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https://issues.apache.org/jira/browse/WICKET-6980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17533757#comment-17533757
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Sushila Burgess commented on WICKET-6980:
-----------------------------------------
I can confirm that my application is now working after doing the following:
* Setting the system property
* Adding byte buddy as a dependency
* Upgrading to Wicket 9.9.1
Thank you again Sven.
> Exception net.sf.cglib.proxy.MethodInterceptor not found (wicket-9.3 onwards)
> -----------------------------------------------------------------------------
>
> Key: WICKET-6980
> URL: https://issues.apache.org/jira/browse/WICKET-6980
> Project: Wicket
> Issue Type: Bug
> Affects Versions: 9.3.0, 9.9.1
> Environment: Java 11, Windows 10 Enterprise, Payara Server 5.201
> Reporter: Sushila Burgess
> Assignee: Sven Meier
> Priority: Major
> Attachments: quickstart_9_0_0.zip, quickstart_9_3_0.zip,
> stacktrace.txt
>
>
> This exception did not occur in 9.0.0, was first encountered when trying to
> upgrade from 9.0.0 to 9.3.0 and is still present in 9.9.1.
> It occurs at runtime (running under Payara 5.201) when loading any EJB.
> We first came across this exception when attempting database access, but it
> is not limited to database access, it also occurs with a JavaMail EJB. This
> means the problem can be reproduced by adding only one short extra file to
> your quick-start templates. I have created and am attaching two extremely
> simple quick-start applications, based on your templates for 9.0.0 and 9.3.0.
> All their Java and HTML source is identical, and essentially the only
> difference between them is their Wicket version. The 9.0.0 version works
> fine, and the 9.3.0 version throws the "MethodInterceptor class not found
> exception" before the home page can even be displayed.
> To get the 9.0.0 version working, deploy on Payara 5 and configure a JavaMail
> session called "mail/GmailSession" with the details of your mail server. A
> simple form is displayed on the home page, allowing the user to enter their
> email address. When the form is submitted, a test message is sent to that
> email address.
> *Diff pom.xml*
> $ diff -w quickstart_9_0_0/pom.xml quickstart_9_3_0/pom.xml
> 24c24
> < <artifactId>quickstart_9_0_0</artifactId>
> ---
> > <artifactId>quickstart_9_3_0</artifactId>
> 28c28
> < <name>quickstart_9_0_0</name>
> ---
> > <name>quickstart_9_3_0</name>
> 44,45c44,45
> < <wicket.version>9.0.0</wicket.version>
> < <jetty9.version>9.4.29.v20200521</jetty9.version>
> ---
> > <wicket.version>9.3.0</wicket.version>
> > <jetty9.version>9.4.38.v20210224</jetty9.version>
> 47c47
> < <junit.version>5.6.2</junit.version>
> ---
> > <junit.version>5.7.1</junit.version>
>
> *Diff src*
> $ diff -rw quickstart_9_0_0/src quickstart_9_3_0/src
> diff -rw quickstart_9_0_0/src/main/webapp/WEB-INF/web.xml
> quickstart_9_3_0/src/main/webapp/WEB-INF/web.xml
> 6c6
> < <display-name>quickstart_9_0_0</display-name>
> ---
> > <display-name>quickstart_9_3_0</display-name>
> 20c20
> < <filter-name>wicket.quickstart_9_0_0</filter-name>
> ---
> > <filter-name>wicket.quickstart_9_3_0</filter-name>
> 29c29
> < <filter-name>wicket.quickstart_9_0_0</filter-name>
> ---
> > <filter-name>wicket.quickstart_9_3_0</filter-name>
>
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