diff --git a/its/core-it-suite/src/test/java/org/apache/maven/it/IntegrationTestSuite.java b/its/core-it-suite/src/test/java/org/apache/maven/it/IntegrationTestSuite.java
index 3a5a51387e..770560d1d0 100644
--- a/its/core-it-suite/src/test/java/org/apache/maven/it/IntegrationTestSuite.java
+++ b/its/core-it-suite/src/test/java/org/apache/maven/it/IntegrationTestSuite.java
@@ -90,6 +90,7 @@ public class IntegrationTestSuite
// suite.addTestSuite( MavenIT0109ReleaseUpdateTest.class );
// suite.addTestSuite( MavenIT0108SnapshotUpdateTest.class ); -- MNG-3137
+ suite.addTestSuite( MavenITmng4000MultiPluginExecutionsTest.class );
suite.addTestSuite( MavenITmng3998PluginExecutionConfigTest.class );
suite.addTestSuite( MavenITmng3983PluginResolutionFromProfileReposTest.class );
suite.addTestSuite( MavenITmng3979ElementJoinTest.class );
diff --git a/its/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng4000MultiPluginExecutionsTest.java b/its/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng4000MultiPluginExecutionsTest.java
new file mode 100644
index 0000000000..e67e443747
--- /dev/null
+++ b/its/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng4000MultiPluginExecutionsTest.java
@@ -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 org.apache.maven.it.Verifier;
+import org.apache.maven.it.util.ResourceExtractor;
+
+import java.io.File;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * This is a test set for MNG-4000.
+ *
+ * @author Benjamin Bentmann
+ * @version $Id$
+ */
+public class MavenITmng4000MultiPluginExecutionsTest
+ extends AbstractMavenIntegrationTestCase
+{
+
+ public MavenITmng4000MultiPluginExecutionsTest()
+ {
+ super();
+ }
+
+ /**
+ * Test that plugin executions without id are not lost among other plugin executions when no
+ * is present.
+ */
+ public void testitWithoutPluginMngt()
+ throws Exception
+ {
+ File testDir = ResourceExtractor.simpleExtractResources( getClass(), "/mng-4000/test-1" );
+
+ Verifier verifier = new Verifier( testDir.getAbsolutePath() );
+ verifier.setAutoclean( false );
+ verifier.deleteDirectory( "target" );
+ verifier.executeGoal( "validate" );
+ verifier.verifyErrorFreeLog();
+ verifier.resetStreams();
+
+ List executions = verifier.loadLines( "target/exec.log", "UTF-8" );
+ List expected = Arrays.asList( new String[] { "exec", "exec" } );
+ assertEquals( expected, executions );
+ }
+
+ /**
+ * Test that plugin executions without id are not lost among other plugin executions when
+ * is present.
+ */
+ public void testitWithPluginMngt()
+ throws Exception
+ {
+ File testDir = ResourceExtractor.simpleExtractResources( getClass(), "/mng-4000/test-2" );
+
+ Verifier verifier = new Verifier( testDir.getAbsolutePath() );
+ verifier.setAutoclean( false );
+ verifier.deleteDirectory( "target" );
+ verifier.executeGoal( "validate" );
+ verifier.verifyErrorFreeLog();
+ verifier.resetStreams();
+
+ List executions = verifier.loadLines( "target/exec.log", "UTF-8" );
+ List expected = Arrays.asList( new String[] { "exec", "exec" } );
+ assertEquals( expected, executions );
+ }
+
+}
diff --git a/its/core-it-suite/src/test/resources/mng-4000/test-1/pom.xml b/its/core-it-suite/src/test/resources/mng-4000/test-1/pom.xml
new file mode 100644
index 0000000000..9fcf91b16d
--- /dev/null
+++ b/its/core-it-suite/src/test/resources/mng-4000/test-1/pom.xml
@@ -0,0 +1,64 @@
+
+
+
+
+
+ 4.0.0
+
+ org.apache.maven.its.mng4000
+ test1
+ 0.1
+
+ Maven Integration Test :: MNG-4000
+
+ Test that plugin executions without id are not lost among other plugin executions.
+
+
+
+
+
+
+ org.apache.maven.its.plugins
+ maven-it-plugin-log-file
+ 2.1-SNAPSHOT
+
+ target/exec.log
+ exec
+
+
+
+ exec-1
+ validate
+
+ log-string
+
+
+
+
+ validate
+
+ log-string
+
+
+
+
+
+
+
diff --git a/its/core-it-suite/src/test/resources/mng-4000/test-2/pom.xml b/its/core-it-suite/src/test/resources/mng-4000/test-2/pom.xml
new file mode 100644
index 0000000000..4cbab22e5b
--- /dev/null
+++ b/its/core-it-suite/src/test/resources/mng-4000/test-2/pom.xml
@@ -0,0 +1,72 @@
+
+
+
+
+
+ 4.0.0
+
+ org.apache.maven.its.mng4000
+ test2
+ 0.1
+
+ Maven Integration Test :: MNG-4000
+
+ Test that plugin executions without id are not lost among other plugin executions.
+
+
+
+
+
+
+
+ org.apache.maven.its.plugins
+ maven-it-plugin-log-file
+ 2.1-SNAPSHOT
+
+
+
+
+
+ org.apache.maven.its.plugins
+ maven-it-plugin-log-file
+
+ target/exec.log
+ exec
+
+
+
+ exec-1
+ validate
+
+ log-string
+
+
+
+
+ validate
+
+ log-string
+
+
+
+
+
+
+