Hi!
We have some library, that we use in our web applications. We put jars of
this library into WEB-INF/lib directory of each application.
But the library is in permanently development, so we have new and new
versions of it every several months. Sometimes it is not backward
compatible. So we need old applications work with old version of library and
new -- with new. Is it possible? Wouldn't these files interfere? We have
same classnames in different versions of library. Does one applicationa is
totally separated from other in the sense of names of classes?
It seems to me, that we meet some interferention here. We got an exception
about some signature:
java.lang.VerifyError: (class: com/vsetech/vtv/data/MetSystem, method:
initMetSystem signature:
(ZZLjava/lang/String;Ljava/lang/String;Ljava/lang/String;)V) Incompatible
object argument for function call
at
com.vsetech.webmet.metservlet.MetServlet.MetServletInit(MetServlet.java:39)
at
com.vsetech.webmet.metservlet.MetTemplateServlet.init(MetTemplateServlet.jav
a:22)
at javax.servlet.GenericServlet.init(GenericServlet.java:256)
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:93
5)
...
What is it?
Thanks.
Dims.
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