[logback-user] NoClassDefFoundError for ThrowableProxy?

Rusty Wright rusty.wright at gmail.com
Wed Dec 3 22:06:38 CET 2008

Sorry, I wasn't paying attention; I'm finding that in an old log file dated 1 December.  Now I'm not seeing it in the current one.  I'm trying to cook up some autoconfiguration of my log files and have different ones lying about.

Ceki Gulcu wrote:
> Do you have another copy of logback somewhere?
> Rusty Wright wrote:
>> Why am I getting this warning in my log file?  My WEB-INF/lib directory contains logback-classic-0.9.11.jar and that jar file contains ThrowableProxy.class.
>> 2008-12-01 18:46:59 WARN ContainerBackgroundProcessor[StandardEngine[Catalina]] org.springframework.beans.factory.support.DisposableBeanAdapter.invokeCustomDestroyMethod:217, Invocation of destroy method 'close' failed on bean with name 'dataSource-db2': java.lang.NoClassDefFoundError: ch/qos/logback/classic/spi/ThrowableProxy

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