<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/121496>121496</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [installation Clang-19] 404 on apt.llvm.org repository for noble (ubuntu 24.04)
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          ibis-hdl
      </td>
    </tr>
</table>

<pre>
    Hello, I'm not able to install llvm-19/clang-19 on Ubuntu 24. Basically because I get the error `404  Not Found [IP: 199.232.194.49 443]`. Hence, `apt-get update` etc. will fail. I'm working in an Ubuntu-24.04 devcontainer - what is the meaning of `does not have a Release file.`? The problems seem to exist since issue #97314 from July 2024.

```sh
$ wget https://apt.llvm.org/llvm.sh -O - | sudo bash -s -- 19 all 
...
+ add-apt-repository -y 'deb http://apt.llvm.org/noble/ llvm-toolchain-noble-19 main'
Repository: 'deb http://apt.llvm.org/noble/ llvm-toolchain-noble-19 main'
Description:
Archive for codename: llvm-toolchain-noble-19 components: main
More info: http://apt.llvm.org/noble/
Adding repository.
Found existing deb entry in /etc/apt/sources.list.d/archive_uri-http_apt_llvm_org_noble_-noble.list
Adding deb entry to /etc/apt/sources.list.d/archive_uri-http_apt_llvm_org_noble_-noble.list
Found existing deb-src entry in /etc/apt/sources.list.d/archive_uri-http_apt_llvm_org_noble_-noble.list
Adding disabled deb-src entry to /etc/apt/sources.list.d/archive_uri-http_apt_llvm_org_noble_-noble.list
Hit:2 http://archive.ubuntu.com/ubuntu noble InRelease 
Hit:3 http://archive.ubuntu.com/ubuntu noble-updates InRelease 
Hit:5 https://dl.yarnpkg.com/debian stable InRelease 
Hit:6 http://archive.ubuntu.com/ubuntu noble-backports InRelease 
Hit:7 http://security.ubuntu.com/ubuntu noble-security InRelease           
Ign:1 https://apt.llvm.org/noble noble-llvm-toolchain-19 InRelease   
Hit:4 https://apt.llvm.org/noble llvm-toolchain-noble-19 InRelease    
Err:8 https://apt.llvm.org/noble noble-llvm-toolchain-19 Release      
  404  Not Found [IP: 199.232.194.49 443]
Reading package lists... Done
E: The repository 'http://apt.llvm.org/noble noble-llvm-toolchain-19 Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
+ apt-get update
Hit:2 http://security.ubuntu.com/ubuntu noble-security InRelease 
Hit:4 https://dl.yarnpkg.com/debian stable InRelease 
Hit:5 http://archive.ubuntu.com/ubuntu noble InRelease                     
Ign:1 https://apt.llvm.org/noble noble-llvm-toolchain-19 InRelease   
Hit:3 https://apt.llvm.org/noble llvm-toolchain-noble-19 InRelease
Hit:7 http://archive.ubuntu.com/ubuntu noble-updates InRelease
Err:6 https://apt.llvm.org/noble noble-llvm-toolchain-19 Release
  404  Not Found [IP: 199.232.194.49 443]
Hit:8 http://archive.ubuntu.com/ubuntu noble-backports InRelease
Reading package lists... Done
E: The repository 'http://apt.llvm.org/noble noble-llvm-toolchain-19 Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
```
</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJzsV01v4zYT_jX0ZSCBomTLOvigbF5j8wLdFtvuOaDEkcWGJgWSSup_X4zkOB9d727SZE81DCRiwmee-XpGI0PQO4u4YcsLtrxcyDH2zm90o0PSK7NonDpsPqIxjokPcMVEuQfrIsjGIEQH2oYojQFjbvdJVjGxbY20uySrwFn40ow2jiCKFC5k0K005gANtnIMCFewwwixR0DvnQe24gUvAD65CFs3WgVseXH1G8tryKoqFblIs6pIiwqKImfLS7biKXxE2yJRYysuh5gQ5DgoGZGtOGBsU7jTxkAntUmP_O-cv9F2B9qCvOeYiCLlBSi8bZ2NUlv0kMBdLyPoMJHco7R0y3VkSzkMUyB6eYsg4TMalAGh0wZTtuIs38IfPcLgXWNwHyAg7ilg-JcOEYK2LYIOYURgIq_KPCug824P_x_NAQQXRcp4Td8Vn7-hpydRwB352Mc4BJbXTGyZ2MohppSB1PkdE9vp19BD8iskwMoPEEbloJF0FCBJIKuAksZ4naaTHXEBUqmEIuhxcEFH5w-QHICJUmEzmTtnzZKHTGznGojOmbaX2ibTORXCXmrLRMl4_fmETVl9W-xLDK3XQ9TOEhqva9_2-hahcx5ap9DKPZLZc1Ct2w_Ooo0U1xmY1784j6Bt5-jsR5iSYaWoUB4CSSGeK3rKPv2RHEcb_YGqkIktxnbGZGIb3OhbDKnRIaaKjmdPrkevE-JwLYd4Tbavnd9dT5avZz-mOw8UHqxE9w5W_ulTEnz7M_zSgQRIPTP5Lk5-1JHltXiW_BkmHSfxSFu3Z2I7P8B0G67svSScMPIXYiSzkIWvYS2fKYAy6UF6O9zsjkAKGy0thCjPsFm9lE0j25vB-fhVPuVTtIDt6HU8fAPu_l8eoT18GK-vdtTH2beVbo71DPisr7PqCfKJafEjiOc04glXxuv_ec_yev1vSD5xnvEa4GVTkFRVTl0xyPZG7hCocEOapnDpLBJJukzD6JG0M1F-V82-R5mJEr49B3n9iWx_oTomhtOEC2Pbg3xMppWk4REaBOUswlQaaA4016VVxwnssSMxPvV-cwCFnRxNPBn6HRFohs0ATKzXTNCMsAPFhQbBY6seJU2LycQYkKaE7fRu9POxwii1Caf5-PTt4owwvK7wzxbny9t6-Xqh-trnHRsxf5NGPKdAr1DXUz-v3qCfX9XJsyfrN1Dm_2ThZ8jC_bv5Qm1yVeWVXOAmK_PlOl9yXi36TZZXPFPLcolFvupKVa67dSGrdbMusVKCL_RGcLHkGRfZSuSiSouqk-uswiJvOS_zjhUc97S83KdhMW0Nm0xkRbVaGNmgCdP2JoTFu3mnYELQMuc3U5KacRdYwef8n2CijmZa-44r3Ozdh-P2xpaXU_VSHB7VwONAUdzmgmBiPZ42PV4wUS1GbzZPm2inYz82x_IlvOOPZPDuT2zpbW3iHpjYHp273Yi_AwAA__8ZNdGm">