Hi all,
We've found a side effect of change #68721 [1] in Tomcat 10.1.20 that
we'd like to notify you about.
We're using Apache Freemarker for back-end templating, and its NodeModel
class uses reflection to determine what classes to use for xpath,
thereby catching IllegalAccessError, see [2].
Per change #68721 a IllegalAccessError is caught as LinkageError and
turned into a Throwable, NoClassDefFoundError in our case, see [3], and
then falls through that block in NodeModel and errors out.
So this change in Tomcat alters the behaviour in Freemarker, which I
assume was unexpected. We can (and must) work around it, preventing the
IllegalAccessError, but still, maybe you'd like to improve again or have
other thoughts?
Regards,
Jeroen Hoffman
[1] https://bz.apache.org/bugzilla/show_bug.cgi?id=68721
[2]
https://github.com/apache/freemarker/blob/2.3/freemarker-core/src/main/java/freemarker/ext/dom/NodeModel.java#L645
[3]
https://github.com/apache/tomcat/blob/10.1.x/java/org/apache/catalina/loader/WebappClassLoaderBase.java#L2307
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