Getting error on running mvn clean package in languagetool dir

as per Adding A New Language - LanguageTool Wiki I have done all the necessary steps but when i ran mvn clean package in languagetool dir i got a built failure:-

Results :

Tests in error:
HTTPServerLoadTest>HTTPServerTest.testEnabledOnlyParameter:206 ╗ PortBinding L

Tests run: 20, Failures: 0, Errors: 1, Skipped: 2

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] languagetool-parent … SUCCESS [ 1.324 s]
[INFO] LanguageTool Style and Grammar Checker Core … SUCCESS [ 20.239 s]
[INFO] English module for LanguageTool … SUCCESS [09:58 min]
[INFO] Persian module for LanguageTool … SUCCESS [ 14.868 s]
[INFO] Hunspell native libs for LanguageTool … SUCCESS [ 0.817 s]
[INFO] French module for LanguageTool … SUCCESS [ 17.516 s]
[INFO] German module for LanguageTool … SUCCESS [02:44 min]
[INFO] Polish module for LanguageTool … SUCCESS [01:59 min]
[INFO] Catalan module for LanguageTool … SUCCESS [02:19 min]
[INFO] Italian module for LanguageTool … SUCCESS [ 5.100 s]
[INFO] Breton module for LanguageTool … SUCCESS [ 7.585 s]
[INFO] Dutch module for LanguageTool … SUCCESS [ 12.675 s]
[INFO] Portuguese module for LanguageTool … SUCCESS [ 8.199 s]
[INFO] Russian module for LanguageTool … SUCCESS [04:32 min]
[INFO] Asturian module for LanguageTool … SUCCESS [ 3.867 s]
[INFO] Belarusian module for LanguageTool … SUCCESS [ 2.210 s]
[INFO] Chinese module for LanguageTool … SUCCESS [ 26.998 s]
[INFO] Danish module for LanguageTool … SUCCESS [ 4.317 s]
[INFO] Esperanto module for LanguageTool … SUCCESS [ 10.264 s]
[INFO] Galician module for LanguageTool … SUCCESS [ 6.309 s]
[INFO] Greek module for LanguageTool … SUCCESS [ 2.757 s]
[INFO] Icelandic module for LanguageTool … SUCCESS [ 2.886 s]
[INFO] Japanese module for LanguageTool … SUCCESS [01:53 min]
[INFO] Khmer module for LanguageTool … SUCCESS [ 5.905 s]
[INFO] Lithuanian module for LanguageTool … SUCCESS [ 4.119 s]
[INFO] Malayalam module for LanguageTool … SUCCESS [ 3.457 s]
[INFO] Romanian module for LanguageTool … SUCCESS [ 7.235 s]
[INFO] Slovak module for LanguageTool … SUCCESS [ 6.946 s]
[INFO] Slovenian module for LanguageTool … SUCCESS [ 2.481 s]
[INFO] Spanish module for LanguageTool … SUCCESS [ 4.901 s]
[INFO] Swedish module for LanguageTool … SUCCESS [ 3.255 s]
[INFO] Tamil module for LanguageTool … SUCCESS [ 2.891 s]
[INFO] Tagalog module for LanguageTool … SUCCESS [ 2.392 s]
[INFO] Ukrainian module for LanguageTool … SUCCESS [ 14.731 s]
[INFO] Hindi module for LanguageTool … SUCCESS [ 1.197 s]
[INFO] Simple German module for LanguageTool … SUCCESS [ 3.040 s]
[INFO] All language modules for LanguageTool … SUCCESS [ 0.126 s]
[INFO] LanguageTool common GUI classes … SUCCESS [ 1.332 s]
[INFO] LanguageTool command-line version … SUCCESS [ 29.231 s]
[INFO] LanguageTool embedded HTTP server … FAILURE [ 26.157 s]
[INFO] LanguageTool stand-alone GUI … SKIPPED
[INFO] LanguageTool LibreOffice/OpenOffice extension … SKIPPED
[INFO] LanguageTool Wikipedia tools … SKIPPED
[INFO] LanguageTool development tools … SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 27:57 min
[INFO] Finished at: 2015-03-24T19:38:33+05:30
[INFO] Final Memory: 23M/64M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.
18.1:test (default-test) on project languagetool-server: There are test failures
.
[ERROR]
[ERROR] Please refer to C:\Users\pratikbsp\languagetool\languagetool-server\targ
et\surefire-reports for the individual test results.
[ERROR] → [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e swit
ch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please rea
d the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureExc
eption
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command

[ERROR] mvn -rf :languagetool-server

You need to make sure that nothing else is running on port 8081 (also not another instance of LT), which is the default port used for the tests.

Thanks, It worked.But new built failure is due to:-
[INFO] LanguageTool stand-alone GUI … FAILURE [06:21 min]
[ERROR] Please refer to C:\Users\pratikbsp\languagetool\languagetool-standalone
target\surefire-reports for the individual test results.