diff --git a/packages/fcl-web/fpmake.pp b/packages/fcl-web/fpmake.pp
index c63ab58ce0..94cba5edcf 100644
--- a/packages/fcl-web/fpmake.pp
+++ b/packages/fcl-web/fpmake.pp
@@ -302,8 +302,9 @@ begin
       AddUnit('httpdefs');
       AddUnit('fpextjs');
       end;
-    T:=P.Targets.AddUnit('fpjsonrpc.pp');
+    T:=P.Targets.AddUnit('fprpcstrings.pp');
     T.ResourceStrings:=true;
+    T:=P.Targets.AddUnit('fpjsonrpc.pp');
     T:=P.Targets.AddUnit('webjsonrpc.pp');
     With T.Dependencies do
       begin
@@ -314,9 +315,7 @@ begin
       begin
       AddUnit('fpjsonrpc');
       end;
-//    T.ResourceStrings:=true;
     T:=P.Targets.AddUnit('fprpcclient.pp');
-    T.ResourceStrings:=true;
     T:=P.Targets.AddUnit('fprpccodegen.pp');
     T:=P.Targets.AddUnit('fpdispextdirect.pp');
     With T.Dependencies do
@@ -324,7 +323,6 @@ begin
       AddUnit('fpjsonrpc');
       end;
     T:=P.Targets.AddUnit('fpextdirect.pp');
-    T.ResourceStrings:=true;
     With T.Dependencies do
       begin
       AddUnit('fpdispextdirect');
diff --git a/packages/fcl-web/src/jsonrpc/fpextdirect.pp b/packages/fcl-web/src/jsonrpc/fpextdirect.pp
index f1b96d73c1..805af36879 100644
--- a/packages/fcl-web/src/jsonrpc/fpextdirect.pp
+++ b/packages/fcl-web/src/jsonrpc/fpextdirect.pp
@@ -120,12 +120,10 @@ Type
 
 implementation
 
-{$ifdef extdebug}
-uses dbugintf;
-{$endif}
 
-Resourcestring
-  SErrInvalidPath = 'Invalid path';
+uses {$ifdef extdebug}dbugintf,{$endif} fprpcstrings;
+
+
 
 { TCustomExtDirectDispatcher }
 
diff --git a/packages/fcl-web/src/jsonrpc/fpjsonrpc.pp b/packages/fcl-web/src/jsonrpc/fpjsonrpc.pp
index 74c608c4f7..527140c98d 100644
--- a/packages/fcl-web/src/jsonrpc/fpjsonrpc.pp
+++ b/packages/fcl-web/src/jsonrpc/fpjsonrpc.pp
@@ -446,47 +446,10 @@ Const
   EJSONRPCInvalidParams  = -32602;
   EJSONRPCInternalError  = -32603;
 
-
-resourcestring
-  SErrDuplicateParam  = 'Duplicate JSON-RPC Parameter name';
-  SErrUnknownParamDef = 'Unknown parameter definition: "%s"';
-  SErrParams = 'Error checking JSON-RPC parameters: "%s"';
-  SErrParamsMustBeArrayorObject = 'Parameters must be passed in an object or an array.';
-  SErrParamsMustBeObject = 'Parameters must be passed in an object.';
-  SErrParamsMustBeArray  = 'Parameters must be passed in an array.';
-  SErrParamsRequiredParamNotFound = 'Required parameter "%s" not found.';
-  SErrParamsDataTypeMismatch = 'Expected parameter "%s" having type "%s", got "%s".';
-  SErrParamsNotAllowd = 'Parameter "%s" is not allowed.';
-  SErrParamsOnlyObjectsInArray = 'Array elements must be objects, got %s at position %d.';
-  SErrRequestMustBeObject = 'JSON-RPC Request must be an object.';
-  SErrNoIDProperty = 'No "id" property found in request.';
-  SErrInvalidIDProperty = 'Type of "id" property is not correct.';
-  SErrNoJSONRPCProperty = 'No "jsonrpc" property in request.';
-  SErrInvalidJSONRPCProperty = 'Type or value of "jsonrpc" property is not correct.';
-  SErrNoMethodName = 'Cannot determine method: No "%s" property found in request.';
-  SErrNoClassName  = 'Cannot determine class: No "%s" property found in request.';
-  SErrNoParams = 'Cannot determine parameters: No "%s" property found in request.';
-  SErrInvalidMethodType = 'Type of "%s" property in request is not correct.';
-  SErrInvalidClassNameType = 'Type of "%s" property in request is not correct.';
-  SErrJSON2NotAllowed = 'JSON RPC 2 calls are not allowed.';
-  SErrJSON1NotAllowed = 'JSON RPC 1 calls are not allowed.';
-  SErrNoResponse = 'No response received from non-notification method "%s".';
-  SErrResponseFromNotification = 'A response was received from a notification method "%s".';
-  SErrInvalidMethodName = 'No method "%s" was found.';
-  SErrInvalidClassMethodName = 'No class "%s" with method "%s" was found.';
-  SErrDuplicateJSONRPCClassHandlerName = 'Duplicate JSON-RPC handler for class "%s" with method "%s".';
-  SErrDuplicateJSONRPCHandlerName = 'Duplicate JSON-RPC handler for method "%s".';
-  SErrUnknownJSONRPCClassMethodHandler = 'Unknown JSON-RPC handler for class "%s", method "%s".';
-  SErrUnknownJSONRPCMethodHandler = 'Unknown JSON-RPC handler for method "%s".';
-  SErrDuplicateRPCCLassMethodHandler = 'Duplicate JSON-RPC handler for class "%s", method "%s".';
-  SErrDuplicateRPCMethodHandler = 'Duplicate JSON-RPC handler for method "%s".';
-  SErrNoDispatcher = 'No method dispatcher available to handle request.';
-
-
 implementation
 
