# Remoting SDK **URL:** https://talk.remobjects.com/c/ro/4.md [Latest](https://talk.remobjects.com/latest.md) · [Categories](https://talk.remobjects.com/categories.md) · [Tags](https://talk.remobjects.com/tags.md) --- ## [Checking what the best way is to execute a DA command using LocalCommand](https://talk.remobjects.com/t/checking-what-the-best-way-is-to-execute-a-da-command-using-localcommand/34152)
**Author:** [@fvancrae](https://talk.remobjects.com/u/fvancrae)\ **Replies:** 1\ **Last updated:** [October 16, 2026, 9:03am UTC](https://talk.remobjects.com/t/checking-what-the-best-way-is-to-execute-a-da-command-using-localcommand/34152 "2026-10-16T09:03:30Z")
I just wrote some code to execute a command from a da schema from the server (in a service) I was surprised a bit I had to use IDbCommand.CreateParameter followed by a cmd.Parameters.Add(object) Is this the advised a… --- ## [Rodl2code generates invalid delphi code for .NET server & delphi client](https://talk.remobjects.com/t/rodl2code-generates-invalid-delphi-code-for-net-server-delphi-client/34138)
**Author:** [@fvancrae](https://talk.remobjects.com/u/fvancrae)\ **Replies:** 1\ **Last updated:** [October 14, 2026, 10:09am UTC](https://talk.remobjects.com/t/rodl2code-generates-invalid-delphi-code-for-net-server-delphi-client/34138 "2026-10-14T10:09:05Z")
The rodl2code tool (in my personal build 1628?) generates invalid delphi code again I use commandline “%RemObjectsTop%\\RemObjects SDK (Common)\\Bin”\\rodl2code PharmacyCloudService.remoteRODL --type:intf --platform:de… --- ## [Error rebuilding Remoting 10.0.0.1553 in Delphi 7](https://talk.remobjects.com/t/error-rebuilding-remoting-10-0-0-1553-in-delphi-7/34123)
**Author:** [@ron.sanmartino](https://talk.remobjects.com/u/ron.sanmartino)\ **Replies:** 2\ **Last updated:** [October 12, 2026, 7:14pm UTC](https://talk.remobjects.com/t/error-rebuilding-remoting-10-0-0-1553-in-delphi-7/34123 "2026-10-12T19:14:21Z")
Hi. I have a new install of Delphi 7 and Remoting 10.0.0.1553. I am trying to apply the fix for RODLReader declaration is private in uROServer.pas. When I try to compile RemObjects\_Core\_D7.bpl, I get an error because it … --- ## [(dns resolve related) Connection issues related to windows update of september 2026](https://talk.remobjects.com/t/dns-resolve-related-connection-issues-related-to-windows-update-of-september-2026/34046)
**Author:** [@fvancrae](https://talk.remobjects.com/u/fvancrae)\ **Replies:** 10\ **Last updated:** [October 9, 2026, 9:49am UTC](https://talk.remobjects.com/t/dns-resolve-related-connection-issues-related-to-windows-update-of-september-2026/34046 "2026-10-09T09:49:56Z")
We are seeing connection issues and crashes in our code. When analyzing the issue it looks like something related to DNS resolving in windows which fails sporadically for hostnames without domain (netbios?) There are 2… --- ## [SuperHTTP server stops responding to any client](https://talk.remobjects.com/t/superhttp-server-stops-responding-to-any-client/33951)
**Author:** [@obones](https://talk.remobjects.com/u/obones)\ **Replies:** 8\ **Last updated:** [October 9, 2026, 9:44am UTC](https://talk.remobjects.com/t/superhttp-server-stops-responding-to-any-client/33951 "2026-10-09T09:44:11Z")
Hello, I have a situation that occurs at some user’s locations more often than at others in which the server suddenly stops replying to any clients, thus leading to timeout exceptions. Here are the existing threads cal… --- ## [Exception: This service instance has not been activated yet](https://talk.remobjects.com/t/exception-this-service-instance-has-not-been-activated-yet/29065)
