test case is added to https://github.com/scottmarlow/jboss-as/tree/AS7-1461

See testsuite/integration/src/test/java/org/jboss/as/testsuite/integration/jpa/multiRow/InsertMultipleRowsTestCase.java

To reproduce, update standalone.xml (in as7/build/target/*):
<statement>
<prepared-statement-cache-size> 3 </prepared-statement-cache-size>
</statement>

cd as7/test/integration
mvn clean install -DallTests

See exception here http://pastebin.com/aKYsQsWX