You can use a text editor's help to avoid this stuff.

For example, in Sublime Text, I have set:

"translate_tabs_to_spaces": true,

"trim_trailing_white_space_on_save": true

Now pressing "Tab" will write out 4 spaces, and trailing spaces are deleted on save.

Best wishes,

Greg

On Mon, May 22, 2017 at 12:03 PM, shubham dubey <sdubey504@gmail.com> wrote:

Thanks,I found the error above in output.
They are related to trailing spaces and unnecessary tabs, so I solved them.
Thanks again for help.

Shubham

On Mon, May 22, 2017 at 6:57 PM, Shmuel Melamud <smelamud@redhat.com> wrote:

Hi!

On Mon, May 22, 2017 at 4:15 PM, shubham dubey <sdubey504@gmail.com> wrote:
> but after compiling through make I am getting following error
>
> ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-checkstyle-plugin:2.17:check (checkstyle) on
> project common: You have 7 Checkstyle violations. -> [Help 1]
>
> so can anyone tell me what that means?

This a plugin the checks code style (unused imports, wrong spacing etc.).

There should be more messages that explain what exactly is wrong.

Shmuel

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--

Greg Sheremeta, MBA
Sr. Software Engineer

Red Hat, Inc.
gshereme@redhat.com