**Author:** [@fvancrae](https://talk.remobjects.com/u/fvancrae)\ **Replies:** 70\ **Last updated:** [October 2, 2026, 7:06am UTC](https://talk.remobjects.com/t/exception-this-service-instance-has-not-been-activated-yet/29065 "2026-10-02T07:06:26Z")
We very sporadically get this exception when calling DataAbstract GetData in our .NET RO/DA service (windows service). What could cause this? How can we fix this? Simply restarting the service fixes the issue. The ful… --- ## [How to prevent rare cases where RO HTTPS call hangs](https://talk.remobjects.com/t/how-to-prevent-rare-cases-where-ro-https-call-hangs/33836)
**Author:** [@fvancrae](https://talk.remobjects.com/u/fvancrae)\ **Replies:** 11\ **Last updated:** [September 22, 2026, 5:19pm UTC](https://talk.remobjects.com/t/how-to-prevent-rare-cases-where-ro-https-call-hangs/33836 "2026-09-22T17:19:57Z")
On rare occasions we have a RO client (that uses a HTTPS connection) hangs in a call. It gets stuck in Receive functions. See screenshot. Is there a way to prevent this (apart from killing the thread and respawning it)… --- ## [HTTP API with boolean "HttpApiHeaderParameter" - after upgrade to 10.0.0.1627](https://talk.remobjects.com/t/http-api-with-boolean-httpapiheaderparameter-after-upgrade-to-10-0-0-1627/34006)
**Author:** [@cfhdhigroupcom](https://talk.remobjects.com/u/cfhdhigroupcom)\ **Replies:** 2\ **Last updated:** [September 18, 2026, 3:48pm UTC](https://talk.remobjects.com/t/http-api-with-boolean-httpapiheaderparameter-after-upgrade-to-10-0-0-1627/34006 "2026-09-18T15:48:27Z")
Hi Remobjects It looks to me like the evaluation of a HttpApiHeaderParameter of type boolean has become more strict. In the sense that if you pass an illegal boolean value (could be “”) you get a blow up = “Invalid Path… --- ## [Indy-based transport channels using SSL via TaurusTLS library](https://talk.remobjects.com/t/indy-based-transport-channels-using-ssl-via-taurustls-library/33750)
**Author:** [@develop](https://talk.remobjects.com/u/develop)\ **Replies:** 8\ **Last updated:** [August 6, 2026, 2:32pm UTC](https://talk.remobjects.com/t/indy-based-transport-channels-using-ssl-via-taurustls-library/33750 "2026-08-06T14:32:31Z")
Hi, In our solution, we also use Indy-based transport channels and we’re increasingly encountering requests for SSL-encrypted communication using the latest versions of the OpenSSL libraries (libcrypto-x/libssl-x). As i… --- ## [What is possible use of RetainObject](https://talk.remobjects.com/t/what-is-possible-use-of-retainobject/33749)
**Author:** [@fvancrae](https://talk.remobjects.com/u/fvancrae)\ **Replies:** 4\ **Last updated:** [August 6, 2026, 6:41am UTC](https://talk.remobjects.com/t/what-is-possible-use-of-retainobject/33749 "2026-08-06T06:41:14Z")
We are migrating to XE13 and the newest RemObjects/DataAbstract 4 Delphi SDK and notice RetainObject is not available anymore (it is now private) So we have to modify our code. In one instance it is used for a return v… --- ## [Are "special" (like ñ, or accented vocals) character allowed in RODL? rodl2code produces correct files, Service Builder no](https://talk.remobjects.com/t/are-special-like-n-or-accented-vocals-character-allowed-in-rodl-rodl2code-produces-correct-files-service-builder-no/33725)
**Author:** [@rgomezc](https://talk.remobjects.com/u/rgomezc)\ **Replies:** 12\ **Last updated:** [August 5, 2026, 5:48pm UTC](https://talk.remobjects.com/t/are-special-like-n-or-accented-vocals-character-allowed-in-rodl-rodl2code-produces-correct-files-service-builder-no/33725 "2026-08-05T17:48:40Z")
Hello, I have a structure that has a field AñoFacturaGlobal. If we regenerate the \_Intf using rodl2code then the files are correctly generated. If we do that from Service Builder then we get A\_oFacturaGlobal instead. I… --- ## [Failing SuperHTTP request because of missing ContentType](https://talk.remobjects.com/t/failing-superhttp-request-because-of-missing-contenttype/33672)
