Fix issue jaredsburrows#229

gradle-license-plugin/src/main/kotlin/com/jaredsburrows/license/LicenseReportTask.kt

@@ -1,11 +1,7 @@
 package com.jaredsburrows.license
 
 import com.jaredsburrows.license.internal.ConsoleRenderer
-import com.jaredsburrows.license.internal.report.CsvReport
-import com.jaredsburrows.license.internal.report.HtmlReport
-import com.jaredsburrows.license.internal.report.JsonReport
-import com.jaredsburrows.license.internal.report.Report
-import com.jaredsburrows.license.internal.report.TextReport
+import com.jaredsburrows.license.internal.report.*
 import org.apache.maven.model.Developer
 import org.apache.maven.model.License
 import org.apache.maven.model.Model
@@ -17,16 +13,12 @@ import org.gradle.api.artifacts.ConfigurationContainer
 import org.gradle.api.artifacts.ResolvedArtifact
 import org.gradle.api.artifacts.ResolvedDependency
 import org.gradle.api.artifacts.dsl.DependencyHandler
-import org.gradle.api.tasks.Input
-import org.gradle.api.tasks.InputFile
+import org.gradle.api.tasks.*
 import org.gradle.api.tasks.Optional
-import org.gradle.api.tasks.OutputDirectory
-import org.gradle.api.tasks.TaskAction
 import java.io.File
 import java.net.URI
 import java.net.URL
-import java.util.Locale
-import java.util.UUID
+import java.util.*
 
 /** A [org.gradle.api.Task] that creates HTML and JSON reports of the current projects dependencies. */
 internal open class LicenseReportTask : DefaultTask() { // tasks can't be final
@@ -160,7 +152,8 @@ internal open class LicenseReportTask : DefaultTask() { // tasks can't be final
         try {
           configuration.isCanBeResolved = true
         } catch (e: Exception) {
-          logger.warn("Cannot resolve configuration ${configuration.name}", e)
+          logger.warn("Cannot resolve configuration ${configuration.name}: ${e.message}")
+          logger.debug("Cannot resolve configuration ${configuration.name}", e)
         }
       }
     }