Github user afs commented on the issue:
https://github.com/apache/jena/pull/476
Looks good. A Java 10.0.2 build `mvn clean install` gets passed `jena-jdbc`:
```
[ERROR] Failed to execute goal on project jena-elephas-common: Could not
resolve dependencies for project
org.apache.jena:jena-elephas-common:jar:3.10.0-SNAPSHOT: Could not find
artifact jdk.tools:jdk.tools:jar:1.6 at specified path
/usr/lib/jvm/java-11-openjdk-amd64/../lib/tools.jar -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e
switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions,
please read the following articles:
[ERROR] [Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/DependencyResolutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the
command
[ERROR] mvn <goals> -rf :jena-elephas-common
```
---