**Author:** [@infokevercom](https://talk.remobjects.com/u/infokevercom)\ **Replies:** 8\ **Last updated:** [July 30, 2026, 2:20pm UTC](https://talk.remobjects.com/t/failing-superhttp-request-because-of-missing-contenttype/33672 "2026-07-30T14:20:41Z")
Hello, We’ve run into an issue in our Delphi FMX app. We use TRONetSuperHTTPChannel to connect to a Remoting SDK SuperHTTP server endpoint as part of our login process. On Android, iOS and macOS the ShHello request fai… --- ## [\_Intf codegen emits access to ancestor's private fields when a struct descends from a struct in a used RODL (E2361)](https://talk.remobjects.com/t/intf-codegen-emits-access-to-ancestors-private-fields-when-a-struct-descends-from-a-struct-in-a-used-rodl-e2361/33692)
**Author:** [@claudio.piffer](https://talk.remobjects.com/u/claudio.piffer)\ **Replies:** 2\ **Last updated:** [July 27, 2026, 8:39am UTC](https://talk.remobjects.com/t/intf-codegen-emits-access-to-ancestors-private-fields-when-a-struct-descends-from-a-struct-in-a-used-rodl-e2361/33692 "2026-07-27T08:39:38Z")
Product / versions Remoting SDK + Data Abstract for Delphi 10.0.0.1627 — RAD Studio 13.1 (Win32/Win64) → fails Same project with Remoting SDK + Data Abstract for Delphi 10.0.0.1553 — RAD Studio 11.2 → compiled fine Su… --- ## [EROBaseAsyncSocketError: Response already sent](https://talk.remobjects.com/t/erobaseasyncsocketerror-response-already-sent/33669)
**Author:** [@obones](https://talk.remobjects.com/u/obones)\ **Replies:** 6\ **Last updated:** [July 23, 2026, 6:42am UTC](https://talk.remobjects.com/t/erobaseasyncsocketerror-response-already-sent/33669 "2026-07-23T06:42:37Z")
Hello, I have just updated ROSDK to version 10.0.0.1627 and while running my set of tests, I’m now seeing the exception in the title with the following call stack: exception class : EROBaseAsyncSocketError exception… --- ## [Severe Code First startup scalability issue during RTTI → RODL generation (benchmark included)](https://talk.remobjects.com/t/severe-code-first-startup-scalability-issue-during-rtti-rodl-generation-benchmark-included/33660)
**Author:** [@eduardobamorim](https://talk.remobjects.com/u/eduardobamorim)\ **Replies:** 6\ **Last updated:** [July 21, 2026, 12:54pm UTC](https://talk.remobjects.com/t/severe-code-first-startup-scalability-issue-during-rtti-rodl-generation-benchmark-included/33660 "2026-07-21T12:54:22Z")
Hello, We have been investigating a severe startup-time issue in one of our RemObjects SDK for Delphi servers that uses Code First services. Before posting this, we profiled the complete RTTI → RODL generation pipeline… --- ## [Array with Nullable Elements in Delphi (uRONullable)](https://talk.remobjects.com/t/array-with-nullable-elements-in-delphi-uronullable/33524)
**Author:** [@impet](https://talk.remobjects.com/u/impet)\ **Replies:** 3\ **Last updated:** [June 22, 2026, 2:16pm UTC](https://talk.remobjects.com/t/array-with-nullable-elements-in-delphi-uronullable/33524 "2026-06-22T14:16:40Z")
Hi, I’ve created Array with NullableInteger as Element Type My generated \_Intf.pas has code (RO ver 10.0.0.1613): function NullableIntegerArray.IndexOf(const aValue: NullableInteger; const aStartFrom: Integer = 0): In… --- ## [After installing windows security update KB5094126, application and windows crashes](https://talk.remobjects.com/t/after-installing-windows-security-update-kb5094126-application-and-windows-crashes/33496)
**Author:** [@\_Koncz\_Timea](https://talk.remobjects.com/u/_Koncz_Timea)\ **Replies:** 3\ **Last updated:** [June 15, 2026, 8:12am UTC](https://talk.remobjects.com/t/after-installing-windows-security-update-kb5094126-application-and-windows-crashes/33496 "2026-06-15T08:12:53Z")
We are using Grijjy http channel on client side. After installing the mentioned update and starting application, after aprox. 10 seconds, the operating system crashes. We examined the dump file, located in C:\\Windows\\m… --- ## [NullableDateTime in C++Builder... does not compile, at least with classic compiler](https://talk.remobjects.com/t/nullabledatetime-in-c-builder-does-not-compile-at-least-with-classic-compiler/33428)
