ARTEMIS-127 Fix Array.toString(), nonatomic update on volatiles

tests/activemq5-unit-tests/src/test/java/org/apache/activemq/broker/policy/AbortSlowConsumer1Test.java

@@ -82,7 +82,7 @@ public class AbortSlowConsumer1Test extends AbortSlowConsumerBase {
         consumer.close();
 
         TimeUnit.SECONDS.sleep(5);
-        assertTrue("no exceptions : " + exceptions.toArray(), exceptions.isEmpty());
+        assertTrue("no exceptions : " + exceptions, exceptions.isEmpty());
     }
 
     @Test(timeout = 60 * 1000)
@@ -99,6 +99,6 @@ public class AbortSlowConsumer1Test extends AbortSlowConsumerBase {
         conn.close();
 
         TimeUnit.SECONDS.sleep(5);
-        assertTrue("no exceptions : " + exceptions.toArray(), exceptions.isEmpty());
+        assertTrue("no exceptions : " + exceptions, exceptions.isEmpty());
     }
 }

tests/activemq5-unit-tests/src/test/java/org/apache/activemq/bugs/AMQ2149Test.java

@@ -30,6 +30,7 @@ import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
+import java.util.concurrent.atomic.AtomicLong;
 
 import javax.jms.*;
 
@@ -156,7 +157,7 @@ public class AMQ2149Test {
 
         private final MessageConsumer messageConsumer;
 
-        private volatile long nextExpectedSeqNum = 0;
+        private AtomicLong nextExpectedSeqNum = new AtomicLong();
 
         private final boolean transactional;
 
@@ -184,7 +185,7 @@ public class AMQ2149Test {
         }
 
         public long getNextExpectedSeqNo() {
-            return nextExpectedSeqNum;
+            return nextExpectedSeqNum.get();
         }
 
         final int TRANSACITON_BATCH = 500;
@@ -202,15 +203,16 @@ public class AMQ2149Test {
                 }
                 if (resumeOnNextOrPreviousIsOk) {
                     // after an indoubt commit we need to accept what we get (within reason)
-                    if (seqNum != nextExpectedSeqNum) {
+                    if (seqNum != nextExpectedSeqNum.get()) {
-                        if (seqNum == nextExpectedSeqNum - (TRANSACITON_BATCH -1)) {
+                        final long l = nextExpectedSeqNum.get();
-                            nextExpectedSeqNum -= (TRANSACITON_BATCH -1);
+                        if (seqNum == l - (TRANSACITON_BATCH -1)) {
+                            nextExpectedSeqNum.compareAndSet(l, l - (TRANSACITON_BATCH -1) );
                             LOG.info("In doubt commit failed, getting replay at:" +  nextExpectedSeqNum);
                         }
                     }
                     resumeOnNextOrPreviousIsOk = false;
                 }
-                if (seqNum != nextExpectedSeqNum) {
+                if (seqNum != nextExpectedSeqNum.get()) {
                     LOG.warn(dest + " received " + seqNum
                             + " in msg: " + message.getJMSMessageID()
                             + " expected "
@@ -220,7 +222,7 @@ public class AMQ2149Test {
                     fail(dest + " received " + seqNum + " expected "
                             + nextExpectedSeqNum);
                 }
-                ++nextExpectedSeqNum;
+                nextExpectedSeqNum.incrementAndGet();
                 lastId = message.getJMSMessageID();
             } catch (TransactionRolledBackException expectedSometimesOnFailoverRecovery) {
                 LOG.info("got rollback: " + expectedSometimesOnFailoverRecovery);
@@ -228,12 +230,12 @@ public class AMQ2149Test {
                     // in doubt - either commit command or reply missing
                     // don't know if we will get a replay
                     resumeOnNextOrPreviousIsOk = true;
-                    nextExpectedSeqNum++;
+                    nextExpectedSeqNum.incrementAndGet();
                     LOG.info("in doubt transaction completion: ok to get next or previous batch. next:" + nextExpectedSeqNum);
                 } else {
                     resumeOnNextOrPreviousIsOk = false;
                     // batch will be replayed
-                    nextExpectedSeqNum -= (TRANSACITON_BATCH -1);
+                    nextExpectedSeqNum.addAndGet(-(TRANSACITON_BATCH - 1));
                 }
 
             } catch (Throwable e) {
@@ -255,6 +257,7 @@ public class AMQ2149Test {
         private final MessageProducer messageProducer;
 
         private volatile long nextSequenceNumber = 0;
+        private final Object guard = new Object();
 
         public Sender(javax.jms.Destination dest) throws JMSException {
             this.dest = dest;
@@ -269,14 +272,23 @@ public class AMQ2149Test {
 
         public void run() {
             final String longString = buildLongString();
+            long nextSequenceNumber = this.nextSequenceNumber;
             while (nextSequenceNumber < numtoSend) {
                 try {
                     final Message message = session
                             .createTextMessage(longString);
                     message.setLongProperty(SEQ_NUM_PROPERTY,
                             nextSequenceNumber);
-                    ++nextSequenceNumber;
+                    synchronized (guard)
-                    messageProducer.send(message);
+                    {
+                        if (nextSequenceNumber == this.nextSequenceNumber)
+                        {
+                            this.nextSequenceNumber = nextSequenceNumber + 1;
+                            messageProducer.send(message);
+                        } else {
+                            continue;
+                        }
+                    }
 
                     if ((nextSequenceNumber % 500) == 0) {
                         LOG.info(dest + " sent " + nextSequenceNumber);

tests/activemq5-unit-tests/src/test/java/org/apache/activemq/bugs/AMQ3779Test.java

