XML Digital Signature throws NAMESPACE_ERR exception under OpenJDK 11 that works under Java SE 8

[Yozons]

A quick update if it helps.  We were able to test under Java 10, and it also
works fine.  So the issue starts with OpenJDK 11.
 
Works Java 8:
java version "1.8.0_161"
Java(TM) SE Runtime Environment (build 1.8.0_161-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.161-b12, mixed mode)
 
Works Java 10:
java version "10.0.2" 2018-07-17
Java(TM) SE Runtime Environment 18.3 (build 10.0.2+13)
Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10.0.2+13, mixed mode)
 
Broken on Java 11:
openjdk version "11.0.2" 2019-01-15
OpenJDK Runtime Environment 18.9 (build 11.0.2+9)
OpenJDK 64-Bit Server VM 18.9 (build 11.0.2+9, mixed mode)



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