Error comes up while issuing Ecilpse:ecilpse cmd for Maven

following error is displayed: while running ecilpse:ecilpse command.


C:\Users\Nitin 2\maven\myfourthproject>mvn -ex ecilpse:ecilpse
[INFO] Error stacktraces are turned on.
[INFO] Scanning for projects...
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven
-metadata.xml
Downloading: https://repo.maven.apache.org/maven2/org/codehaus/mojo/maven-metada
ta.xml
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-
metadata.xml (13 KB at 2.2 KB/sec)
Downloaded: https://repo.maven.apache.org/maven2/org/codehaus/mojo/maven-metadat
a.xml (20 KB at 3.1 KB/sec)
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 7.634 s
[INFO] Finished at: 2016-08-12T13:42:22-07:00
[INFO] Final Memory: 8M/246M
[INFO] ------------------------------------------------------------------------
[ERROR] No plugin found for prefix 'ecilpse' in the current project and in the p
lugin groups [org.apache.maven.plugins, org.codehaus.mojo] available from the re
positories [local (C:\Users\Nitin 2\.m2\repository), central (https://repo.maven
.apache.org/maven2)] -> [Help 1]
org.apache.maven.plugin.prefix.NoPluginFoundForPrefixException: No plugin found
for prefix 'ecilpse' in the current project and in the plugin groups [org.apache
.maven.plugins, org.codehaus.mojo] available from the repositories [local (C:\Us
ers\Nitin 2\.m2\repository), central (https://repo.maven.apache.org/maven2)]
at org.apache.maven.plugin.prefix.internal.DefaultPluginPrefixResolver.r
esolve(DefaultPluginPrefixResolver.java:93)
at org.apache.maven.lifecycle.internal.MojoDescriptorCreator.findPluginF
orPrefix(MojoDescriptorCreator.java:265)
at org.apache.maven.lifecycle.internal.MojoDescriptorCreator.getMojoDesc
riptor(MojoDescriptorCreator.java:219)
at org.apache.maven.lifecycle.internal.DefaultLifecycleTaskSegmentCalcul
ator.calculateTaskSegments(DefaultLifecycleTaskSegmentCalculator.java:103)
at org.apache.maven.lifecycle.internal.DefaultLifecycleTaskSegmentCalcul
ator.calculateTaskSegments(DefaultLifecycleTaskSegmentCalculator.java:83)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(Lifecycl
eStarter.java:89)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Laun
cher.java:289)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.jav
a:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(La
uncher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:
356)
[ERROR]
[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/NoPluginFoundF
orPrefixException