Config error java.lang.reflect.InvocationTargetException while using SymlinkAllowedResourceAliasChecker

[kishor1985]

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Jetty version(s)

12.0.17 Jetty Environment

ee9

Java version/vendor (use: java -version) 20.0.2 OS type/version Linux/Windows Description

Below is my jetty-web.xml file where i want to use the SymlinkAllowedResourceAliasChecker. When configuring like below I am getting below exception,

`

<Call name="addAliasCheck">
	<Arg>
		<New class="org.eclipse.jetty.server.SymlinkAllowedResourceAliasChecker">
                          <Arg>
                             <Ref refid="ContextHandler"/>
                          </Arg>
	</Arg>
</Call>

<Get name="securityHandler">
	<Set name="authenticatorFactory">
		<New class="com.project.app.jetty.AppAuthenticatorFactory">
			<Set name="loginPage">/login</Set>
			<Set name="defaultApp">/testApp</Set>
			<!-- comma delimited set of paths that are root pages other than index.html -->
			<Set name="rootPages">testApp.html</Set>
			<!-- comma delimited set of paths that will not get redirected to login page
				but instead return HTTP 401 -->
			<Set name="ExcludeRedirect">/rest</Set>
			<!-- typically once the browser has authenticated, the auth string isn't required for future calls
			     set this to have paths always authenticated on each call. comman delimited set of paths
			 -->
			<Set name="AuthAlways">/rest</Set>
		</New>
	</Set>
</Get>

` exception:

2025-05-16 12:37:40.012:WARN :oejx.XmlConfiguration:main: Config error java.lang.reflect.InvocationTargetException at <Call name="addAliasCheck"><Arg>| ???<New class="org.eclipse.jetty.server.SymlinkAllowedResourceAliasChecker"><Arg>|?? <Ref refid="ContextHandler"/>|?? </Arg></New>|??</Arg></Call>

Requesting your assistance about proper way to configure the SymlinkAllowedResourceAliasChecker.

How to reproduce?