Boris Heithecker created NETBEANS-3234:
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Summary: Apache NetBeans running on JDK 11 cannot access package
classes
Key: NETBEANS-3234
URL: https://issues.apache.org/jira/browse/NETBEANS-3234
Project: NetBeans
Issue Type: Bug
Affects Versions: 11.1
Reporter: Boris Heithecker
If a package-info element is defined in some package, it cannot be properly
accessed at runtime:
java.lang.Package p = AnyClass.class.getPackage();
should return a package object representing the actual package-info element of
that package. It is, for example, used by the JAXB runtime to read XmlSchema
annotations at package level.
This has been tested in oracle jdk11.0.4. Class java.lang.Package in Java 11
has a private field called "packageInfo" of type "Class<?>", which should hold
a reference to the actual package-info class object, i.e.
AnyPackage.package-info. In NetBeans, always wrongly references
"java.lang.Package$1PackageInfoProxy", which is a fallback reference set if no
actual package-info could be found.
The reason is most likely that neither
org.netbeans.JarClassLoader
nor org.netbeans.ProxyClassLoader
nor org.netbeans.StandardModule$OneModuleClassLoader (all in
platform/o.n.bootstrap)
override method "java.lang.ClassLoader.findClass(String name)". The default
implementation throws an exceptions which causes the above fallback reference
to be set.
This is a serious issue. If it is not fixed, the platform will not be fully
comptabile, among others, with the JAXB RI and also JAX-WS RI.
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