[MRM-138] fix logging, improve speed of tests and improve metadata handling

git-svn-id: https://svn.apache.org/repos/asf/maven/repository-manager/trunk@431536 13f79535-47bb-0310-9956-ffa450edef68

maven-repository-proxy/src/main/java/org/apache/maven/repository/proxy/DefaultProxyRequestHandler.java

@@ -236,37 +236,48 @@ public class DefaultProxyRequestHandler
     private void mergeMetadataFiles( File target, File metadataFile )
         throws ProxyException
     {
-        if ( target.exists() )
+        MetadataXpp3Reader reader = new MetadataXpp3Reader();
+        if ( metadataFile.exists() )
         {
-            MetadataXpp3Reader reader = new MetadataXpp3Reader();
+            Metadata metadata = null;
-            Metadata metadata;
+            if ( target.exists() )
-            FileReader fileReader = null;
-            try
             {
-                fileReader = new FileReader( target );
+                FileReader fileReader = null;
-                metadata = reader.read( fileReader );
+                try
-            }
+                {
-            catch ( XmlPullParserException e )
+                    fileReader = new FileReader( target );
-            {
+                    metadata = reader.read( fileReader );
-                throw new ProxyException( "Unable to parse existing metadata: " + e.getMessage(), e );
+                }
-            }
+                catch ( XmlPullParserException e )
-            catch ( IOException e )
+                {
-            {
+                    throw new ProxyException( "Unable to parse existing metadata: " + e.getMessage(), e );
-                throw new ProxyException( "Unable to read existing metadata: " + e.getMessage(), e );
+                }
-            }
+                catch ( IOException e )
-            finally
+                {
-            {
+                    throw new ProxyException( "Unable to read existing metadata: " + e.getMessage(), e );
-                IOUtil.close( fileReader );
+                }
+                finally
+                {
+                    IOUtil.close( fileReader );
+                }
             }
 
-            fileReader = null;
+            FileReader fileReader = null;
             boolean changed = false;
             try
             {
                 fileReader = new FileReader( metadataFile );
                 Metadata newMetadata = reader.read( fileReader );
 
-                changed = metadata.merge( newMetadata );
+                if ( metadata != null )
+                {
+                    changed = metadata.merge( newMetadata );
+                }
+                else
+                {
+                    metadata = newMetadata;
+                    changed = true;
+                }
             }
             catch ( IOException e )
             {
@@ -301,18 +312,6 @@ public class DefaultProxyRequestHandler
                 }
             }
         }
-        else
-        {
-            try
-            {
-                FileUtils.copyFile( metadataFile, target );
-            }
-            catch ( IOException e )
-            {
-                // warn, but ignore
-                getLogger().warn( "Unable to copy metadata: " + metadataFile + " to " + target );
-            }
-        }
     }
 
     private void getFileFromRepository( String path, ProxiedArtifactRepository repository, String repositoryCachePath,

maven-repository-proxy/src/test/java/org/apache/maven/repository/proxy/ProxyRequestHandlerTest.java

@@ -39,9 +39,11 @@ import java.net.MalformedURLException;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Calendar;
 import java.util.Collections;
 import java.util.Date;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Locale;
 
@@ -93,7 +95,8 @@ public class ProxyRequestHandlerTest
         factory = (ArtifactRepositoryFactory) lookup( ArtifactRepositoryFactory.ROLE );
 
         File repoLocation = getTestFile( "target/test-repository/managed" );
-        FileUtils.deleteDirectory( repoLocation );
+        // faster only to delete this one before copying, the others are done case by case
+        FileUtils.deleteDirectory( new File( repoLocation, "org/apache/maven/test/get-merged-metadata" ) );
         copyDirectoryStructure( getTestFile( "src/test/repositories/managed" ), repoLocation );
 
         defaultLayout = (ArtifactRepositoryLayout) lookup( ArtifactRepositoryLayout.ROLE, "default" );
@@ -136,6 +139,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-default-layout/1.0/get-default-layout-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        expectedFile.delete();
         assertFalse( expectedFile.exists() );
 
         File file = requestHandler.get( path, proxiedRepositories, defaultManagedRepository );
@@ -199,6 +203,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-in-both-proxies/1.0/get-in-both-proxies-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        expectedFile.delete();
         assertFalse( expectedFile.exists() );
 
