Index: core-it-suite/src/test/java/org/apache/maven/it/IntegrationTestSuite.java
===================================================================
--- core-it-suite/src/test/java/org/apache/maven/it/IntegrationTestSuite.java	(revision 782523)
+++ core-it-suite/src/test/java/org/apache/maven/it/IntegrationTestSuite.java	(working copy)
@@ -91,6 +91,7 @@
         // suite.addTestSuite( MavenIT0109ReleaseUpdateTest.class );
         // suite.addTestSuite( MavenIT0108SnapshotUpdateTest.class ); -- MNG-3137
 
+        suite.addTestSuite( MavenITmng4189UniqueVersionSnapshotTest.class );
         suite.addTestSuite( MavenITmng4180PerDependencyExclusionsTest.class );
         suite.addTestSuite( MavenITmng4172EmptyDependencySetTest.class );
         suite.addTestSuite( MavenITmng4150VersionRangeTest.class );
Index: core-it-suite/src/test/java/org/apache/maven/it/MavenITmng4189UniqueVersionSnapshotTest.java
===================================================================
--- core-it-suite/src/test/java/org/apache/maven/it/MavenITmng4189UniqueVersionSnapshotTest.java	(revision 0)
+++ core-it-suite/src/test/java/org/apache/maven/it/MavenITmng4189UniqueVersionSnapshotTest.java	(revision 0)
@@ -0,0 +1,86 @@
+package org.apache.maven.it;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.io.File;
+import java.util.Properties;
+
+import org.apache.maven.it.util.ResourceExtractor;
+
+/**
+ * 
+ * @author <a href="mailto:oching@apache.org">Maria Odea Ching</a>
+ */
+public class MavenITmng4189UniqueVersionSnapshotTest
+    extends AbstractMavenIntegrationTestCase
+{
+    public MavenITmng4189UniqueVersionSnapshotTest()
+    {
+        super( "[2.1.1,)" );
+    }
+
+    public void testmng4189()
+        throws Exception
+    {
+        File testDir = ResourceExtractor.simpleExtractResources( getClass(), "/mng-4189" );
+
+        Verifier verifier = new Verifier( testDir.getAbsolutePath() );
+        verifier.setAutoclean( false );
+        verifier.deleteDirectory( "target" );
+        verifier.deleteArtifacts( "org.apache.maven.its.mng4189" );
+        Properties filterProps = verifier.newDefaultFilterProperties();
+        verifier.filterFile( "settings-template.xml", "settings.xml", "UTF-8", filterProps );
+        verifier.getCliOptions().add( "--settings" );
+        verifier.getCliOptions().add( "settings.xml" );
+        
+        // depend on org.apache.maven.its.mng4189:dep:1.0-20090608.090416-1:jar 
+        //      which contains add() method
+        verifier.executeGoal( "compile" );
+        verifier.verifyErrorFreeLog();
+       
+        verifier.deleteDirectory( "target" );
+        verifier.getCliOptions().add( "-f" );
+        verifier.getCliOptions().add( "dependent-on-newer-timestamp-pom.xml" );
+        try
+        {
+         // depend on org.apache.maven.its.mng4189:dep:1.0-20090608.090532-2-1:jar 
+         //     which DOES NOT contains add() method
+            verifier.executeGoal( "compile" );
+            fail( "Build should have failed due to compile errors!" );
+        }
+        catch ( VerificationException e )
+        {
+            assertTrue( true );
+        }
+        verifier.verifyTextInLog( "org.apache.maven.plugin.CompilationFailureException: Compilation failure" );
+        
+        verifier.deleteDirectory( "target" );
+        
+        // revert back to org.apache.maven.its.mng4189:dep:1.0-20090608.090416-1:jar 
+        //      which contains the add() method
+        verifier.getCliOptions().remove( "-f" );
+        verifier.getCliOptions().remove( "dependent-on-newer-timestamp-pom.xml" );
+        verifier.executeGoal( "compile" );
+        verifier.verifyErrorFreeLog();
+        verifier.resetStreams();
+
+        verifier.deleteArtifacts( "org.apache.maven.its.mng4189" );
+    }
+}
Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/maven-metadata.xml
===================================================================
--- core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/maven-metadata.xml	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/maven-metadata.xml	(revision 0)
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?><metadata>
+  <groupId>org.apache.maven.its.mng4189</groupId>
+  <artifactId>dep</artifactId>
+  <versioning>
+    <latest>1.0-SNAPSHOT</latest>
+    <versions>
+      <version>1.0-SNAPSHOT</version>
+    </versions>
+    <lastUpdated>20090608090532</lastUpdated>
+  </versioning>
+</metadata>
\ No newline at end of file
Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/maven-metadata.xml.md5
===================================================================
--- core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/maven-metadata.xml.md5	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/maven-metadata.xml.md5	(revision 0)
@@ -0,0 +1 @@
+0661ee360a4b3d363c51a1f7a283252f
\ No newline at end of file
Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.jar.sha1
===================================================================
--- core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.jar.sha1	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.jar.sha1	(revision 0)
@@ -0,0 +1 @@
+835979c28041014c5fd55daa15302d92976924a7
\ No newline at end of file
Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.jar.sha1
===================================================================
--- core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.jar.sha1	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.jar.sha1	(revision 0)
@@ -0,0 +1 @@
+da2e54f69a9ba120f9211c476029f049967d840c
\ No newline at end of file
Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/maven-metadata.xml
===================================================================
--- core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/maven-metadata.xml	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/maven-metadata.xml	(revision 0)
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?><metadata>
+  <groupId>org.apache.maven.its.mng4189</groupId>
+  <artifactId>dep</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <versioning>
+    <snapshot>
+      <timestamp>20090608.090532</timestamp>
+      <buildNumber>2</buildNumber>
+    </snapshot>
+    <lastUpdated>20090608090532</lastUpdated>
+  </versioning>
+</metadata>
\ No newline at end of file
Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.jar
===================================================================
Cannot display: file marked as a binary type.
svn:mime-type = application/octet-stream

