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Posted to commits@maven.apache.org by rf...@apache.org on 2019/04/14 12:26:03 UTC

[maven-shade-plugin] 01/01: [MSHADE-313] Minimize jar should respect implementations under /META-INF/services/

This is an automated email from the ASF dual-hosted git repository.

rfscholte pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/maven-shade-plugin.git

commit 8278c9f28d94f8af6d98655b3db7bd295b9785aa
Author: rfscholte <rf...@apache.org>
AuthorDate: Sun Apr 14 14:25:51 2019 +0200

    [MSHADE-313] Minimize jar should respect implementations under /META-INF/services/
---
 pom.xml                                            |   6 +-
 .../dependency-service}/pom.xml                    |   2 +-
 .../src/main/java/DependencyReferencedClass.java}  |   6 +-
 .../src/main/java/DependencyServiceClass.java}     |   7 +-
 .../src/main/java/DependencyServiceInterface.java} |   6 +-
 .../main/java/DependencyUnreferencedClass.java}    |   6 +-
 .../META-INF/services/DependencyServiceInterface}  |   2 +-
 .../invoker.properties                             |   0
 .../pom.xml                                        |   4 +-
 .../test/pom.xml                                   |   8 +-
 .../test/src/main/java/Main.java                   |   9 +-
 .../unused-service}/pom.xml                        |   2 +-
 .../src/main/java/UnusedServiceClass.java}         |   2 +-
 .../src/main/java/UnusedServiceInterface.java}     |   2 +-
 .../META-INF/services/UnusedServiceInterface}      |   2 +-
 .../used-service}/pom.xml                          |  10 +-
 .../src/main/java/SomeReferencedClass.java         |   9 +-
 .../src/main/java/SomeServiceClass.java            |   0
 .../src/main/java/SomeServiceInterface.java        |   0
 .../src/main/java/SomeUnreferencedClass.java       |   0
 .../META-INF/services/SomeServiceInterface         |   0
 .../verify.bsh                                     |  12 ++-
 .../maven/plugins/shade/filter/MinijarFilter.java  | 108 ++++++++++++---------
 23 files changed, 124 insertions(+), 79 deletions(-)

diff --git a/pom.xml b/pom.xml
index a960b8a..0cd2884 100644
--- a/pom.xml
+++ b/pom.xml
@@ -208,12 +208,8 @@
               <exclude>src/it/rerun-with-reloc/src/main/resources/some-ordinary-resource.txt</exclude>
               <exclude>src/it/rerun-without-reloc/src/main/resources/some-ordinary-resource.txt</exclude>
               <exclude>src/it/MSHADE-182/src/main/resources/META-INF/services/relocateme.Service</exclude>
-              <exclude>src/it/MSHADE-182/target/classes/META-INF/services/relocateme.Service</exclude>
-              <exclude>src/it/MSHADE-182/build.log</exclude>
-              <exclude>src/it/MSHADE-313/service/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst</exclude>
-              <exclude>src/it/MSHADE-313/service/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst</exclude>
             </excludes>
-          </configuration>
+         </configuration>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
diff --git a/src/it/MSHADE-313/service/pom.xml b/src/it/MSHADE-313_minimized-services/dependency-service/pom.xml
similarity index 95%
copy from src/it/MSHADE-313/service/pom.xml
copy to src/it/MSHADE-313_minimized-services/dependency-service/pom.xml
index 3dc87e2..9c589d5 100644
--- a/src/it/MSHADE-313/service/pom.xml
+++ b/src/it/MSHADE-313_minimized-services/dependency-service/pom.xml
@@ -23,6 +23,6 @@ under the License.
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>org.apache.maven.its.shade.mj</groupId>
-  <artifactId>service</artifactId>
+  <artifactId>dependency-service</artifactId>
   <version>1.0</version>
 </project>
diff --git a/src/it/MSHADE-313/test/src/main/java/Main.java b/src/it/MSHADE-313_minimized-services/dependency-service/src/main/java/DependencyReferencedClass.java
similarity index 94%
copy from src/it/MSHADE-313/test/src/main/java/Main.java
copy to src/it/MSHADE-313_minimized-services/dependency-service/src/main/java/DependencyReferencedClass.java
index 293e02c..4c0bc26 100644
--- a/src/it/MSHADE-313/test/src/main/java/Main.java
+++ b/src/it/MSHADE-313_minimized-services/dependency-service/src/main/java/DependencyReferencedClass.java
@@ -6,9 +6,9 @@
  * 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
@@ -17,6 +17,6 @@
  * under the License.
  */
 
-public class Main
+public class DependencyReferencedClass
 {
 }
diff --git a/src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java b/src/it/MSHADE-313_minimized-services/dependency-service/src/main/java/DependencyServiceClass.java
similarity index 84%
copy from src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java
copy to src/it/MSHADE-313_minimized-services/dependency-service/src/main/java/DependencyServiceClass.java
index afc0f5f..8820be7 100644
--- a/src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java
+++ b/src/it/MSHADE-313_minimized-services/dependency-service/src/main/java/DependencyServiceClass.java
@@ -6,9 +6,9 @@
  * 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
@@ -17,6 +17,7 @@
  * under the License.
  */
 