@@ -47,7 +47,7 @@ public class AMQ3779Test extends AutoFailTestSupport {
                 }
             }
         };
-        logger.getRootLogger().addAppender(appender);
+        Logger.getRootLogger().addAppender(appender);
 
         try {
 

tests/activemq5-unit-tests/src/test/java/org/apache/activemq/command/ActiveMQTextMessageTest.java

@@ -49,7 +49,7 @@ public class ActiveMQTextMessageTest extends TestCase {
         String string = "str";
         msg.setText(string);
         Message copy = msg.copy();
-        assertTrue(msg.getText() == ((ActiveMQTextMessage) copy).getText());
+        assertSame(msg.getText(), ((ActiveMQTextMessage) copy).getText());
     }
 
     public void testSetText() {

tests/activemq5-unit-tests/src/test/java/org/apache/activemq/store/kahadb/KahaDBFastEnqueueTest.java

@@ -238,8 +238,8 @@ public class KahaDBFastEnqueueTest {
     public void testRollover() throws Exception {
         byte flip = 0x1;
         for (long i=0; i<Short.MAX_VALUE; i++) {
-            assertEquals("0 @:" + i, 0, flip ^= 1);
+            assertEquals("0 @:" + i, 0, flip ^= (byte) 1);
-            assertEquals("1 @:" + i, 1, flip ^= 1);
+            assertEquals("1 @:" + i, 1, flip ^= (byte) 1);
         }
     }
 }

tests/activemq5-unit-tests/src/test/java/org/apache/activemq/store/kahadb/plist/PListTest.java

@@ -22,11 +22,7 @@ import static org.junit.Assert.assertTrue;
 
 import java.io.File;
 import java.io.IOException;
-import java.util.HashMap;
+import java.util.*;
-import java.util.Iterator;
-import java.util.LinkedHashMap;
-import java.util.Map;
-import java.util.Vector;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
@@ -46,7 +42,7 @@ public class PListTest {
     private PListStoreImpl store;
     private PListImpl plist;
     final ByteSequence payload = new ByteSequence(new byte[400]);
-    final String idSeed = new String("Seed" + new byte[1024]);
+    final String idSeed = new String("Seed" + Arrays.toString(new byte[1024]));
     final Vector<Throwable> exceptions = new Vector<Throwable>();
     ExecutorService executor;
 

tests/activemq5-unit-tests/src/test/java/org/apache/activemq/transport/StubTransport.java

@@ -19,6 +19,7 @@ package org.apache.activemq.transport;
 import java.io.IOException;
 import java.util.Queue;
 import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.atomic.AtomicInteger;
 
 import org.apache.activemq.util.ServiceStopper;
 
@@ -29,7 +30,7 @@ import org.apache.activemq.util.ServiceStopper;
 public class StubTransport extends TransportSupport {
 
     private Queue<Object> queue = new ConcurrentLinkedQueue<Object>();
-    private volatile int receiveCounter;
+    private AtomicInteger receiveCounter;
 
     protected void doStop(ServiceStopper stopper) throws Exception {
     }
@@ -38,7 +39,7 @@ public class StubTransport extends TransportSupport {
     }
 
     public void oneway(Object command) throws IOException {
-        receiveCounter++;
+        receiveCounter.incrementAndGet();
         queue.add(command);
     }
 
@@ -51,7 +52,7 @@ public class StubTransport extends TransportSupport {
     }
 
     public int getReceiveCounter() {
-        return receiveCounter;
+        return receiveCounter.get();
     }
 
 }

tests/activemq5-unit-tests/src/test/java/org/apache/activemq/usecases/DurableSubscriptionOffline4Test.java

@@ -30,6 +30,7 @@ import javax.jms.MessageConsumer;
 import javax.jms.MessageProducer;
 import javax.jms.Session;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
 
@@ -80,7 +81,7 @@ public class DurableSubscriptionOffline4Test extends DurableSubscriptionOfflineT
         MessageProducer producer = session.createProducer(null);
 
         final int toSend = 500;
-        final String payload = new byte[40*1024].toString();
+        final String payload = Arrays.toString(new byte[40 * 1024]);
         int sent = 0;
         for (int i = sent; i < toSend; i++) {
             Message message = session.createTextMessage(payload);

tests/activemq5-unit-tests/src/test/java/org/apache/activemq/usecases/MemoryLimitTest.java

@@ -168,7 +168,7 @@ public class MemoryLimitTest extends TestSupport {
         final ProducerThread producer = new ProducerThread(sess, sess.createQueue("STORE.1")) {
             @Override
             protected Message createMessage(int i) throws Exception {
-                return sess.createTextMessage(payload + "::" + i);
+                return sess.createTextMessage(Arrays.toString(payload) + "::" + i);
             }
         };
         producer.setMessageCount(1000);
@@ -176,7 +176,7 @@ public class MemoryLimitTest extends TestSupport {
         final ProducerThread producer2 = new ProducerThread(sess, sess.createQueue("STORE.2")) {
             @Override
             protected Message createMessage(int i) throws Exception {
-                return sess.createTextMessage(payload + "::" + i);
+                return sess.createTextMessage(Arrays.toString(payload) + "::" + i);
             }
         };
         producer2.setMessageCount(1000);