#4743: Fix deploy fail when com.sun.faces.clientStateTimeout is invalid

as well as explicitly disabling com.sun.faces.clientStateTimeout when
resolved value is negative

impl/src/main/java/com/sun/faces/renderkit/ClientSideStateHelper.java

@@ -21,6 +21,7 @@
 import static com.sun.faces.config.WebConfiguration.WebContextInitParameter.ClientStateTimeout;
 import static com.sun.faces.config.WebConfiguration.WebContextInitParameter.ClientStateWriteBufferSize;
 import static com.sun.faces.renderkit.RenderKitUtils.PredefinedPostbackParameter.VIEW_STATE_PARAM;
+import static java.util.logging.Level.WARNING;
 
 import java.io.BufferedOutputStream;
 import java.io.ByteArrayInputStream;
@@ -32,6 +33,7 @@
 import java.io.ObjectOutputStream;
 import java.io.OutputStream;
 import java.io.Writer;
+import java.util.Base64;
 import java.util.Map;
 import java.util.logging.Level;
 import java.util.logging.Logger;
@@ -48,7 +50,6 @@
 import com.sun.faces.util.DebugUtil;
 import com.sun.faces.util.FacesLogger;
 import com.sun.faces.util.Util;
-import java.util.Base64;
 
 /**
  * <p>
@@ -462,8 +463,16 @@ protected void init() {
             String timeout = webConfig.getOptionValue(ClientStateTimeout);
             try {
                 stateTimeout = Long.parseLong(timeout);
+
+                if (stateTimeout < 0) {
+                    stateTimeoutEnabled = false;
+                }
             } catch (NumberFormatException nfe) {
-                stateTimeout = Long.parseLong(ClientStateTimeout.getDefaultValue());
+                if (LOGGER.isLoggable(WARNING)) {
+                    LOGGER.log(WARNING, ClientStateTimeout.getQualifiedName() + " context param value of '" + timeout + "' is not parseable as Long, it will be ignored");
+                }
+
+                stateTimeoutEnabled = false;
             }
         }