
3. Wait till the session times out and then try to login again.
4. Once user attempt login again, they encounter an message that the login is not working and the console shows 500 error.
5. The logs shows 'Closed Connection'.

Cause

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