Property changes on: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.jar
___________________________________________________________________
Name: svn:mime-type
   + application/octet-stream

Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.jar
===================================================================
Cannot display: file marked as a binary type.
svn:mime-type = application/octet-stream

Property changes on: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.jar
___________________________________________________________________
Name: svn:mime-type
   + application/octet-stream

Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.pom.md5
===================================================================
--- core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.pom.md5	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.pom.md5	(revision 0)
@@ -0,0 +1 @@
+b74977119bedc9d0cc95106ce02aca9d
\ No newline at end of file
Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.pom.md5
===================================================================
--- core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.pom.md5	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.pom.md5	(revision 0)
@@ -0,0 +1 @@
+b74977119bedc9d0cc95106ce02aca9d
\ No newline at end of file
Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.pom.sha1
===================================================================
--- core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.pom.sha1	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.pom.sha1	(revision 0)
@@ -0,0 +1 @@
+dcbeb7945db96ced5ae221f1174bfa43c169440f
\ No newline at end of file
Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.pom.sha1
===================================================================
--- core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.pom.sha1	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.pom.sha1	(revision 0)
@@ -0,0 +1 @@
+dcbeb7945db96ced5ae221f1174bfa43c169440f
\ No newline at end of file
Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.pom
===================================================================
--- core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.pom	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.pom	(revision 0)
@@ -0,0 +1,10 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>org.apache.maven.its.mng4189</groupId>
+  <artifactId>dep</artifactId>
+  <packaging>jar</packaging>
+  <version>1.0-SNAPSHOT</version>
+  <name>dep</name>
+  <url>http://maven.apache.org</url>
+</project>
Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.pom
===================================================================
--- core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.pom	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.pom	(revision 0)
@@ -0,0 +1,10 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>org.apache.maven.its.mng4189</groupId>
+  <artifactId>dep</artifactId>
+  <packaging>jar</packaging>
+  <version>1.0-SNAPSHOT</version>
+  <name>dep</name>
+  <url>http://maven.apache.org</url>
+</project>
Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/maven-metadata.xml.md5
===================================================================
--- core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/maven-metadata.xml.md5	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/maven-metadata.xml.md5	(revision 0)
@@ -0,0 +1 @@
+02a79824a797b67f4c7ee3019687a84f
\ No newline at end of file
Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.jar.md5
===================================================================
--- core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.jar.md5	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090416-1.jar.md5	(revision 0)
@@ -0,0 +1 @@
+cbe6e46353d3d8d14f480c9a403bd706
\ No newline at end of file
Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.jar.md5
===================================================================
--- core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.jar.md5	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/dep-1.0-20090608.090532-2.jar.md5	(revision 0)
@@ -0,0 +1 @@
+f56c715de5d77b29ede595d345f5db5d
\ No newline at end of file
Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/maven-metadata.xml.sha1
===================================================================
--- core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/maven-metadata.xml.sha1	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/1.0-SNAPSHOT/maven-metadata.xml.sha1	(revision 0)
@@ -0,0 +1 @@
+6d574f3546b5ea8307e5019861460f291d276edf
\ No newline at end of file
Index: core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/maven-metadata.xml.sha1
===================================================================
--- core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/maven-metadata.xml.sha1	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/repo/org/apache/maven/its/mng4189/dep/maven-metadata.xml.sha1	(revision 0)
@@ -0,0 +1 @@
+12b031f7e8914001ab5417919bead805563eb73c
\ No newline at end of file
Index: core-it-suite/src/test/resources/mng-4189/dependent-on-newer-timestamp-pom.xml
===================================================================
--- core-it-suite/src/test/resources/mng-4189/dependent-on-newer-timestamp-pom.xml	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/dependent-on-newer-timestamp-pom.xml	(revision 0)
@@ -0,0 +1,17 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>org.apache.maven.its.mng4189</groupId>
+  <artifactId>consumer</artifactId>
+  <packaging>jar</packaging>
+  <version>1.0-SNAPSHOT</version>
+  <name>consumer</name>
+  <url>http://maven.apache.org</url>
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.maven.its.mng4189</groupId>
+      <artifactId>dep</artifactId>
+      <version>1.0-20090608.090532-2</version>
+    </dependency>
+  </dependencies>
+</project>
Index: core-it-suite/src/test/resources/mng-4189/src/main/java/org/apache/maven/its/mng4189/App.java
===================================================================
--- core-it-suite/src/test/resources/mng-4189/src/main/java/org/apache/maven/its/mng4189/App.java	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/src/main/java/org/apache/maven/its/mng4189/App.java	(revision 0)
@@ -0,0 +1,36 @@
+package org.apache.maven.its.mng4189;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import org.apache.maven.its.mng4189.dep.Calculator;
+
+/**
+ * Sample project
+ */
+public class App 
+{
+    public void testDependency()
+    {
+        Calculator calculator = new Calculator();
+        int total = calculator.add( 1, 2 );
+        
+        System.out.println( "Total : " + total );
+    }
+}
Index: core-it-suite/src/test/resources/mng-4189/settings-template.xml
===================================================================
--- core-it-suite/src/test/resources/mng-4189/settings-template.xml	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/settings-template.xml	(revision 0)
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<settings>
+  <profiles>
+    <profile>
+      <id>maven-core-it-repo</id>
+      <repositories>
+        <repository>
+          <id>maven-core-it</id>
+          <url>@baseurl@/repo</url>
+          <releases>
+            <checksumPolicy>ignore</checksumPolicy>
+            <enabled>false</enabled>
+          </releases>
+          <snapshots>
+            <enabled>true</enabled>
+            <checksumPolicy>ignore</checksumPolicy>
+          </snapshots>
+        </repository>
+      </repositories>
+    </profile>
+  </profiles>
+  <activeProfiles>
+    <activeProfile>maven-core-it-repo</activeProfile>
+  </activeProfiles>
+</settings>
\ No newline at end of file
Index: core-it-suite/src/test/resources/mng-4189/pom.xml
===================================================================
--- core-it-suite/src/test/resources/mng-4189/pom.xml	(revision 0)
+++ core-it-suite/src/test/resources/mng-4189/pom.xml	(revision 0)
@@ -0,0 +1,17 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>org.apache.maven.its.mng4189</groupId>
+  <artifactId>consumer</artifactId>
+  <packaging>jar</packaging>
+  <version>1.0-SNAPSHOT</version>
+  <name>consumer</name>
+  <url>http://maven.apache.org</url>
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.maven.its.mng4189</groupId>
+      <artifactId>dep</artifactId>
+      <version>1.0-20090608.090416-1</version>
+    </dependency>
+  </dependencies>
+</project>