         File file = requestHandler.get( path, proxiedRepositories, defaultManagedRepository );
@@ -221,6 +226,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-in-second-proxy/1.0/get-in-second-proxy-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        expectedFile.delete();
         assertFalse( expectedFile.exists() );
 
         File file = requestHandler.get( path, proxiedRepositories, defaultManagedRepository );
@@ -258,7 +264,7 @@ public class ProxyRequestHandlerTest
     {
         String path = "org/apache/maven/test/get-in-second-proxy/1.0/get-in-second-proxy-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path ).getAbsoluteFile();
-
+        expectedFile.delete();
         assertFalse( expectedFile.exists() );
 
         proxiedRepository1 = createRepository( "proxied1", "test://..." );
@@ -292,6 +298,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-in-second-proxy/1.0/get-in-second-proxy-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path ).getAbsoluteFile();
 
+        expectedFile.delete();
         assertFalse( expectedFile.exists() );
 
         proxiedRepository1 = createRepository( "proxied1", "test://..." );
@@ -334,6 +341,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-in-second-proxy/1.0/get-in-second-proxy-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path ).getAbsoluteFile();
 
+        expectedFile.delete();
         assertFalse( expectedFile.exists() );
 
         proxiedRepository1 = createRepository( "proxied1", "test://..." );
@@ -372,6 +380,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-in-both-proxies/1.0/get-in-both-proxies-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        expectedFile.delete();
         assertFalse( expectedFile.exists() );
 
         proxiedRepositories.clear();
@@ -402,6 +411,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-in-both-proxies/1.0/get-in-both-proxies-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        expectedFile.delete();
         assertFalse( expectedFile.exists() );
 
         proxiedRepositories.clear();
@@ -552,6 +562,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-default-layout/1.0/get-default-layout-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        expectedFile.delete();
         assertFalse( expectedFile.exists() );
 
         File file = requestHandler.get( path, proxiedRepositories, defaultManagedRepository );
@@ -569,6 +580,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-default-layout/1.0/get-default-layout-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        expectedFile.delete();
         assertFalse( expectedFile.exists() );
 
         proxiedRepository1 = createRepository( "proxied1", "test://..." );
@@ -619,6 +631,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-checksum-sha1-only/1.0/get-checksum-sha1-only-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        FileUtils.deleteDirectory( expectedFile.getParentFile() );
         assertFalse( expectedFile.exists() );
 
         proxiedRepository1 = createRepository( "proxied1", "test://..." );
@@ -656,6 +669,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-checksum-both-right/1.0/get-checksum-both-right-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        FileUtils.deleteDirectory( expectedFile.getParentFile() );
         assertFalse( expectedFile.exists() );
 
         File file = requestHandler.get( path, proxiedRepositories, defaultManagedRepository );
@@ -677,6 +691,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-checksum-sha1-only/1.0/get-checksum-sha1-only-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        FileUtils.deleteDirectory( expectedFile.getParentFile() );
         assertFalse( expectedFile.exists() );
 
         File file = requestHandler.get( path, proxiedRepositories, defaultManagedRepository );
@@ -698,6 +713,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-checksum-sha1-bad-md5/1.0/get-checksum-sha1-bad-md5-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        FileUtils.deleteDirectory( expectedFile.getParentFile() );
         assertFalse( expectedFile.exists() );
 
         File file = requestHandler.get( path, proxiedRepositories, defaultManagedRepository );
@@ -719,6 +735,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-checksum-md5-only/1.0/get-checksum-md5-only-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        FileUtils.deleteDirectory( expectedFile.getParentFile() );
         assertFalse( expectedFile.exists() );
 
         File file = requestHandler.get( path, proxiedRepositories, defaultManagedRepository );
@@ -740,6 +757,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-checksum-md5-bad-sha1/1.0/get-checksum-md5-bad-sha1-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        FileUtils.deleteDirectory( expectedFile.getParentFile() );
         assertFalse( expectedFile.exists() );
 
         File file = requestHandler.get( path, proxiedRepositories, defaultManagedRepository );
@@ -761,6 +779,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-default-layout/1.0/get-default-layout-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        expectedFile.delete();
         assertFalse( expectedFile.exists() );
 
