.Jar file in .war file does not get database connection tomcat java

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I have a Webservice passes a string to a method of a jarfile. In the method are some database operations

I created a .war file and wanted to run it in tomcat 8. But no changes are made in the database.

I googled a lot about tomcat database connections, but it looks like to me, that every tutorial is for webservice which directly use the database.

I somehow think that the jarfile should make the database connections without changes in the tomcat config or the code. in the cmd my jar is working fine.

What Informations do you need to know? I was not shure if anycode will be helpful. If you need something just tell me.

asked 14 secs ago

SteveM

1

.Jar file in .war file does not get database connection tomcat java