 
-uses {$IFDEF WMDEBUG}dbugintf, {$ENDIF} fprpccodegen;
+uses {$IFDEF WMDEBUG}dbugintf, {$ENDIF} fprpccodegen, fprpcstrings;
 
 function CreateJSONErrorObject(const AMessage: String; const ACode: Integer
   ): TJSONObject;
diff --git a/packages/fcl-web/src/jsonrpc/fprpcclient.pp b/packages/fcl-web/src/jsonrpc/fprpcclient.pp
index 6cdd4a36f5..909e6c3677 100644
--- a/packages/fcl-web/src/jsonrpc/fprpcclient.pp
+++ b/packages/fcl-web/src/jsonrpc/fprpcclient.pp
@@ -123,14 +123,10 @@ Type
 
 Function RPCServiceRegistry : TFPRPCServiceRegistry;
 
-Resourcestring
-  SErrUnknownServiceName = 'Unknown service name : "%s"';
-  SErrUnknownServiceGUID = 'Unknown service GUID : "%s"';
-  SErrSupportedServiceName = 'Interface does not support service: "%s"';
-  SErrExpectedReturnButNoServerReturn = 'Method "%s" expects return values, but no result was returned';
-
 implementation
 
+uses fprpcstrings;
+
 function IsGUIDEqual(const guid1, guid2: tguid): boolean;
   begin
     IsGUIDEqual:=
@@ -480,10 +476,10 @@ begin
   Req:=aClient.CreateRequest;
   try
     S:=aRequest.AsJSON;
-    Writeln('Request : ',S);
+    // Writeln('Request : ',S);
     Req.Content.WriteBuffer(S[1],Length(S));
     Resp:=aClient.ExecuteRequest('POST',FBaseURL,Req);
-    Writeln('Response : ',Resp.GetContentAsString);
+    // Writeln('Response : ',Resp.GetContentAsString);
     // For notification methods, there is no return !
     if (resp.Content.Size>0) then
       begin
@@ -494,7 +490,7 @@ begin
       else
         begin
         Res.Free;
-        Raise ERPCClient.Create('Invalid server response');
+        Raise ERPCClient.Create(SErrInvalidServerResponse);
         end;
       end;
   finally
diff --git a/packages/fcl-web/src/jsonrpc/fprpcrtti.pp b/packages/fcl-web/src/jsonrpc/fprpcrtti.pp
index 56336a3609..47740979d4 100644
--- a/packages/fcl-web/src/jsonrpc/fprpcrtti.pp
+++ b/packages/fcl-web/src/jsonrpc/fprpcrtti.pp
@@ -86,7 +86,7 @@ function RTTIJSONRPCRegistry : TRTTIJSONRPCRegistry;
 
 implementation
 
-uses fpjsonvalue;
+uses fprpcstrings, fpjsonvalue;
 
 function RTTIJSONRPCRegistry : TRTTIJSONRPCRegistry;
 
@@ -194,7 +194,7 @@ begin
   TRTTIJSONRPCRegistry.Instance.Get(FRPCClassName,FIntfType,FCreator);
   FMethod:=FIntfType.GetMethod(aMethodName);
   if FMethod=Nil then
-    Raise EJSONRPC.CreateFmt('unknown method name for class %s: %s',[aClassName,aMethodName]);
+    raise EJSONRPC.CreateFmt(SErrUnknownMethodForClass, [aClassName, aMethodName]);
 end;
 
 class function TRTTIJSONRPCHandler.ValueToJSON(const aValue: TValue; aType: TRttiType): TJSONData;
@@ -253,7 +253,7 @@ begin
   if (Intf.QueryInterface(IRPCCallContext,CC)=S_OK) then
     CC.RPCCallContext:=aContext;
   if Intf.QueryInterface(FIntfType.GUID,APIIntf)<>S_OK then
-    Raise EJSONRPC.CreateFmt('Creator does not support interface %s',[FIntfType.Name]);
+    raise EJSONRPC.CreateFmt(SErrCreatorDoesNotSupportInterface, [FIntfType.Name]);
   TValue.Make(@APIIntf, PTypeInfo(FIntfType.Handle), instance);
 