         File file = requestHandler.get( path, proxiedRepositories, defaultManagedRepository );
@@ -778,6 +797,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-checksum-both-bad/1.0/get-checksum-both-bad-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        FileUtils.deleteDirectory( expectedFile.getParentFile() );
         assertFalse( expectedFile.exists() );
 
         try
@@ -802,6 +822,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-checksum-sha1-only/1.0/get-checksum-sha1-only-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        FileUtils.deleteDirectory( expectedFile.getParentFile() );
         assertFalse( expectedFile.exists() );
 
         proxiedRepository1 = createRepository( "proxied1", "test://..." );
@@ -900,6 +921,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-checksum-sha1-only/1.0/get-checksum-sha1-only-1.0.jar.sha1";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        FileUtils.deleteDirectory( expectedFile.getParentFile() );
         assertFalse( expectedFile.exists() );
 
         try
@@ -921,6 +943,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-checksum-sha1-only/1.0/get-checksum-sha1-only-1.0.jar.sha1";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        FileUtils.deleteDirectory( expectedFile.getParentFile() );
         assertFalse( expectedFile.exists() );
 
         try
@@ -937,7 +960,7 @@ public class ProxyRequestHandlerTest
     }
 
     public void testGetMetadataNotPresent()
-        throws ProxyException
+        throws ProxyException, IOException
     {
         String path = "org/apache/maven/test/dummy-artifact/1.0/maven-metadata.xml";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
@@ -963,12 +986,13 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-default-metadata/1.0/maven-metadata.xml";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        FileUtils.deleteDirectory( expectedFile.getParentFile() );
         assertFalse( expectedFile.exists() );
 
         File file = requestHandler.get( path, proxiedRepositories, defaultManagedRepository );
         assertEquals( "Check file matches", expectedFile, file );
         assertTrue( "Check file created", file.exists() );
-        String expectedContents = FileUtils.fileRead( new File( proxiedRepository1.getBasedir(), path ) );
+        String expectedContents = getExpectedMetadata( "get-default-metadata", "1.0" );
         assertEquals( "Check content matches", expectedContents, FileUtils.fileRead( file ) );
     }
 
@@ -984,21 +1008,10 @@ public class ProxyRequestHandlerTest
         assertEquals( "Check file matches", expectedFile, file );
         assertTrue( "Check file created", file.exists() );
 
-        StringWriter expectedContents = new StringWriter();
+        String expectedContents = getExpectedMetadata( "get-merged-metadata", getVersioning(
-        Metadata m = new Metadata();
+            Arrays.asList( new String[]{"0.9", "1.0", "2.0", "3.0", "5.0", "4.0"} ) ) );
-        m.setGroupId( "org.apache.maven.test" );
-        m.setArtifactId( "get-merged-metadata" );
-        m.setVersioning( new Versioning() );
-        m.getVersioning().addVersion( "0.9" );
-        m.getVersioning().addVersion( "1.0" );
-        m.getVersioning().addVersion( "2.0" );
-        m.getVersioning().addVersion( "3.0" );
-        m.getVersioning().addVersion( "5.0" );
-        m.getVersioning().addVersion( "4.0" );
-        m.setModelEncoding( null );
-        new MetadataXpp3Writer().write( expectedContents, m );
 
-        assertEquals( "Check content matches", expectedContents.toString(), FileUtils.fileRead( file ) );
+        assertEquals( "Check content matches", expectedContents, FileUtils.fileRead( file ) );
     }
 
     public void testGetMetadataRemovedFromProxies()
@@ -1079,17 +1092,10 @@ public class ProxyRequestHandlerTest
         assertEquals( "Check file matches", expectedFile, file );
         assertTrue( "Check file created", file.exists() );
 
-        StringWriter expectedContents = new StringWriter();
+        String expectedContents =
-        Metadata m = new Metadata();
+            getExpectedMetadata( "get-updated-metadata", getVersioning( Arrays.asList( new String[]{"1.0", "2.0"} ) ) );
-        m.setGroupId( "org.apache.maven.test" );
-        m.setArtifactId( "get-updated-metadata" );
-        m.setVersioning( new Versioning() );
-        m.getVersioning().addVersion( "1.0" );
-        m.getVersioning().addVersion( "2.0" );
-        m.setModelEncoding( null );
-        new MetadataXpp3Writer().write( expectedContents, m );
 
