diagnose stuck test

Signed-off-by: Håvard Ottestad <hmottestad@gmail.com>

core/sail/memory/src/main/java/org/eclipse/rdf4j/sail/memory/model/MemIRI.java

@@ -78,6 +78,9 @@ public MemIRI(Object creator, String namespace, String localName) {
 		this.localName = localName;
 		assert namespace != null;
 		assert localName != null;
+		if (namespace == null || localName == null) {
+			System.out.println("HERE: " + namespace + " : " + localName);
+		}
 	}
 
 	/*---------*

core/sail/shacl/src/test/java/org/eclipse/rdf4j/sail/shacl/TransactionalIsolationSlowIT.java

@@ -34,9 +34,10 @@ public class TransactionalIsolationSlowIT {
 
 	@Test
 	public void testIsolation2_multithreaded_READ_COMMITTED() throws Throwable {
+		System.out.println("testIsolation2_multithreaded_READ_COMMITTED");
 
-		for (int i = 0; i < 1000; i++) {
-
+		for (int i = 0; i < 10000; i++) {
+			System.out.println(i);
 			ShaclSail shaclSail = new ShaclSail(new MemoryStore());
 
 			SailRepository sailRepository = new SailRepository(shaclSail);
@@ -172,9 +173,9 @@ public void testIsolation2_multithreaded_READ_COMMITTED() throws Throwable {
 
 	@Test
 	public void testIsolation2_multithreaded_SNAPSHOT() throws Throwable {
-
-		for (int i = 0; i < 1000; i++) {
-
+		System.out.println("testIsolation2_multithreaded_SNAPSHOT");
+		for (int i = 0; i < 10000; i++) {
+			System.out.println(i);
 			ShaclSail shaclSail = new ShaclSail(new MemoryStore());
 
 			SailRepository sailRepository = new SailRepository(shaclSail);