On 4/17/11 5:32 AM, Michal Singer wrote: > Hi, I am using tomcat version: apache-tomcat-6.0.18
Upgrade to a newer version of Tomcat 6 and then carefully monitor the logs during a webapp reload cycle. p > I have a problem on raise some times (hard to reproduce) where the tomcat > creates two instances of the same class loader in one web application . Type > of class loader: WebappClassLoader. > One of the two instances is also known inside another web application. So two > web apps share the same instance of class loader and one of the web > applications uses 2 instances, which as a result causes one class loader to > not know some of the classes created by the other instance. > This causes many problems, for example" instanceof fails where it should > succeed. > > Note that the parent class loader is the same instance. > > Does anyone know how to solve this problem? or how to work around it? > > Please note that when I restart the tomcat, this does not happen anymore. > > > > > Thanks, > Michal Singer > >
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