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java.lang.NullPointerException
java.lang.NullPointerException: 	at org.apache.maven.project.interpolation.AbstractStringBasedModelInterpolator.interpolate(AbstractStringBasedModelInterpolator.java:214)	at org.apache.maven.project.interpolation.AbstractStringBasedModelInterpolator.interpolate(AbstractStringBasedModelInterpolator.java:161)	at org.apache.maven.project.interpolation.AbstractStringBasedModelInterpolator.interpolate(AbstractStringBasedModelInterpolator.java:136)	at org.apache.maven.project.interpolation.AbstractStringBasedModelInterpolator.interpolate(AbstractStringBasedModelInterpolator.java:115)	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.groovy.runtime.callsite.PojoMetaMethodSite$PojoCachedMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaMethodSite.java:229)	at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:52)	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:43)	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116)	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:128)	at undefined.script1239744300924.interpolatedProperties(script1239744300924.groovy:7)	at undefined.script1239744300924$interpolatedProperties.callCurrent(Unknown Source)	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:47)	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:142)	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:146)	at undefined.script1239744300924.run(script1239744300924.groovy:12)	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.groovy.maven.runtime.support.ScriptExecutorSupport.invokeMethod(ScriptExecutorSupport.java:158)	at org.codehaus.groovy.maven.runtime.support.ScriptExecutorSupport.execute(ScriptExecutorSupport.java:126)	at org.codehaus.groovy.maven.runtime.support.ScriptExecutorSupport.execute(ScriptExecutorSupport.java:73)	at org.codehaus.groovy.maven.plugin.execute.ExecuteMojo.process(ExecuteMojo.java:182)	at org.codehaus.groovy.maven.plugin.ComponentMojoSupport.doExecute(ComponentMojoSupport.java:60)	at org.codehaus.groovy.maven.plugin.MojoSupport.execute(MojoSupport.java:69)	at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:483)	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:678)	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:540)	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:519)	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:371)	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:332)	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:181)	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:356)	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:137)	at org.apache.maven.cli.MavenCli.main(MavenCli.java:356)	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.classworlds.Launcher.launchEnhanced(Launcher.java:315)	at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)	at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)	at org.codehaus.classworlds.Launcher.main(Launcher.java:375)