HHH-14725 Fix reset handling on BlobProxy

Author: dreab8

hibernate-core/src/main/java/org/hibernate/engine/jdbc/proxy/BlobProxy.java

@@ -70,8 +70,9 @@ private BlobProxy(InputStream stream, long length) {
 	}
 
 	private void setStreamMark() {
-		if ( binaryStream.getInputStream().markSupported() ) {
-			binaryStream.getInputStream().mark( markBytes );
+		final InputStream inputStream = binaryStream.getInputStream();
+		if ( inputStream != null && inputStream.markSupported() ) {
+			inputStream.mark( markBytes );
 			resetAllowed = true;
 		}
 		else {
@@ -92,12 +93,14 @@ public BinaryStream getUnderlyingStream() throws SQLException {
 	private void resetIfNeeded() throws SQLException {
 		try {
 			if ( needsReset ) {
-				if ( !resetAllowed ) {
+				final InputStream inputStream = binaryStream.getInputStream();
+				if ( !resetAllowed && inputStream != null) {
 					throw new SQLException( "Underlying stream does not allow reset" );
 				}
-
-				binaryStream.getInputStream().reset();
-				setStreamMark();
+				if ( inputStream != null ) {
+					inputStream.reset();
+					setStreamMark();
+				}
 			}
 		}
 		catch ( IOException ioe) {