I think I need some help form somebody with a better understanding (than
me) of how maven dependencies work.
Because the Java sdo/impl project includes an optional stax
loader/serializer it includes this in its pom.xml file:
<!-- dependencies for optional StAX functions -->
<dependency>
<groupId>stax</groupId>
<artifactId>stax-api</artifactId>
<version>1.0.1</version>
<scope>provided</scope>
<optional>true</optional>
</dependency>
One of the new implementation classes in the the sdo/impl project also
uses the StAX function itself, internally in its implementation.
Now, in the sdo/tools project, we have a test program that calls the
implementation class that uses the StAX stuff (indirectly though an SDO
helper interface). Note that the test program in the sdo/tools project has
no import or direct use of any StAX interfaces.
However, when we now run mvn in the sdo/tools project, the test program,
mentioned above, fails with the following error:
java.lang.NoClassDefFoundError:
javax/xml/stream/XMLStreamException
I was able to fix the problem by copying the stax dependency from the
sdo/impl pom.xml file and adding it to the pom.xml in the sdo/tools
project, but this seems a bit ridiculous, since as I mentioned above, the
use of stax is really only in the sdo/impl project.
Can anybody see what the problem might be, or suggest how to fix this?
Thanks in advance,
Frank.
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