Merge pull request #380 from geneontology/issue-378

Close output streams when dumping files.

minerva-core/src/main/java/org/geneontology/minerva/BlazegraphMolecularModelManager.java

@@ -833,8 +833,8 @@ public void dumpStoredModel(IRI modelId, File folder) throws IOException {
 			tempFile = File.createTempFile(prefix, ".ttl");
 			try {
 				BigdataSailRepositoryConnection connection = repo.getReadOnlyConnection();
+				OutputStream out = new FileOutputStream(tempFile);
 				try {
-					OutputStream out = new FileOutputStream(tempFile);
 					// Workaround for order dependence of RDF reading by OWL API
 					// Need to output ontology triple first until this bug is fixed:
 					// https://github.com/owlcs/owlapi/issues/574
@@ -847,6 +847,7 @@ public void dumpStoredModel(IRI modelId, File folder) throws IOException {
 					// copy temp file to the finalFile
 					FileUtils.copyFile(tempFile, targetFile);
 				}  finally {
+					out.close();
 					connection.close();
 				}
 			} catch (RepositoryException e) {