   res := method.Invoke(instance, args);
diff --git a/packages/fcl-web/src/jsonrpc/fprpcstrings.pp b/packages/fcl-web/src/jsonrpc/fprpcstrings.pp
new file mode 100644
index 0000000000..e0c1c62f8c
--- /dev/null
+++ b/packages/fcl-web/src/jsonrpc/fprpcstrings.pp
@@ -0,0 +1,53 @@
+unit fprpcstrings;
+
+{$mode ObjFPC}{$H+}
+
+interface
+
+Resourcestring
+  SErrInvalidPath = 'Invalid path';
+  SErrUnknownServiceName = 'Unknown service name : "%s"';
+  SErrUnknownServiceGUID = 'Unknown service GUID : "%s"';
+  SErrSupportedServiceName = 'Interface does not support service: "%s"';
+  SErrExpectedReturnButNoServerReturn = 'Method "%s" expects return values, but no result was returned';
+  SErrInvalidServerResponse = 'Invalid server response';
+  SErrDuplicateParam  = 'Duplicate JSON-RPC Parameter name';
+  SErrUnknownParamDef = 'Unknown parameter definition: "%s"';
+  SErrParams = 'Error checking JSON-RPC parameters: "%s"';
+  SErrParamsMustBeArrayorObject = 'Parameters must be passed in an object or an array.';
+  SErrParamsMustBeObject = 'Parameters must be passed in an object.';
+  SErrParamsMustBeArray  = 'Parameters must be passed in an array.';
+  SErrParamsRequiredParamNotFound = 'Required parameter "%s" not found.';
+  SErrParamsDataTypeMismatch = 'Expected parameter "%s" having type "%s", got "%s".';
+  SErrParamsNotAllowd = 'Parameter "%s" is not allowed.';
+  SErrParamsOnlyObjectsInArray = 'Array elements must be objects, got %s at position %d.';
+  SErrRequestMustBeObject = 'JSON-RPC Request must be an object.';
+  SErrNoIDProperty = 'No "id" property found in request.';
+  SErrInvalidIDProperty = 'Type of "id" property is not correct.';
+  SErrNoJSONRPCProperty = 'No "jsonrpc" property in request.';
+  SErrInvalidJSONRPCProperty = 'Type or value of "jsonrpc" property is not correct.';
+  SErrNoMethodName = 'Cannot determine method: No "%s" property found in request.';
+  SErrNoClassName  = 'Cannot determine class: No "%s" property found in request.';
+  SErrNoParams = 'Cannot determine parameters: No "%s" property found in request.';
+  SErrInvalidMethodType = 'Type of "%s" property in request is not correct.';
+  SErrInvalidClassNameType = 'Type of "%s" property in request is not correct.';
+  SErrJSON2NotAllowed = 'JSON RPC 2 calls are not allowed.';
+  SErrJSON1NotAllowed = 'JSON RPC 1 calls are not allowed.';
+  SErrNoResponse = 'No response received from non-notification method "%s".';
+  SErrResponseFromNotification = 'A response was received from a notification method "%s".';
+  SErrInvalidMethodName = 'No method "%s" was found.';
+  SErrInvalidClassMethodName = 'No class "%s" with method "%s" was found.';
+  SErrDuplicateJSONRPCClassHandlerName = 'Duplicate JSON-RPC handler for class "%s" with method "%s".';
+  SErrDuplicateJSONRPCHandlerName = 'Duplicate JSON-RPC handler for method "%s".';
+  SErrUnknownJSONRPCClassMethodHandler = 'Unknown JSON-RPC handler for class "%s", method "%s".';
+  SErrUnknownJSONRPCMethodHandler = 'Unknown JSON-RPC handler for method "%s".';
+  SErrDuplicateRPCCLassMethodHandler = 'Duplicate JSON-RPC handler for class "%s", method "%s".';
+  SErrDuplicateRPCMethodHandler = 'Duplicate JSON-RPC handler for method "%s".';
+  SErrNoDispatcher = 'No method dispatcher available to handle request.';
+  SErrUnknownMethodForClass = 'unknown method name for class %s: %s';
+  SErrCreatorDoesNotSupportInterface = 'Creator does not support interface %s';
+
+implementation
+
+end.
+
diff --git a/packages/fcl-web/src/jsonrpc/webjsonrpc.pp b/packages/fcl-web/src/jsonrpc/webjsonrpc.pp
index 1b30d27993..8647bb2e6f 100644
--- a/packages/fcl-web/src/jsonrpc/webjsonrpc.pp
+++ b/packages/fcl-web/src/jsonrpc/webjsonrpc.pp
@@ -147,9 +147,9 @@ type
 
 implementation
 
-{$ifdef debugjsonrpc}
-uses dbugintf;
-{$endif}
+
+uses {$ifdef debugjsonrpc}dbugintf,{$endif} fprpcstrings;
+
 
 Const
   SApplicationJSON = 'application/json';