| Issue | Potential Solution | |---|---| | | Re-download the file, ensuring a stable internet connection. A mismatch often indicates file corruption during the transfer. | | Oracle Website Changes | Oracle occasionally restructures its website, which may break direct links. If the provided URLs don't work, navigate from the main Oracle website to "Downloads," then "Database," and finally "SQL Developer". | | No Checksum Provided | If SHA256 is unavailable, request an MD5 checksum from official sources or use a different validation tool. Third-party tools like File Checksum Integrity Verifier (FCIV) for Windows can be used as an alternative. | | Download Fails or Stalls | Use a download manager or ensure your browser's security settings aren't blocking the download. Try using a different browser or turning off any VPN temporarily. | | "MSVCR100.dll" Error on Windows | If you see this error after installing the JDK-included version, copy a 64-bit version of the MSVCR100.dll file into the \bin directory of your SQL Developer installation, or ensure your system PATH points to a 64-bit version first. | | "No Java Found" Prompt | When launching SQL Developer for the first time, if it cannot find Java, you'll be prompted to provide the path to your JDK home directory. Enter a valid path such as C:\Program Files\Java\jdk1.8.0_181 (adjust for your specific Java version and installation path). |
Compare the output hash string against the SHA-256 hash displayed on the Oracle download page. They must match exactly. Verifying on macOS and Linux (Terminal) Open your . Run the sha256sum or shasum command: shasum -a 256 sqldeveloper-21.4.3.063.0100-macosx.app.zip Use code with caution.
Complete Guide to Downloading Oracle SQL Developer 21.4.3: Secure and Verified oracle sql developer download 2143 download verified
Malicious actors sometimes try to spoof downloads, or network glitches can corrupt files during transmission. Verifying your download using the ensures that your downloaded file matches Oracle's original file exactly. Locating the Official Checksum
Oracle provides two primary download packages for Windows users to simplify setup: : | Issue | Potential Solution | |---|---| |
To bypass Error 2143 and get a verified, working installation, follow these steps in order:
: The Windows 64-bit bundle includes JDK 8; other versions require a separate JDK installation. If the provided URLs don't work, navigate from
Updated: 2025 – This guide is accurate as of the latest Oracle Archive availability. For the most recent builds (23.x and beyond), visit the main Oracle SQL Developer download page.
It offers robust support for Oracle Database 19c and 21c, while maintaining backward compatibility with older versions like 12c.
Follow these steps to bypass the error and get a clean installation.
Open the extracted sqldeveloper folder and run sqldeveloper.exe (Windows) or the sqldeveloper binary (macOS/Linux).