Hit by Rien:

java.util.ConcurrentModificationException
at java.util.LinkedHashMap
$LinkedHashIterator.nextEntry(LinkedHashMap.java:390)
at java.util.LinkedHashMap
$ValueIterator.next(LinkedHashMap.java:405)
at
com.avaje.ebeaninternal.server.querydefn.OrmQueryDetail.removeSecondaryQueries(OrmQueryDetail.java:
194)
at
com.avaje.ebeaninternal.server.querydefn.OrmQueryDetail.removeSecondaryQueries(OrmQueryDetail.java:
149)
at
com.avaje.ebeaninternal.server.querydefn.DefaultOrmQuery.removeQueryJoins(DefaultOrmQuery.java:
336)
at
com.avaje.ebeaninternal.server.loadcontext.DLoadContext.registerSecondaryQueries(DLoadContext.java:
137)
at
com.avaje.ebeaninternal.server.core.OrmQueryRequest.(OrmQueryRequest.java:
112)
at
com.avaje.ebeaninternal.server.core.DefaultServer.createQueryRequest(DefaultServer.java:
1142)
at
com.avaje.ebeaninternal.server.core.DefaultServer.findList(DefaultServer.java:
1389)
at
com.avaje.ebeaninternal.server.querydefn.DefaultOrmQuery.findList(DefaultOrmQuery.java:
896)