The sample dataset contains a named graph http://www.test.com/numbers
with 1'000'000 triples:
<http://www.test.com/1> rdf:type <http://www.test.com/number>
<http://www.test.com/2> rdf:type <http://www.test.com/number>
...
<http://www.test.com/1000000> rdf:type <http://www.test.com/number>
mvn clean compile
mvn exec:java -Dexec.mainClass="TransactionException"