# \#dar
**URL:** https://forum.canton.network/tag/dar/129.md
[Latest](https://forum.canton.network/latest.md) · [Categories](https://forum.canton.network/categories.md) · [Tags](https://forum.canton.network/tags.md)
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## [How to fetch DAR from Canton bootstrap script?](https://forum.canton.network/t/how-to-fetch-dar-from-canton-bootstrap-script/7604)
**Author:** [@Richard\_Kapolnai](https://forum.canton.network/u/Richard_Kapolnai)\
**Replies:** 4\
**Last updated:** [January 28, 2025, 4:52pm UTC](https://forum.canton.network/t/how-to-fetch-dar-from-canton-bootstrap-script/7604 "2025-01-28T16:52:50Z")
How can this Canton 2.9.4 console function be called: dars.download(string, string) ? I am getting this error: @ participant.dars.download(packageId, ".") ERROR i.g.i.SerializingExecutor - Exception while executing ru…
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## [Daml codegen produces different packageId using same dars?](https://forum.canton.network/t/daml-codegen-produces-different-packageid-using-same-dars/7432)
**Author:** [@pragya](https://forum.canton.network/u/pragya)\
**Replies:** 2\
**Last updated:** [October 16, 2024, 12:42pm UTC](https://forum.canton.network/t/daml-codegen-produces-different-packageid-using-same-dars/7432 "2024-10-16T12:42:10Z")
In one project , I have done daml codegen using a set of dars. I have used maven to do codgen. In another project I used same dars and used daml codegen java .i.e through daml command. Some package id are same , but for…
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## [How to get package\_id for submit\_command with gRPC](https://forum.canton.network/t/how-to-get-package-id-for-submit-command-with-grpc/6802)
**Author:** [@wilsonhsu0102](https://forum.canton.network/u/wilsonhsu0102)\
**Replies:** 4\
**Last updated:** [August 16, 2023, 2:36pm UTC](https://forum.canton.network/t/how-to-get-package-id-for-submit-command-with-grpc/6802 "2023-08-16T14:36:58Z")
Hi team, I am working on setting up a gRPC client to call the Daml ledger api from a Rails app. Following the Java example here: https://github.com/digital-asset/ex-java-bindings/blob/89052898bbdf9828f08ea039c87095bf65b…
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## [Do DARs need to be reuploaded across Canton upgrades?](https://forum.canton.network/t/do-dars-need-to-be-reuploaded-across-canton-upgrades/6445)
**Author:** [@Mr\_Mannoroth](https://forum.canton.network/u/Mr_Mannoroth)\
**Replies:** 1\
**Last updated:** [April 19, 2023, 5:30pm UTC](https://forum.canton.network/t/do-dars-need-to-be-reuploaded-across-canton-upgrades/6445 "2023-04-19T17:30:37Z")
Do DARs need to be reuploaded across Canton upgrades? If no, any exceptions to that?
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## [Build option to package](https://forum.canton.network/t/build-option-to-package/6236)
**Author:** [@Afonso](https://forum.canton.network/u/Afonso)\
**Replies:** 1\
**Last updated:** [March 8, 2023, 5:13pm UTC](https://forum.canton.network/t/build-option-to-package/6236 "2023-03-08T17:13:03Z")
Greetings everyone, I am working on a project where we need to use two different packages that contain two clashing namespaces (let’s call them x-0.0.1 and x-0.0.2). In order to differentiate between both I am using th…
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## [On Canton can I as a DAR uploader control who gets access to the DAR?](https://forum.canton.network/t/on-canton-can-i-as-a-dar-uploader-control-who-gets-access-to-the-dar/3619)
**Author:** [@georg](https://forum.canton.network/u/georg)\
**Replies:** 1\
**Last updated:** [December 22, 2021, 7:12pm UTC](https://forum.canton.network/t/on-canton-can-i-as-a-dar-uploader-control-who-gets-access-to-the-dar/3619 "2021-12-22T19:12:05Z")
I understand there is a DAR sharing mechanism in Canton, that allows me to selectively share a DAR I uploaded with other participants. The question is, can those participants then freely share that DAR with others, so I …
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## [How do you deal with multiple DAR files with the same module/template name on a ledger?](https://forum.canton.network/t/how-do-you-deal-with-multiple-dar-files-with-the-same-module-template-name-on-a-ledger/1102)
**Author:** [@gyorgybalazsi](https://forum.canton.network/u/gyorgybalazsi)\
**Replies:** 2\
**Last updated:** [August 26, 2020, 11:59am UTC](https://forum.canton.network/t/how-do-you-deal-with-multiple-dar-files-with-the-same-module-template-name-on-a-ledger/1102 "2020-08-26T11:59:17Z")
And how can I create a clean slate on the ledger, so that I can be sure that there are no multiple DAR files with the same module name / template name? I’m working with a DAML on Fabric ledger, restarted the Fabric inst…