1. Xdoclet Error: Missing Library:xdoclet-1.2.1.jar
Download Xdoclet-bin-1.2.1.zip from HTTP://SOURCEFORGE.NET/PROJECTS/XDOCLET/FILES/XDOCLET/1.2.1/, Unzip the Xdoclet-1.2.1.jar and Xjavadoc-1.0.3.jar to a local path. In Project properties, locate the Xdoclet and set the Xdoclet home as the path.
2. Properties->project Facets:cannot Change version of the Project facet Dynamic Web module to 2.5
Under Project Local path, locate the. Settings folder, open Org.eclipse.wst.common.project.facet.core.xml, modify: <installed facet= "Jst.web" version= "2.5"/>
3. In any case, modify the JRE, XDoclet, always appear in the makers: the preferences for the XDoclet runtime does not point to a valid installation.
The reason is that makers cannot automatically reset the error caused by the change/missing xdoclet configuration. Workaround: First go to project->facets, put the xdoclet on the hook, according to the dynamic WEB module version and Java version to select the desired version. Apply, and then delete. This can trigger the makers reset.
Eclipse Environmental Issues Collection