-public class SomeReferencedClass
+public class DependencyServiceClass implements DependencyServiceInterface
 {
+    private static DependencyReferencedClass anEssentialDependency;
 }
diff --git a/src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java b/src/it/MSHADE-313_minimized-services/dependency-service/src/main/java/DependencyServiceInterface.java
similarity index 94%
copy from src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java
copy to src/it/MSHADE-313_minimized-services/dependency-service/src/main/java/DependencyServiceInterface.java
index afc0f5f..b32026a 100644
--- a/src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java
+++ b/src/it/MSHADE-313_minimized-services/dependency-service/src/main/java/DependencyServiceInterface.java
@@ -6,9 +6,9 @@
  * 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
@@ -17,6 +17,6 @@
  * under the License.
  */
 
-public class SomeReferencedClass
+public interface DependencyServiceInterface
 {
 }
diff --git a/src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java b/src/it/MSHADE-313_minimized-services/dependency-service/src/main/java/DependencyUnreferencedClass.java
similarity index 94%
copy from src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java
copy to src/it/MSHADE-313_minimized-services/dependency-service/src/main/java/DependencyUnreferencedClass.java
index afc0f5f..20d838c 100644
--- a/src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java
+++ b/src/it/MSHADE-313_minimized-services/dependency-service/src/main/java/DependencyUnreferencedClass.java
@@ -6,9 +6,9 @@
  * 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
@@ -17,6 +17,6 @@
  * under the License.
  */
 
-public class SomeReferencedClass
+public class DependencyUnreferencedClass
 {
 }
diff --git a/src/it/MSHADE-313/service/src/main/resources/META-INF/services/SomeServiceInterface b/src/it/MSHADE-313_minimized-services/dependency-service/src/main/resources/META-INF/services/DependencyServiceInterface
similarity index 88%
copy from src/it/MSHADE-313/service/src/main/resources/META-INF/services/SomeServiceInterface
copy to src/it/MSHADE-313_minimized-services/dependency-service/src/main/resources/META-INF/services/DependencyServiceInterface
index 5af3e8e..2b68806 100644
--- a/src/it/MSHADE-313/service/src/main/resources/META-INF/services/SomeServiceInterface
+++ b/src/it/MSHADE-313_minimized-services/dependency-service/src/main/resources/META-INF/services/DependencyServiceInterface
@@ -16,5 +16,5 @@
 # specific language governing permissions and limitations
 # under the License.
 #
-	SomeServiceClass # Please do not remove comments or whitespace; they are part of the IT test.
+	DependencyServiceClass # Please do not remove comments or whitespace; they are part of the IT test.
 
diff --git a/src/it/MSHADE-313/invoker.properties b/src/it/MSHADE-313_minimized-services/invoker.properties
similarity index 100%
rename from src/it/MSHADE-313/invoker.properties
rename to src/it/MSHADE-313_minimized-services/invoker.properties
diff --git a/src/it/MSHADE-313/pom.xml b/src/it/MSHADE-313_minimized-services/pom.xml
similarity index 91%
rename from src/it/MSHADE-313/pom.xml
rename to src/it/MSHADE-313_minimized-services/pom.xml
index 0eab97c..543e162 100644
--- a/src/it/MSHADE-313/pom.xml
+++ b/src/it/MSHADE-313_minimized-services/pom.xml
@@ -33,7 +33,9 @@ under the License.
   </description>
 
   <modules>
-    <module>service</module>
+    <module>unused-service</module>
+    <module>used-service</module>
+    <module>dependency-service</module>
     <module>test</module>
   </modules>
 </project>
diff --git a/src/it/MSHADE-313/test/pom.xml b/src/it/MSHADE-313_minimized-services/test/pom.xml
similarity index 90%
rename from src/it/MSHADE-313/test/pom.xml
rename to src/it/MSHADE-313_minimized-services/test/pom.xml
index b0ecdaa..cb51ef6 100644
--- a/src/it/MSHADE-313/test/pom.xml
+++ b/src/it/MSHADE-313_minimized-services/test/pom.xml
@@ -29,7 +29,13 @@ under the License.
   <dependencies>
     <dependency>
       <groupId>org.apache.maven.its.shade.mj</groupId>
-      <artifactId>service</artifactId>
+      <artifactId>unused-service</artifactId>
+      <version>1.0</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.maven.its.shade.mj</groupId>
+      <artifactId>used-service</artifactId>
       <version>1.0</version>
     </dependency>
   </dependencies>
diff --git a/src/it/MSHADE-313/test/src/main/java/Main.java b/src/it/MSHADE-313_minimized-services/test/src/main/java/Main.java
similarity index 84%
rename from src/it/MSHADE-313/test/src/main/java/Main.java
rename to src/it/MSHADE-313_minimized-services/test/src/main/java/Main.java
index 293e02c..3f22717 100644
--- a/src/it/MSHADE-313/test/src/main/java/Main.java
+++ b/src/it/MSHADE-313_minimized-services/test/src/main/java/Main.java
@@ -6,9 +6,9 @@
  * 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
@@ -17,6 +17,11 @@
  * under the License.
  */
 