-        assertEquals( "Check content matches", expectedContents.toString(), FileUtils.fileRead( file ) );
+        assertEquals( "Check content matches", expectedContents, FileUtils.fileRead( file ) );
         assertFalse( "Check content doesn't match proxy version",
                      unexpectedContents.equals( FileUtils.fileRead( file ) ) );
     }
@@ -1111,19 +1117,10 @@ public class ProxyRequestHandlerTest
         assertEquals( "Check file matches", expectedFile, file );
         assertTrue( "Check file created", file.exists() );
 
-        StringWriter expectedContents = new StringWriter();
+        String expectedContents =
-        Metadata m = new Metadata();
+            getExpectedMetadata( "get-updated-metadata", "1.0-SNAPSHOT", getVersioning( "20050831.111213", 2 ) );
-        m.setGroupId( "org.apache.maven.test" );
-        m.setArtifactId( "get-updated-metadata" );
-        m.setVersion( "1.0-SNAPSHOT" );
-        m.setVersioning( new Versioning() );
-        m.getVersioning().setSnapshot( new Snapshot() );
-        m.getVersioning().getSnapshot().setTimestamp( "20050831.111213" );
-        m.getVersioning().getSnapshot().setBuildNumber( 2 );
-        m.setModelEncoding( null );
-        new MetadataXpp3Writer().write( expectedContents, m );
 
-        assertEquals( "Check content matches", expectedContents.toString(), FileUtils.fileRead( file ) );
+        assertEquals( "Check content matches", expectedContents, FileUtils.fileRead( file ) );
         assertFalse( "Check content doesn't match proxy version",
                      unexpectedContents.equals( FileUtils.fileRead( file ) ) );
     }
@@ -1166,16 +1163,9 @@ public class ProxyRequestHandlerTest
         assertEquals( "Check file matches", expectedFile, file );
         assertTrue( "Check file created", file.exists() );
 
-        StringWriter expectedContents = new StringWriter();
+        String expectedContents =
-        Metadata m = new Metadata();
+            getExpectedMetadata( "get-updated-metadata", getVersioning( Arrays.asList( new String[]{"1.0", "2.0"} ) ) );
-        m.setGroupId( "org.apache.maven.test" );
+        assertEquals( "Check content matches", expectedContents, FileUtils.fileRead( file ) );
-        m.setArtifactId( "get-updated-metadata" );
-        m.setVersioning( new Versioning() );
-        m.getVersioning().addVersion( "1.0" );
-        m.getVersioning().addVersion( "2.0" );
-        m.setModelEncoding( null );
-        new MetadataXpp3Writer().write( expectedContents, m );
-        assertEquals( "Check content matches", expectedContents.toString(), FileUtils.fileRead( file ) );
         assertFalse( "Check content doesn't match old version",
                      unexpectedContents.equals( FileUtils.fileRead( file ) ) );
     }
@@ -1193,22 +1183,16 @@ public class ProxyRequestHandlerTest
         assertEquals( "Check file matches", expectedFile, file );
         assertTrue( "Check file created", file.exists() );
 
-        StringWriter expectedContents = new StringWriter();
+        String expectedContents =
-        Metadata m = new Metadata();
+            getExpectedMetadata( "get-updated-metadata", getVersioning( Arrays.asList( new String[]{"1.0", "2.0"} ) ) );
-        m.setGroupId( "org.apache.maven.test" );
+
-        m.setArtifactId( "get-updated-metadata" );
+        assertEquals( "Check content matches", expectedContents, FileUtils.fileRead( file ) );
-        m.setVersioning( new Versioning() );
-        m.getVersioning().addVersion( "1.0" );
-        m.getVersioning().addVersion( "2.0" );
-        m.setModelEncoding( null );
-        new MetadataXpp3Writer().write( expectedContents, m );
-        assertEquals( "Check content matches", expectedContents.toString(), FileUtils.fileRead( file ) );
         assertFalse( "Check content doesn't match old version",
                      unexpectedContents.equals( FileUtils.fileRead( file ) ) );
     }
 
     public void testSnapshotNonExistant()
-        throws ProxyException
+        throws ProxyException, IOException
     {
         String path = "org/apache/maven/test/does-not-exist/1.0-SNAPSHOT/does-not-exist-1.0-SNAPSHOT.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
@@ -1234,6 +1218,7 @@ public class ProxyRequestHandlerTest
             "org/apache/maven/test/get-timestamped-snapshot/1.0-SNAPSHOT/get-timestamped-snapshot-1.0-SNAPSHOT.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        expectedFile.delete();
         assertFalse( expectedFile.exists() );
 
