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Tomcat fails to start because of jdbc driver loading


Tomcat fails to start because of jdbc driver loading

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Tomcat fails to start because of jdbc driver loading
Tag : development , By : cheese_doodle
Date : January 02 2021, 06:48 AM


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Cannot create JDBC driver of class '' for connect URL 'null' : Tomcat & SQL Server JDBC driver


Tag : java , By : brennen
Date : March 29 2020, 07:55 AM
it fixes the issue
The context.xml in your web application's META-INF folder will take precedence over the one in the /conf directory, which is really just a generic default.

Loading jdbc driver via resource (Tomcat 7)


Tag : java , By : desmiserables
Date : March 29 2020, 07:55 AM
seems to work fine Tomcat automatically adds container managed connection pooling to every resource of type jaxaz.sql.DataSource. The library that provides this pooling (a package renamed version of Commons DBCP) is loaded by the shared class loader (which in a default config is the same as the common loader). The pooling implementation needs to be able to load the configured JDBC driver and the shared (and common) loader does not have visibility into the web application class loaders. Therefore, the JAR with the JDBC driver needs to be in the $CATALINA_BASE/lib directory so it can be loaded.
However, as of r754776, DBCP falls back to the Thread's context class loader if it can't load the specified Driver. If the thread context class loader is set to the web application's class loader then the Driver can be loaded. This change was included in DBCP 1.3 and 1.4 onwards which means it was included in 5.5.30 onwards, 6.0.27 onwards and every 7.0.x release. It will also be in every 8.0.x release.

JDBC using Tomcat-DBCP requires JDBC driver in Tomcat's own /lib


Tag : java , By : DaveF
Date : March 29 2020, 07:55 AM
wish helps you The answer to your first question is the very link you reference in your second question. That's why you should put JDBC drivers in /lib. Normally people advise against using /lib but JDBC drivers are a big exception.
For your second question, the workaround is to put it in Tomcat's shared /lib folder. That's it. That is the fix.

Cannot load JDBC driver class 'com.mysql.jdbc.Driver' Tomcat 8 & Eclipse


Tag : java , By : Lee KW
Date : March 29 2020, 07:55 AM
should help you out You need to add the mysql jar in classpath of Run Configurations.

Tomcat application crashing frequently possibly due to jdbc tomcat registering jdbc driver


Tag : java , By : Robert MacGregor
Date : March 29 2020, 07:55 AM
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