**Author:** [@rgomezc](https://talk.remobjects.com/u/rgomezc)\ **Replies:** 6\ **Last updated:** [May 29, 2026, 10:17am UTC](https://talk.remobjects.com/t/nullabledatetime-in-c-builder-does-not-compile-at-least-with-classic-compiler/33428 "2026-05-29T10:17:17Z")
Hello, I have never used (or tried to use) Nullable datatypes before. Today I changed one field, a DateTime, for a NullableDateTime, in one of my RODL and regenerated the \_Intf files. When trying to compile it, the fol… --- ## [CORS preflight (OPTIONS) returns 404 on /api/\* — how to add a global preflight handler?](https://talk.remobjects.com/t/cors-preflight-options-returns-404-on-api-how-to-add-a-global-preflight-handler/33313)
**Author:** [@tstoicescu](https://talk.remobjects.com/u/tstoicescu)\ **Replies:** 4\ **Last updated:** [May 25, 2026, 1:51pm UTC](https://talk.remobjects.com/t/cors-preflight-options-returns-404-on-api-how-to-add-a-global-preflight-handler/33313 "2026-05-25T13:51:30Z")
Hello, I have a Delphi REST service built with RO SDK (TROIndyHTTPServer + JSON message). It works fine from same-origin pages and from curl, but browsers from a different origin fail because the CORS preflight OPTIONS … --- ## [Resource RODLFile not found in Remoting server using Hydra](https://talk.remobjects.com/t/resource-rodlfile-not-found-in-remoting-server-using-hydra/33307)
**Author:** [@ron.sanmartino](https://talk.remobjects.com/u/ron.sanmartino)\ **Replies:** 7\ **Last updated:** [May 6, 2026, 2:04pm UTC](https://talk.remobjects.com/t/resource-rodlfile-not-found-in-remoting-server-using-hydra/33307 "2026-05-06T14:04:16Z")
Hi. We have a legacy application using Delphi 2010, SDK 6.0.61.1033, Hydra 3.0.51.881, built with runtime packages. The main exe is the RO server and loads several Hydra plugins. We need to make a small change and have u… --- ## [JSON: Serialize GUIDs without braces from a VCL Server for a REST endpoint?](https://talk.remobjects.com/t/json-serialize-guids-without-braces-from-a-vcl-server-for-a-rest-endpoint/33229)
**Author:** [@rgomezc](https://talk.remobjects.com/u/rgomezc)\ **Replies:** 3\ **Last updated:** [April 17, 2026, 2:48pm UTC](https://talk.remobjects.com/t/json-serialize-guids-without-braces-from-a-vcl-server-for-a-rest-endpoint/33229 "2026-04-17T14:48:36Z")
Hello, I am exposing several methods from my app server for a HTTP API REST endpoint to be consumed by REST clients. In my unit tests, using xUnit from .NET, I added some new tests that validate the values returned by … --- ## [Access to client info in ValidateRemoteCertificate event](https://talk.remobjects.com/t/access-to-client-info-in-validateremotecertificate-event/28597)
**Author:** [@fvancrae](https://talk.remobjects.com/u/fvancrae)\ **Replies:** 6\ **Last updated:** [April 15, 2026, 10:11am UTC](https://talk.remobjects.com/t/access-to-client-info-in-validateremotecertificate-event/28597 "2026-04-15T10:11:54Z")
Is there a way to get client information in the ValidateRemoteCertificate event. The goal is to identify the offending clients (remote IP address, …) TIA, Frederic --- ## [Consuming RO Events by non-RO clients](https://talk.remobjects.com/t/consuming-ro-events-by-non-ro-clients/33171)
**Author:** [@EvgenyK](https://talk.remobjects.com/u/EvgenyK)\ **Replies:** 0\ **Last updated:** [April 3, 2026, 12:44pm UTC](https://talk.remobjects.com/t/consuming-ro-events-by-non-ro-clients/33171 "2026-04-03T12:44:53Z")
since .1623 Consuming RO Events from Any Language Remoting SDK services can be accessed from languages that are not officially supported using the HTTP-based API. In addition to standard service calls, events are also … --- ## [Minor cosmetic issue creating new service (D13)](https://talk.remobjects.com/t/minor-cosmetic-issue-creating-new-service-d13/33160)