         File file = requestHandler.get( path, proxiedRepositories, defaultManagedRepository );
@@ -1332,6 +1317,7 @@ public class ProxyRequestHandlerTest
             "org/apache/maven/test/get-timestamped-snapshot-in-both/1.0-SNAPSHOT/get-timestamped-snapshot-in-both-1.0-SNAPSHOT.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        expectedFile.delete();
         assertFalse( expectedFile.exists() );
 
         File repoLocation = getTestFile( "target/test-repository/proxied2" );
@@ -1413,6 +1399,7 @@ public class ProxyRequestHandlerTest
             "org/apache/maven/test/get-timestamped-snapshot/1.0-SNAPSHOT/get-timestamped-snapshot-1.0-SNAPSHOT.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        expectedFile.delete();
         assertFalse( expectedFile.exists() );
 
         proxiedRepositories.clear();
@@ -1439,6 +1426,7 @@ public class ProxyRequestHandlerTest
             "org/apache/maven/test/get-metadata-snapshot/1.0-SNAPSHOT/get-metadata-snapshot-1.0-20050831.101112-1.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        expectedFile.delete();
         assertFalse( expectedFile.exists() );
 
         File file = requestHandler.get( path, proxiedRepositories, defaultManagedRepository );
@@ -1525,6 +1513,7 @@ public class ProxyRequestHandlerTest
         String path = "org/apache/maven/test/get-default-layout/1.0/get-default-layout-1.0.jar";
         File expectedFile = new File( defaultManagedRepository.getBasedir(), path );
 
+        expectedFile.delete();
         assertFalse( expectedFile.exists() );
 
         File file = requestHandler.get( path, legacyProxiedRepositories, defaultManagedRepository );
@@ -1605,6 +1594,54 @@ public class ProxyRequestHandlerTest
                       file.lastModified() );
     }
 
+    private static Versioning getVersioning( List versions )
+    {
+        Versioning versioning = new Versioning();
+        for ( Iterator i = versions.iterator(); i.hasNext(); )
+        {
+            String v = (String) i.next();
+            versioning.addVersion( v );
+        }
+        return versioning;
+    }
+
+    private static String getExpectedMetadata( String artifactId, Versioning versioning )
+        throws IOException
+    {
+        return getExpectedMetadata( artifactId, null, versioning );
+    }
+
+    private static String getExpectedMetadata( String artifactId, String version, Versioning versioning )
+        throws IOException
+    {
+        StringWriter expectedContents = new StringWriter();
+
+        Metadata m = new Metadata();
+        m.setGroupId( "org.apache.maven.test" );
+        m.setArtifactId( artifactId );
+        m.setVersion( version );
+        m.setVersioning( versioning );
+        m.setModelEncoding( null );
+
+        new MetadataXpp3Writer().write( expectedContents, m );
+        return expectedContents.toString();
+    }
+
+    private static String getExpectedMetadata( String artifactId, String version )
+        throws IOException
+    {
+        return getExpectedMetadata( artifactId, version, null );
+    }
+
+    private static Versioning getVersioning( String timestamp, int buildNumber )
+    {
+        Versioning versioning = new Versioning();
+        versioning.setSnapshot( new Snapshot() );
+        versioning.getSnapshot().setTimestamp( timestamp );
+        versioning.getSnapshot().setBuildNumber( buildNumber );
+        return versioning;
+    }
+
     private static Date getPastDate()
         throws ParseException
     {

maven-repository-proxy/src/test/repositories/proxied1/org/apache/maven/test/get-default-metadata/1.0/maven-metadata.xml

@@ -15,5 +15,7 @@
   -->
 
 <metadata>
-
+  <groupId>org.apache.maven.test</groupId>
+  <artifactId>get-default-metadata</artifactId>
+  <version>1.0</version>
 </metadata>