Problem: Not exactly SharePoint, but the issue is when setting the %JAVA_HOME% environment variable, Java installs to the Program Files directory by default. The space in the path seems to stop the variable from being read. You get an error. Solution: Change Program Files to Progra~1, so the path now looks like this: C:\Progra~1\Java\jdk1.6.0_2... You can type %JAVA_HOME%\bin\javac to test. Output should look like this: Usage: javac <options> <source files> where possible options...
Sytmptom: You have a list or document library page (allitems.aspx) and you are trying to add a Web part. You get an error message: Unable to add selected Web part(s). (name of Web part): The file is not checked out. You must first check out this document before making changes. Publishing features are not turned on and it is not a page that lives in a library accessible by the GUI. Solution: Open the site in SharePoint Designer and check out the page. Then, check in the page after modifications are...