Check out example codes for "org.h2.jdbc.JdbcSQLNonTransientConnectionException: Database may be already in use: null. Possible solutions: close all other connection(s); use the server mode [90020-200]". It will help you in understanding the concepts better.

Code Example 1

<property name="javax.persistence.jdbc.url" value="jdbc:h2:tcp://localhost/C:\Database\Data\production;"/>

Code Example 2

ps -ef | grep wso2

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