All,
Velocity v1.7
openjdk version "16.0.2" 2021-07-20
OpenJDK Runtime Environment (build 16.0.2+7-67)
OpenJDK 64-Bit Server VM (build 16.0.2+7-67, mixed mode, sharing)
(Yes, I realize Velocity 1.7 is old but we haven't had time to evaluate
500+ templates for compatibility with later versions.)
I'm getting an error evaluating a template in a Java 16 VM. This
template shows information about X.509 certificates.
This is the error:
Exception: org.apache.velocity.exception.VelocityException:
ASTMethod.execute() : exception invoking method
'getSubjectAlternativeNames' in class sun.security.x509.X509CertImpl
Stack Trace:
org.apache.velocity.exception.VelocityException: ASTMethod.execute() :
exception invoking method "getSubjectAlternativeNames" in class
sun.security.x509.X509CertImpl
org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:208)
at
org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
[...]
Caused by:
org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl
cannot access class sun.security.x509.X509CertImpl (in module java.base)
because module java.base does not export sun.security.x509 to unnamed
module @ff8c08
jdk.internal.reflect.Reflection.newIllegalAccessException(Reflection.java:385)
[...]
My velocity code is just doing this:
#if($cert.subjectAlternativeNames)
.. print information about the SANs...
#end
I looked at my Java code and I'm getting all objects through standard
interfaces; I'm not mucking-around in the sun.* namespaces or anything
like that. The sun.security.x509.X509CertImpl class implements
java.security.cert.X509Certificate which is a standard interface and the
method java.security.cert.X509Certificate.getSubjectAlternativeNames is
defined on that interface.
Is it possible that UberspectImpl is choosing the "class-defined method"
over the "interface-defined method" when calling it, which is causing
this problem?
Is there any way around this issue?
Thanks,
-chris
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