diff --git a/httpclient5-testing/src/test/java/org/apache/hc/client5/testing/async/AbstractHttpAsyncRedirectsTest.java b/httpclient5-testing/src/test/java/org/apache/hc/client5/testing/async/AbstractHttpAsyncRedirectsTest.java
index 9f5e72252..a1673c417 100644
--- a/httpclient5-testing/src/test/java/org/apache/hc/client5/testing/async/AbstractHttpAsyncRedirectsTest.java
+++ b/httpclient5-testing/src/test/java/org/apache/hc/client5/testing/async/AbstractHttpAsyncRedirectsTest.java
@@ -687,7 +687,7 @@ public abstract class AbstractHttpAsyncRedirectsTest <T extends CloseableHttpAsy
         final HttpHost redirectTarget = start();
 
         final H2TestServer secondServer = new H2TestServer(IOReactorConfig.DEFAULT,
-                scheme == URIScheme.HTTPS ? SSLTestContexts.createServerSSLContext() : null);
+                scheme == URIScheme.HTTPS ? SSLTestContexts.createServerSSLContext() : null, null, null);
         try {
             secondServer.register("/redirect/*", new Supplier<AsyncServerExchangeHandler>() {
 
diff --git a/httpclient5-testing/src/test/java/org/apache/hc/client5/testing/async/AbstractServerTestBase.java b/httpclient5-testing/src/test/java/org/apache/hc/client5/testing/async/AbstractServerTestBase.java
index 98eea6b3b..49671bd06 100644
--- a/httpclient5-testing/src/test/java/org/apache/hc/client5/testing/async/AbstractServerTestBase.java
+++ b/httpclient5-testing/src/test/java/org/apache/hc/client5/testing/async/AbstractServerTestBase.java
@@ -64,7 +64,7 @@ public abstract class AbstractServerTestBase {
                     IOReactorConfig.custom()
                         .setSoTimeout(TIMEOUT)
                         .build(),
-                    scheme == URIScheme.HTTPS ? SSLTestContexts.createServerSSLContext() : null);
+                    scheme == URIScheme.HTTPS ? SSLTestContexts.createServerSSLContext() : null, null, null);
             server.register("/echo/*", new Supplier<AsyncServerExchangeHandler>() {
 
                 @Override
diff --git a/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/InternalH2AsyncExecRuntime.java b/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/InternalH2AsyncExecRuntime.java
index de9207539..65b7f67d5 100644
--- a/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/InternalH2AsyncExecRuntime.java
+++ b/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/InternalH2AsyncExecRuntime.java
@@ -149,7 +149,7 @@ class InternalH2AsyncExecRuntime implements AsyncExecRuntime {
     public boolean validateConnection() {
         if (reusable) {
             final Endpoint endpoint = sessionRef.get();
-            return endpoint != null && !endpoint.session.isClosed();
+            return endpoint != null && endpoint.session.isOpen();
         }
         final Endpoint endpoint = sessionRef.getAndSet(null);
         if (endpoint != null) {
@@ -161,7 +161,7 @@ class InternalH2AsyncExecRuntime implements AsyncExecRuntime {
     @Override
     public boolean isEndpointConnected() {
         final Endpoint endpoint = sessionRef.get();
-        return endpoint != null && !endpoint.session.isClosed();
+        return endpoint != null && endpoint.session.isOpen();
     }
 
 
@@ -178,7 +178,7 @@ class InternalH2AsyncExecRuntime implements AsyncExecRuntime {
             final HttpClientContext context,
             final FutureCallback<AsyncExecRuntime> callback) {
         final Endpoint endpoint = ensureValid();
-        if (!endpoint.session.isClosed()) {
+        if (endpoint.session.isOpen()) {
             callback.completed(this);
             return Operations.nonCancellable();
         }
@@ -227,7 +227,7 @@ class InternalH2AsyncExecRuntime implements AsyncExecRuntime {
         final ComplexCancellable complexCancellable = new ComplexCancellable();
         final Endpoint endpoint = ensureValid();
         final IOSession session = endpoint.session;
-        if (!session.isClosed()) {
+        if (session.isOpen()) {
             if (log.isDebugEnabled()) {
                 log.debug(ConnPoolSupport.getId(endpoint) + ": start execution " + id);
             }
diff --git a/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/LoggingIOSession.java b/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/LoggingIOSession.java
index ebf515bfc..9156915d3 100644
--- a/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/LoggingIOSession.java
+++ b/httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/LoggingIOSession.java
@@ -176,11 +176,6 @@ class LoggingIOSession implements ProtocolIOSession {
         return this.session.getStatus();
     }
 
-    @Override
-    public boolean isClosed() {
-        return this.session.isClosed();
-    }
-
     @Override
     public void close(final CloseMode closeMode) {
         if (this.log.isDebugEnabled()) {
diff --git a/httpclient5/src/main/java/org/apache/hc/client5/http/impl/nio/DefaultManagedAsyncClientConnection.java b/httpclient5/src/main/java/org/apache/hc/client5/http/impl/nio/DefaultManagedAsyncClientConnection.java
index e8836380d..a2bda688e 100644
--- a/httpclient5/src/main/java/org/apache/hc/client5/http/impl/nio/DefaultManagedAsyncClientConnection.java
+++ b/httpclient5/src/main/java/org/apache/hc/client5/http/impl/nio/DefaultManagedAsyncClientConnection.java
@@ -97,7 +97,7 @@ final class DefaultManagedAsyncClientConnection implements ManagedAsyncClientCon
 
     @Override
     public boolean isOpen() {
-        return !ioSession.isClosed();
+        return ioSession.isOpen();
     }
 
     @Override
diff --git a/pom.xml b/pom.xml
index 92d85d34e..9b55225fc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -67,7 +67,7 @@
   <properties>
     <maven.compiler.source>1.7</maven.compiler.source>
     <maven.compiler.target>1.7</maven.compiler.target>
-    <httpcore.version>5.0-beta9</httpcore.version>
+    <httpcore.version>5.0-beta10</httpcore.version>
     <log4j.version>2.9.1</log4j.version>
     <commons-codec.version>1.13</commons-codec.version>
     <conscrypt.version>1.4.1</conscrypt.version>