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https://issues.apache.org/jira/browse/LOG4J2-834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thiago Kronig updated LOG4J2-834:
---------------------------------
Attachment: 0001-LOG4J2-834-Ignores-NoClassDefFoundError-and-other-Th.patch
Hi. I encountered this bug this morning and cooked-up this patch, with a test
case built-in.
> NoClassDefFoundError in ThrowableProxy
> --------------------------------------
>
> Key: LOG4J2-834
> URL: https://issues.apache.org/jira/browse/LOG4J2-834
> Project: Log4j 2
> Issue Type: Bug
> Reporter: Nikita Koval
> Attachments:
> 0001-LOG4J2-834-Ignores-NoClassDefFoundError-and-other-Th.patch
>
>
> In method *loadClass* we expect {{ClassNotFoundException}}. But if class
> comes from another java machine we can get {{NoClassDefFoundError}}.
> Possible fix:
> {code:java}
> private Class<?> loadClass(final ClassLoader lastLoader, final String
> className) {
> // XXX: this is overly complicated
> Class<?> clazz;
> if (lastLoader != null) {
> try {
> clazz = Loader.initializeClass(className, lastLoader);
> if (clazz != null) {
> return clazz;
> }
> } catch (final Throwable ignore) {
> // Ignore exception.
> }
> }
> try {
> clazz = Loader.loadClass(className);
> } catch (final ClassNotFoundException | LinkageError ignored) {
> try {
> clazz = Loader.initializeClass(className,
> this.getClass().getClassLoader());
> } catch (final ClassNotFoundException | LinkageError ignore) {
> return null;
> }
> }
> return clazz;
> }
> {code}
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