mavenExecutionResult exceptions not empty
message : Failed to execute goal org.eclipse.tycho:tycho-packaging-plugin:0.16.0:build-qualifier (default-build-qualifier) on project com.iwaysoftware.iwresource.model.emf: Unable to parse configuration of mojo org.eclipse.tycho:tycho-packaging-plugin:0.16.0:build-qualifier for parameter format: Cannot configure instance of java.text.SimpleDateFormat from '${buildPrefix}'${qualifierFormat}
cause : Unable to parse configuration of mojo org.eclipse.tycho:tycho-packaging-plugin:0.16.0:build-qualifier for parameter format: Cannot configure instance of java.text.SimpleDateFormat from '${buildPrefix}'${qualifierFormat}
Stack trace :
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.eclipse.tycho:tycho-packaging-plugin:0.16.0:build-qualifier (default-build-qualifier) on project com.iwaysoftware.iwresource.model.emf: Unable to parse configuration of mojo org.eclipse.tycho:tycho-packaging-plugin:0.16.0:build-qualifier for parameter format: Cannot configure instance of java.text.SimpleDateFormat from '${buildPrefix}'${qualifierFormat}
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:221)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
	at org.jvnet.hudson.maven3.launcher.Maven3Launcher.main(Maven3Launcher.java:79)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchStandard(Launcher.java:329)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:239)
	at org.jvnet.hudson.maven3.agent.Maven3Main.launch(Maven3Main.java:174)
	at hudson.maven.Maven3Builder.call(Maven3Builder.java:100)
	at hudson.maven.Maven3Builder.call(Maven3Builder.java:66)
	at hudson.remoting.UserRequest.perform(UserRequest.java:118)
	at hudson.remoting.UserRequest.perform(UserRequest.java:48)
	at hudson.remoting.Request$2.run(Request.java:326)
	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:619)
Caused by: org.apache.maven.plugin.PluginConfigurationException: Unable to parse configuration of mojo org.eclipse.tycho:tycho-packaging-plugin:0.16.0:build-qualifier for parameter format: Cannot configure instance of java.text.SimpleDateFormat from '${buildPrefix}'${qualifierFormat}
	at org.apache.maven.plugin.internal.DefaultMavenPluginManager.populatePluginFields(DefaultMavenPluginManager.java:597)
	at org.apache.maven.plugin.internal.DefaultMavenPluginManager.getConfiguredMojo(DefaultMavenPluginManager.java:529)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:92)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
	... 27 more
Caused by: org.codehaus.plexus.component.configurator.ComponentConfigurationException: Cannot configure instance of java.text.SimpleDateFormat from '${buildPrefix}'${qualifierFormat}
	at org.codehaus.plexus.component.configurator.converters.composite.ComponentDefaultValueSetter.configure(ComponentDefaultValueSetter.java:84)
	at org.codehaus.plexus.component.configurator.converters.composite.ObjectWithFieldsConverter.fromConfiguration(ObjectWithFieldsConverter.java:103)
	at org.codehaus.plexus.component.configurator.converters.ComponentValueSetter.configure(ComponentValueSetter.java:348)
	at org.codehaus.plexus.component.configurator.converters.composite.ObjectWithFieldsConverter.processConfiguration(ObjectWithFieldsConverter.java:161)
	at org.codehaus.plexus.component.configurator.BasicComponentConfigurator.configureComponent(BasicComponentConfigurator.java:56)
	at org.apache.maven.plugin.internal.DefaultMavenPluginManager.populatePluginFields(DefaultMavenPluginManager.java:567)
	... 30 more
channel stopped
Finished: FAILURE