Unable to compile using JDeveloper 12c

When building up my java application, which consisted on creating/deleting new classes and manipulating the code within each file, I noticed that JDeveloper would not compile my .java classes even though I was not receiving any errors.
March 10, 2014
JDeveloper-12c
https://technicalconfessions.com/images/postimages/postimages/_244_1_Unable to compile using JDeveloper problem.png

The error was stating the following:

Error: error: error reading Class1.java; Class1.java (no such file or directory)

The class file did exist, though it was deleted intentionally. Now the JDeveloper would not compile. I searched for the file and it's associated references within the possible files without any success.


SOLUTION

https://technicalconfessions.com/images/postimages/postimages/_244_3_Unable to compile using JDeveloper Solution.png

The solution here is to clean up the .jpr file, which is basically the project file that JDeveloper uses to understand which classes are considered within the project. The reference of which files must be compiled to speed up efficiency on application runtimes as this reference was not searchable on the computer by using clear text.

Go into Build and Clear All then try again

About the author

Daniel is a Technical Manager with over 10 years of consulting expertise in the Identity and Access Management space.
Daniel has built from scratch this blog as well as technicalconfessions.com
Follow Daniel on twitter @nervouswiggles

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