**Author:** [@JeremyK](https://talk.remobjects.com/u/JeremyK)\ **Replies:** 2\ **Last updated:** [April 1, 2026, 12:42pm UTC](https://talk.remobjects.com/t/minor-cosmetic-issue-creating-new-service-d13/33160 "2026-04-01T12:42:08Z")
I just added a new service to a DA server, and this is what I got on first compile, using DA .1623 and D13: --- ## [Monitoring RemObjects.SDK.ThreadPool threads and activity](https://talk.remobjects.com/t/monitoring-remobjects-sdk-threadpool-threads-and-activity/33044)
**Author:** [@infokevercom](https://talk.remobjects.com/u/infokevercom)\ **Replies:** 1\ **Last updated:** [March 6, 2026, 6:14am UTC](https://talk.remobjects.com/t/monitoring-remobjects-sdk-threadpool-threads-and-activity/33044 "2026-03-06T06:14:40Z")
Hello team, We are running a Remobjects SDK server using IpSuperHttpServerChannel with a ThreadPool configuration: IpSuperHttpServerChannel serverChannel = new IpSuperHttpServerChannel(); serverChannel.ThreadPool = new… --- ## [Please support Typescript as CodeGen Target](https://talk.remobjects.com/t/please-support-typescript-as-codegen-target/12110)
**Author:** [@gschoch](https://talk.remobjects.com/u/gschoch)\ **Replies:** 5\ **Last updated:** [February 26, 2026, 12:30pm UTC](https://talk.remobjects.com/t/please-support-typescript-as-codegen-target/12110 "2026-02-26T12:30:30Z")
Hi I started to use Angular 2 and really like this new Web Development environment. Angular 2 is fully based on TypeScript and the syntax is 1:1 C# using strong types. Now it would be a real dream to consume the WebS… --- ## [LocalServiceAccess\_Acquire](https://talk.remobjects.com/t/localserviceaccess-acquire/33015)
**Author:** [@allinco1](https://talk.remobjects.com/u/allinco1)\ **Replies:** 1\ **Last updated:** [February 25, 2026, 9:31am UTC](https://talk.remobjects.com/t/localserviceaccess-acquire/33015 "2026-02-25T09:31:53Z")
Hi, I just updated to 10.0.0.1621. Remobjects SDK for Delphi. I cannot compile my webservice ls := LocalServiceAccess\_Acquire(clientid, 'SomeService'); It needs a third parameter. Can you advice what that th… --- ## [Session creation and deletion: should it be some symmetry between those two calls?](https://talk.remobjects.com/t/session-creation-and-deletion-should-it-be-some-symmetry-between-those-two-calls/32951)
**Author:** [@rgomezc](https://talk.remobjects.com/u/rgomezc)\ **Replies:** 7\ **Last updated:** [February 20, 2026, 9:16am UTC](https://talk.remobjects.com/t/session-creation-and-deletion-should-it-be-some-symmetry-between-those-two-calls/32951 "2026-02-20T09:16:59Z")
Hello, I am trying to find what appears to be a memory leak somewhere in my server, which is specially present when our unit test suite runs the “concurrent” users tests. This tests create lots of different threads and … --- ## [RO HTTP Server in Delphi - client certificate verification](https://talk.remobjects.com/t/ro-http-server-in-delphi-client-certificate-verification/32991)
**Author:** [@develop](https://talk.remobjects.com/u/develop)\ **Replies:** 5\ **Last updated:** [February 19, 2026, 4:06pm UTC](https://talk.remobjects.com/t/ro-http-server-in-delphi-client-certificate-verification/32991 "2026-02-19T16:06:20Z")
Hello, Is it possible to create an HTTPs server in the RO/Delphi environment that will actively request and verify client SSL certificates? If so, what is the recommended way? Thank you for your reply, regards from Pra… --- ## [Is there a way to set the connect timeout of an IpHttpClientChannel?](https://talk.remobjects.com/t/is-there-a-way-to-set-the-connect-timeout-of-an-iphttpclientchannel/31151)
**Author:** [@fvancrae](https://talk.remobjects.com/u/fvancrae)\ **Replies:** 10\ **Last updated:** [February 13, 2026, 12:57pm UTC](https://talk.remobjects.com/t/is-there-a-way-to-set-the-connect-timeout-of-an-iphttpclientchannel/31151 "2026-02-13T12:57:52Z")
Is there a way to set the connect timeout of an IpHttpClientChannel? We have a Timeout property which appears to be the read timeout Connection timeout seems to be 20 seconds, can this be altered? [Next page](https://talk.remobjects.com/c/ro/4.md?page=1)