[4.1.0] Database connections are getting busy when using Monetization feature

[arunans23]

Description:

$subject

Caused by: org.apache.tomcat.jdbc.pool.PoolExhaustedException: [https-jsse-nio-9443-exec-45] Timeout: Pool empty. Unable to fetch a connection in 60 seconds, none available[size:50; busy:50; idle:0; lastwait:60000].
at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:738)
at org.apache.tomcat.jdbc.pool.ConnectionPool.getConnection(ConnectionPool.java:198)
at org.apache.tomcat.jdbc.pool.DataSourceProxy.getConnection(DataSourceProxy.java:136)
at org.wso2.carbon.identity.core.persistence.JDBCPersistenceManager.getDBConnection(JDBCPersistenceManager.java:147)
... 57 more

Steps to reproduce:

1. Configure monetization with Stripe
   https://apim.docs.wso2.com/en/latest/design/api-monetization/monetizing-an-api/

2. When working with feature, you will observe the error.

Affected product version:

4.1.0

[hisanhunais]

Fixed via wso2-extensions/wso2-am-stripe-plugin#37 and is available from org.wso2.apim.monetization.impl-1.4.0.jar onwards