1. Download eclipse
The eclipse version supported by ArcGIS server10 is 3.3 (europa) and later, which requires the eclipse basic platform and WTP
2.0. We recommend that you download the all in one package for J2EE:
Http://www.eclipse.org/downloads/download.php? File =/technology/EPP/downloads/release/Europa/winter/eclipse-jee-europa-winter-win32.zip
2. Install the ArcGIS plug-in locally
Choose Help> Software Updates> Find and install from the eclipse main menu, select search for new features to install, and click "new local site" on the right ", add the local plug-in upgrade path "C: \ Program Files \ ArcGIS \ export kit10.0 \ Java \ tools \ eclipse_plugin \ arcgis_update_site \ webadf", and click OK.
After the preceding operations are completed, eclipse will automatically scan the preceding path and prompt when available plug-ins are found. Follow the prompts to proceed.
See install
Select "yes" in Figure 7 and restart eclipse to make the added configuration take effect.