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Eclipse: The declared package does not match the expected package

I have a problem importing an external project. I go File -> Import… -> Existing Projects into Workspace, choose the folder where the project is located and everything is imported – but the package names of the project don’t seem to be what Eclipse expects. The package names all have a prefix:

prefix.packagename1
prefix.packagename2

etc.

But Eclipse expects

src.prefix1.prefix.packagename1
src.prefix1.prefix.packagename2

etc. because the directory is src/prefix1/prefix/package1

I don’t really want to mess around with external code. How do I tell Eclipse to ignore the directory “src/prefix1”? Or what else can I do?

Answer

Just go into the build path and change the source path to be src/prefix1 instead of src.

It may be easiest to right-click on the src directory and select “Build Path / Remove from build path”, then find the src/prefix1 directory, right-click it and select “Build Path / Use as source folder”.

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