diff --git a/components/data/data-services/org.wso2.micro.integrator.dataservices.core/src/main/java/org/wso2/micro/integrator/dataservices/core/odata/ODataServiceHandler.java b/components/data/data-services/org.wso2.micro.integrator.dataservices.core/src/main/java/org/wso2/micro/integrator/dataservices/core/odata/ODataServiceHandler.java
index ffb2732f15..4adcb58aa5 100644
--- a/components/data/data-services/org.wso2.micro.integrator.dataservices.core/src/main/java/org/wso2/micro/integrator/dataservices/core/odata/ODataServiceHandler.java
+++ b/components/data/data-services/org.wso2.micro.integrator.dataservices.core/src/main/java/org/wso2/micro/integrator/dataservices/core/odata/ODataServiceHandler.java
@@ -219,6 +219,10 @@ public HttpSession getSession(boolean b) {
 
             @Override
             public HttpSession getSession() {
+                HttpSession oldSession = getSession(false);
+                if (oldSession != null) {
+                    oldSession.invalidate();
+                }
                 return req.getSession();
             }
 
diff --git a/components/data/data-services/org.wso2.micro.integrator.dataservices.core/src/main/java/org/wso2/micro/integrator/dataservices/core/odata/RDBMSDataHandler.java b/components/data/data-services/org.wso2.micro.integrator.dataservices.core/src/main/java/org/wso2/micro/integrator/dataservices/core/odata/RDBMSDataHandler.java
index 74fadea5fd..43dbc06c72 100644
--- a/components/data/data-services/org.wso2.micro.integrator.dataservices.core/src/main/java/org/wso2/micro/integrator/dataservices/core/odata/RDBMSDataHandler.java
+++ b/components/data/data-services/org.wso2.micro.integrator.dataservices.core/src/main/java/org/wso2/micro/integrator/dataservices/core/odata/RDBMSDataHandler.java
@@ -34,6 +34,7 @@
 import java.io.BufferedReader;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
+import java.io.IOException;
 import java.io.InputStream;
 import java.io.StringReader;
 import java.math.BigDecimal;
@@ -831,8 +832,11 @@ private void bindValuesToPreparedStatement(int type, String value, int ordinalPo
                     if (value == null) {
                         sqlStatement.setNull(ordinalPosition, type);
                     } else {
-                        sqlStatement.setClob(ordinalPosition, new BufferedReader(new StringReader(value)),
-                                             value.length());
+                        try (BufferedReader reader = new BufferedReader(new StringReader(value))) {
+                            sqlStatement.setClob(ordinalPosition, reader, value.length());
+                        } catch (IOException e) {
+                            sqlStatement.setNull(ordinalPosition, type);
+                        }
                     }
                     break;
                 case Types.BOOLEAN:
@@ -911,8 +915,11 @@ private void bindValuesToPreparedStatement(int type, String value, int ordinalPo
                     if (value == null) {
                         sqlStatement.setNull(ordinalPosition, type);
                     } else {
-                        sqlStatement.setNClob(ordinalPosition, new BufferedReader(new StringReader(value)),
-                                              value.length());
+                        try (BufferedReader reader = new BufferedReader(new StringReader(value))) {
+                            sqlStatement.setNClob(ordinalPosition, reader, value.length());
+                        } catch (IOException e) {
+                            sqlStatement.setNull(ordinalPosition, type);
+                        }
                     }
                     break;
                 case Types.BIGINT:
diff --git a/components/mediation/inbound-endpoints/org.wso2.micro.integrator.inbound.endpoint/src/main/java/org/wso2/carbon/inbound/endpoint/protocol/websocket/ssl/SSLHandlerFactory.java b/components/mediation/inbound-endpoints/org.wso2.micro.integrator.inbound.endpoint/src/main/java/org/wso2/carbon/inbound/endpoint/protocol/websocket/ssl/SSLHandlerFactory.java
index 628c610aab..94d02c0653 100644
--- a/components/mediation/inbound-endpoints/org.wso2.micro.integrator.inbound.endpoint/src/main/java/org/wso2/carbon/inbound/endpoint/protocol/websocket/ssl/SSLHandlerFactory.java
+++ b/components/mediation/inbound-endpoints/org.wso2.micro.integrator.inbound.endpoint/src/main/java/org/wso2/carbon/inbound/endpoint/protocol/websocket/ssl/SSLHandlerFactory.java
@@ -40,7 +40,7 @@
 
 public class SSLHandlerFactory {
 
-    private static final String protocol = "TLS";
+    private static final String protocol = "TLSv1.2";
     private final SSLContext serverContext;
     private boolean needClientAuth;
     private String[] cipherSuites;
diff --git a/components/org.wso2.micro.integrator.core/src/main/java/org/wso2/micro/core/encryption/KeyStoreBasedExternalCryptoProvider.java b/components/org.wso2.micro.integrator.core/src/main/java/org/wso2/micro/core/encryption/KeyStoreBasedExternalCryptoProvider.java
index 701bbfcfea..bb4e50c055 100644
--- a/components/org.wso2.micro.integrator.core/src/main/java/org/wso2/micro/core/encryption/KeyStoreBasedExternalCryptoProvider.java
+++ b/components/org.wso2.micro.integrator.core/src/main/java/org/wso2/micro/core/encryption/KeyStoreBasedExternalCryptoProvider.java
@@ -562,8 +562,9 @@ private byte[] symmetricDecryptData(HybridEncryptionOutput hybridEncryptionOutpu
         }
         if ((hybridEncryptionOutput.getAuthData() != null) && (hybridEncryptionOutput.getAuthTag() != null)) {
             cipher.updateAAD(hybridEncryptionOutput.getAuthData());
-            return cipher.doFinal(concatByteArrays(
-                    new byte[][] { hybridEncryptionOutput.getCipherData(), hybridEncryptionOutput.getAuthTag() }));
+            byte[] encryptedDataWithTag = concatByteArrays(
+                    new byte[][] { hybridEncryptionOutput.getCipherData(), hybridEncryptionOutput.getAuthTag() });
+            return cipher.doFinal(encryptedDataWithTag);
         } else {
             return cipher.doFinal(hybridEncryptionOutput.getCipherData());
         }
diff --git a/components/org.wso2.micro.integrator.core/src/main/java/org/wso2/micro/core/transports/metering/MeteredServletRequest.java b/components/org.wso2.micro.integrator.core/src/main/java/org/wso2/micro/core/transports/metering/MeteredServletRequest.java
index 35467a7344..a1a24ea90d 100644
--- a/components/org.wso2.micro.integrator.core/src/main/java/org/wso2/micro/core/transports/metering/MeteredServletRequest.java
+++ b/components/org.wso2.micro.integrator.core/src/main/java/org/wso2/micro/core/transports/metering/MeteredServletRequest.java
@@ -123,6 +123,10 @@ public String getServletPath() {
 	}
 
 	public HttpSession getSession() {
+		HttpSession oldSession = getSession(false);
+		if (oldSession != null) {
+			oldSession.invalidate();
+		}
 	    return wrappedHttpServletRequest.getSession();
 	}