ARTEMIS-1333 fixing test, cannot flush itself from Runnable

artemis-commons/src/main/java/org/apache/activemq/artemis/utils/actors/ProcessorBase.java

@@ -91,6 +91,11 @@ public abstract class ProcessorBase<T> {
       long timeLimit = System.currentTimeMillis() + unit.toMillis(timeout);
       try {
          while (stateUpdater.get(this) == STATE_RUNNING && timeLimit > System.currentTimeMillis()) {
+
+            if (tasks.isEmpty()) {
+               return true;
+            }
+
             Thread.sleep(10);
          }
       } catch (InterruptedException e) {

artemis-server/src/main/java/org/apache/activemq/artemis/core/protocol/core/ServerSessionPacketHandler.java

@@ -19,6 +19,7 @@ package org.apache.activemq.artemis.core.protocol.core;
 import javax.transaction.xa.XAResource;
 import javax.transaction.xa.Xid;
 import java.util.List;
+import java.util.concurrent.atomic.AtomicBoolean;
 
 import org.apache.activemq.artemis.api.core.ActiveMQException;
 import org.apache.activemq.artemis.api.core.ActiveMQExceptionType;
@@ -158,6 +159,8 @@ public class ServerSessionPacketHandler implements ChannelHandler {
 
    private final boolean direct;
 
+   private static final ThreadLocal<AtomicBoolean> inHandler = ThreadLocal.withInitial(AtomicBoolean::new);
+
    public ServerSessionPacketHandler(final ActiveMQServer server,
                                      final CoreProtocolManager manager,
                                      final ServerSession session,
@@ -225,9 +228,11 @@ public class ServerSessionPacketHandler implements ChannelHandler {
    }
 
    public void flushExecutor() {
+      if (!inHandler.get().get()) {
          packetActor.flush();
          callExecutor.flush();
       }
+   }
 
    public void close() {
       flushExecutor();
@@ -256,6 +261,8 @@ public class ServerSessionPacketHandler implements ChannelHandler {
       if (logger.isTraceEnabled()) {
          logger.trace("ServerSessionPacketHandler::handlePacket," + packet);
       }
+      inHandler.get().set(true);
+      try {
          final byte type = packet.getType();
          switch (type) {
             case SESS_SEND: {
@@ -279,6 +286,9 @@ public class ServerSessionPacketHandler implements ChannelHandler {
                slowPacketHandler(packet);
                break;
          }
+      } finally {
+         inHandler.get().set(false);
+      }
    }
 
    // This is being separated from onMessagePacket as JIT was more efficient with a small method for the

artemis-server/src/main/java/org/apache/activemq/artemis/core/protocol/core/impl/CoreSessionCallback.java

@@ -65,7 +65,7 @@ public final class CoreSessionCallback implements SessionCallback {
    @Override
    public void close(boolean failed) {
       ServerSessionPacketHandler localHandler = handler;
-      if (failed && localHandler != null) {
+      if (localHandler != null) {
          // We wait any pending tasks before we make this as closed
          localHandler.flushExecutor();
       }

tests/integration-tests/src/test/java/org/apache/activemq/artemis/tests/integration/management/ActiveMQServerControlUsingCoreTest.java

@@ -47,6 +47,15 @@ public class ActiveMQServerControlUsingCoreTest extends ActiveMQServerControlTes
    public void testScaleDownWithConnector() throws Exception {
    }
 
+
+   // it doesn't make sense through the core
+   // the pool will be shutdown while a connection is being used
+   // makes no sense!
+   @Override
+   public void testForceFailover() throws Exception {
+   }
+
+
    @Override
    protected ActiveMQServerControl createManagementControl() throws Exception {
       return new ActiveMQServerControl() {