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https://issues.apache.org/jira/browse/FREEMARKER-216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dániel Dékány resolved FREEMARKER-216.
--------------------------------------
Resolution: Fixed
> IllegalAccessException in Java 17
> ---------------------------------
>
> Key: FREEMARKER-216
> URL: https://issues.apache.org/jira/browse/FREEMARKER-216
> Project: Apache Freemarker
> Issue Type: Bug
> Components: engine
> Affects Versions: 2.3.32
> Reporter: Christopher Smith
> Priority: Critical
>
> I am using Freemarker in an annotation processor to generate code. I supply
> an instance of {{javax.lang.model.element.TypeElement}}, which implements
> {{QualifiedNameable}}, to the template model and use
> {{element.qualifiedName}} as a template variable.
> My code works fine under Java 11, but after updating the compiler to Java 17
> (even with Java 11 compliance settings), I am receiving an
> {{IllegalAccessException}}.
> There seems to be a severely deficient implementation in the encapsulation of
> Java internals that does not make methods that implement an interface
> accessible, but perhaps it's possible to get the {{Method}} handles for the
> property accessors on interfaces? I see that
> {{ClassIntrospector#discoverAccessibleMethods}} tries to do this, but perhaps
> it's not taking into account JPMS?
> {code}
> Caused by: java.lang.IllegalAccessException: class
> freemarker.ext.beans.BeansWrapper cannot access class
> com.sun.tools.javac.code.Symbol$ClassSymbol (in module jdk.compiler) because
> module jdk.compiler does not export com.sun.tools.javac.code to unnamed
> module @43c3d622
> at
> java.base/jdk.internal.reflect.Reflection.newIllegalAccessException(Reflection.java:392)
> at
> java.base/java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:674)
> at java.base/java.lang.reflect.Method.invoke(Method.java:560)
> at
> freemarker.ext.beans.BeansWrapper.invokeMethod(BeansWrapper.java:1553)
> at
> freemarker.ext.beans.BeanModel.invokeThroughDescriptor(BeanModel.java:233)
> at freemarker.ext.beans.BeanModel.get(BeanModel.java:152)
> ... 129 more
> {code}
> {code}
> FreeMarker template error:An error has occurred when reading existing
> sub-variable "qualifiedName"; see cause exception! The type of the containing
> value was: extended_hash+string (com.sun.tools.javac.code.Symbol$ClassSymbol
> wrapped into f.e.b.StringModel)
> {code}
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