More test fixes

Signed-off-by: brian <brian@brutex.de>

cavis-nd4j/cavis-nd4j-aeron/src/main/java/org/nd4j/aeron/ipc/AeronNDArraySubscriber.java

@@ -51,7 +51,7 @@ public class AeronNDArraySubscriber implements AutoCloseable {
     // Create a context, needed for client connection to media driver
     // A separate media driver process need to run prior to running this application
     private Aeron.Context ctx;
-    private AtomicBoolean running = new AtomicBoolean(true);
+    private AtomicBoolean running;
     private final AtomicBoolean init = new AtomicBoolean(false);
 
     private NDArrayCallback ndArrayCallback;

cavis-nd4j/cavis-nd4j-aeron/src/test/java/org/nd4j/aeron/ipc/LargeNdArrayIpcTest.java

@@ -72,7 +72,8 @@ public class LargeNdArrayIpcTest extends BaseND4JTest {
         INDArray arr = Nd4j.ones(length);
         AeronNDArrayPublisher publisher;
         ctx = new Aeron.Context()
-                .driverTimeoutMs(10000).availableImageHandler(AeronUtil::printAvailableImage)
+                .driverTimeoutMs(10000)
+                .availableImageHandler(AeronUtil::printAvailableImage)
                 .unavailableImageHandler(AeronUtil::printUnavailableImage)
                 .aeronDirectoryName(mediaDriver.aeronDirectoryName())
                 .errorHandler(err -> err.printStackTrace());
@@ -82,8 +83,12 @@ public class LargeNdArrayIpcTest extends BaseND4JTest {
         int numSubscribers = 1;
         AeronNDArraySubscriber[] subscribers = new AeronNDArraySubscriber[numSubscribers];
         for (int i = 0; i < numSubscribers; i++) {
-            AeronNDArraySubscriber subscriber = AeronNDArraySubscriber.builder().streamId(streamId).ctx(getContext())
-                            .channel(channel).aeron(aeron).running(running).ndArrayCallback(new NDArrayCallback() {
+            AeronNDArraySubscriber subscriber = AeronNDArraySubscriber.builder()
+                    .streamId(streamId).ctx(getContext())
+                    .channel(channel)
+                    .aeron(aeron)
+                    .running(running)
+                    .ndArrayCallback(new NDArrayCallback() {
                                 /**
                                  * A listener for ndarray message
                                  *
@@ -110,7 +115,8 @@ public class LargeNdArrayIpcTest extends BaseND4JTest {
                 try {
                     subscriber.launch();
                 } catch (Exception e) {
-                    log.error("",e);
+                    System.out.println(e.getMessage());
+                    e.printStackTrace();
                 }
 
             });
@@ -122,17 +128,23 @@ public class LargeNdArrayIpcTest extends BaseND4JTest {
 
         Thread.sleep(1000);
 
-        publisher = AeronNDArrayPublisher.builder().publishRetryTimeOut(3000).streamId(streamId).channel(channel)
-                        .aeron(aeron).build();
+        publisher = AeronNDArrayPublisher.builder()
+                .publishRetryTimeOut(3000)
+                .streamId(streamId)
+                .channel(channel)
+                .aeron(aeron)
+                .build();
 
 
-        for (int i = 0; i < 1 && running.get(); i++) {
-            log.info("About to send array.");
+        for (int i = 0; i < 1; i++) {
+            System.out.println("About to send array.");
             publisher.publish(arr);
-            log.info("Sent array");
+            System.out.println("Sent array");
 
         }
 
+        Thread.sleep( 5000);
+
         for (int i = 0; i < numSubscribers; i++)
             CloseHelper.close(subscribers[i]);
         CloseHelper.close(aeron);

cavis-nd4j/cavis-nd4j-common/build.gradle

@@ -18,6 +18,7 @@
  *    *****************************************************************************
  *
  */
+apply from: "${project.rootProject.projectDir}/createTestBackends.gradle"
 
 dependencies {
     implementation "com.fasterxml.jackson.core:jackson-databind"
@@ -29,4 +30,5 @@ dependencies {
     implementation "org.apache.commons:commons-compress"
     implementation "commons-codec:commons-codec"
     testImplementation projects.cavisNd4j.cavisNd4jCommonTests
+    testRuntimeOnly "net.brutex.ai:dl4j-test-resources:1.0.1-SNAPSHOT"
 }

cavis-nd4j/cavis-nd4j-common/src/test/java/org/nd4j/common/io/ClassPathResourceTest.java

@@ -24,9 +24,11 @@ package org.nd4j.common.io;
 import org.apache.commons.io.FileUtils;
 import org.junit.jupiter.api.Test;
 
+import org.junit.jupiter.api.io.TempDir;
 import org.nd4j.common.io.ClassPathResource;
 
 import java.io.File;
+import java.nio.file.Path;
 import java.util.UUID;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
@@ -36,13 +38,12 @@ public class ClassPathResourceTest {
 
 
     @Test
-    public void testDirExtractingIntelliJ() throws Exception {
+    public void testDirExtractingIntelliJ(@TempDir Path tempDir) throws Exception {
         //https://github.com/deeplearning4j/deeplearning4j/issues/6483
 
         ClassPathResource cpr = new ClassPathResource("somedir");
 
-        File f = new File(FileUtils.getTempDirectoryPath()+File.separatorChar+ UUID.randomUUID().toString());
-        FileUtils.forceMkdir(f);
+        File f = tempDir.toFile();
         cpr.copyDirectory(f);
 
         File[] files = f.listFiles();

cavis-nd4j/cavis-nd4j-parameter-server/cavis-nd4j-parameter-server-core/src/main/java/org/nd4j/parameterserver/ParameterServerSubscriber.java

@@ -325,7 +325,7 @@ public class ParameterServerSubscriber implements AutoCloseable {
         int tries=0;
         while (!subscriber.launched() && tries<12) {
             tries++;
-            LockSupport.parkNanos(100000);
+            Thread.sleep(1000);
         }
         if(!subscriber.launched()) {
             throw new Exception("Subscriber did not start in time.");

nd4j/pom.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ /* ******************************************************************************
-  ~  *
+  ~
+  ~    ******************************************************************************
   ~    *
   ~    * This program and the accompanying materials are made available under the
   ~    * terms of the Apache License, Version 2.0 which is available at
@@ -16,7 +16,8 @@
   ~    * under the License.
   ~    *
   ~    * SPDX-License-Identifier: Apache-2.0
-  ~  ******************************************************************************/
+  ~    *****************************************************************************
+  ~
   -->
 
 <project xmlns="http://maven.apache.org/POM/4.0.0"