GET on container fails with large amount of subcontainers

[GGoetzelmann]

GET request on container returns with an empty payload if it contains several 1000 subcontainers

Caused by: java.lang.ArrayIndexOutOfBoundsException: Index -726 out of bounds for length 4957
	at org.apache.jena.mem.HashedTripleBunch.grow(HashedTripleBunch.java:90)
	at org.apache.jena.mem.HashedTripleBunch.add(HashedTripleBunch.java:78)
	at org.apache.jena.mem.NodeToTriplesMapMem.add(NodeToTriplesMapMem.java:58)
	at org.apache.jena.mem.GraphTripleStoreBase.add(GraphTripleStoreBase.java:60)
	at org.apache.jena.mem.GraphMem.performAdd(GraphMem.java:37)
	at org.apache.jena.graph.impl.GraphBase.add(GraphBase.java:181)
	at org.apache.jena.sparql.core.DatasetGraphCollection.add(DatasetGraphCollection.java:46)
	at org.apache.jena.sparql.core.DatasetGraphBase.add(DatasetGraphBase.java:100)
	at org.apache.jena.sparql.core.GraphView.performAdd(GraphView.java:155)
	at org.apache.jena.graph.impl.GraphBase.add(GraphBase.java:181)
	at org.apache.commons.rdf.jena.impl.JenaGraphImpl.add(JenaGraphImpl.java:61)
	at edu.kit.scc.dem.wapsrv.model.rdf.RdfOutputContainer.lambda$getDataset$0(RdfOutputContainer.java:73)
	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
	at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:992)
	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)