I am trying to develop my own custom demo for the document viewer with Java Library but i faced a lot of errors.
please any one guide my step by step to develop the demo.
Thanks for the Quick reply.
i configured the Document Viewer Successful with Spring Tool Suite IDE and Apache Tomcat server 8.0, but when trying to upload any file format (tried with different files with different formats) NullpointerException Generated And another warning messages at the console screen appeared.
i attached screen shots for every Error mentioned .Please help me solving these errors.
which files you need to be shared ?
Attached ZIP file contains all my files used with STS (without target folder of course).
i made the changes that you told me above, but the same error still produced when i am trying to upload any file from the file path mentioned in the groupdocs.viewer.filePath.
Attached, the edited version from the spring sample and screen shot for errors.
attached txt file contains the log for apache tomcat 8.