more logging

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

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

@@ -2,7 +2,9 @@
 
 import org.apache.commons.io.FileUtils;
 import org.assertj.core.util.Files;
+import org.eclipse.rdf4j.IsolationLevels;
 import org.eclipse.rdf4j.sail.NotifyingSail;
+import org.eclipse.rdf4j.sail.NotifyingSailConnection;
 import org.eclipse.rdf4j.sail.nativerdf.NativeStore;
 import org.junit.After;
 import org.junit.Before;
@@ -30,6 +32,12 @@ public void before() {
 
 	@Override
 	NotifyingSail getBaseSail() {
-		return new NativeStore(file);
+		NativeStore nativeStore = new NativeStore(file);
+		try (NotifyingSailConnection connection = nativeStore.getConnection()) {
+			connection.begin(IsolationLevels.NONE);
+			connection.clear();
+			connection.commit();
+		}
+		return nativeStore;
 	}
 }

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

@@ -50,6 +50,7 @@ public static void afterClass() {
 
 	@Test
 	public void testDataAndShapes() {
+		System.out.println("testDataAndShapes");
 
 		System.setProperty("org.eclipse.rdf4j.repository.debug", "true");
 		Properties.setLockTrackingEnabled(true);
@@ -323,6 +324,7 @@ private void remove(String turtle, IRI graph) {
 
 	@Test
 	public void testLotsOfValidationFailuresSnapshot() throws IOException {
+		System.out.println("testLotsOfValidationFailuresSnapshot");
 		ShaclSail sail = new ShaclSail(getBaseSail());
 
 		sail.setParallelValidation(true);
@@ -337,6 +339,7 @@ public void testLotsOfValidationFailuresSnapshot() throws IOException {
 
 	@Test
 	public void testLotsOfValidationFailuresSerializableValidation() throws IOException {
+		System.out.println("testLotsOfValidationFailuresSerializableValidation");
 		ShaclSail sail = new ShaclSail(getBaseSail());
 
 		sail.setParallelValidation(true);
@@ -351,20 +354,25 @@ public void testLotsOfValidationFailuresSerializableValidation() throws IOExcept
 
 	@Test
 	public void testLotsOfValidationFailuresSerializable() throws IOException {
-		ShaclSail sail = new ShaclSail(getBaseSail());
-
-		sail.setParallelValidation(true);
-		sail.setLogValidationPlans(false);
-		sail.setGlobalLogValidationExecution(false);
-		sail.setLogValidationViolations(false);
-		sail.setSerializableValidation(false);
-
-		runValidationFailuresTest(sail, IsolationLevels.SERIALIZABLE, 2000);
+		System.out.println("testLotsOfValidationFailuresSerializable");
+		for (int i = 0; i < 100; i++) {
+			System.out.println("i = " + i);
+			ShaclSail sail = new ShaclSail(getBaseSail());
+
+			sail.setParallelValidation(true);
+			sail.setLogValidationPlans(false);
+			sail.setGlobalLogValidationExecution(false);
+			sail.setLogValidationViolations(false);
+			sail.setSerializableValidation(false);
+
+			runValidationFailuresTest(sail, IsolationLevels.SERIALIZABLE, 500);
+		}
 
 	}
 
 	@Test
 	public void testLotsOfValidationFailuresReadCommitted() throws IOException {
+		System.out.println("testLotsOfValidationFailuresReadCommitted");
 		ShaclSail sail = new ShaclSail(getBaseSail());
 
 		sail.setParallelValidation(true);
@@ -379,6 +387,7 @@ public void testLotsOfValidationFailuresReadCommitted() throws IOException {
 
 	@Test
 	public void testLotsOfValidationFailuresReadUncommitted() throws IOException {
+		System.out.println("testLotsOfValidationFailuresReadUncommitted");
 		ShaclSail sail = new ShaclSail(getBaseSail());
 
 		sail.setParallelValidation(true);