+import java.util.ServiceLoader;
+
 public class Main
 {
+    public static void main( String[] args ) {
+        ServiceLoader.load( SomeServiceInterface.class );
+    }
 }
diff --git a/src/it/MSHADE-313/service/pom.xml b/src/it/MSHADE-313_minimized-services/unused-service/pom.xml
similarity index 95%
copy from src/it/MSHADE-313/service/pom.xml
copy to src/it/MSHADE-313_minimized-services/unused-service/pom.xml
index 3dc87e2..3058161 100644
--- a/src/it/MSHADE-313/service/pom.xml
+++ b/src/it/MSHADE-313_minimized-services/unused-service/pom.xml
@@ -23,6 +23,6 @@ under the License.
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>org.apache.maven.its.shade.mj</groupId>
-  <artifactId>service</artifactId>
+  <artifactId>unused-service</artifactId>
   <version>1.0</version>
 </project>
diff --git a/src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java b/src/it/MSHADE-313_minimized-services/unused-service/src/main/java/UnusedServiceClass.java
similarity index 92%
copy from src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java
copy to src/it/MSHADE-313_minimized-services/unused-service/src/main/java/UnusedServiceClass.java
index afc0f5f..893d019 100644
--- a/src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java
+++ b/src/it/MSHADE-313_minimized-services/unused-service/src/main/java/UnusedServiceClass.java
@@ -17,6 +17,6 @@
  * under the License.
  */
 
-public class SomeReferencedClass
+public class UnusedServiceClass implements UnusedServiceInterface
 {
 }
diff --git a/src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java b/src/it/MSHADE-313_minimized-services/unused-service/src/main/java/UnusedServiceInterface.java
similarity index 95%
copy from src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java
copy to src/it/MSHADE-313_minimized-services/unused-service/src/main/java/UnusedServiceInterface.java
index afc0f5f..f1654b6 100644
--- a/src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java
+++ b/src/it/MSHADE-313_minimized-services/unused-service/src/main/java/UnusedServiceInterface.java
@@ -17,6 +17,6 @@
  * under the License.
  */
 
-public class SomeReferencedClass
+public interface UnusedServiceInterface
 {
 }
diff --git a/src/it/MSHADE-313/service/src/main/resources/META-INF/services/SomeServiceInterface b/src/it/MSHADE-313_minimized-services/unused-service/src/main/resources/META-INF/services/UnusedServiceInterface
similarity index 89%
copy from src/it/MSHADE-313/service/src/main/resources/META-INF/services/SomeServiceInterface
copy to src/it/MSHADE-313_minimized-services/unused-service/src/main/resources/META-INF/services/UnusedServiceInterface
index 5af3e8e..1dd5c84 100644
--- a/src/it/MSHADE-313/service/src/main/resources/META-INF/services/SomeServiceInterface
+++ b/src/it/MSHADE-313_minimized-services/unused-service/src/main/resources/META-INF/services/UnusedServiceInterface
@@ -16,5 +16,5 @@
 # specific language governing permissions and limitations
 # under the License.
 #
-	SomeServiceClass # Please do not remove comments or whitespace; they are part of the IT test.
+	UnusedServiceClass # Please do not remove comments or whitespace; they are part of the IT test.
 
diff --git a/src/it/MSHADE-313/service/pom.xml b/src/it/MSHADE-313_minimized-services/used-service/pom.xml
similarity index 79%
rename from src/it/MSHADE-313/service/pom.xml
rename to src/it/MSHADE-313_minimized-services/used-service/pom.xml
index 3dc87e2..342cf2d 100644
--- a/src/it/MSHADE-313/service/pom.xml
+++ b/src/it/MSHADE-313_minimized-services/used-service/pom.xml
@@ -23,6 +23,14 @@ under the License.
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>org.apache.maven.its.shade.mj</groupId>
-  <artifactId>service</artifactId>
+  <artifactId>used-service</artifactId>
   <version>1.0</version>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.maven.its.shade.mj</groupId>
+      <artifactId>dependency-service</artifactId>
+      <version>1.0</version>
+    </dependency>
+  </dependencies>
 </project>
diff --git a/src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java b/src/it/MSHADE-313_minimized-services/used-service/src/main/java/SomeReferencedClass.java
similarity index 87%
rename from src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java
rename to src/it/MSHADE-313_minimized-services/used-service/src/main/java/SomeReferencedClass.java
index afc0f5f..6430d7f 100644
--- a/src/it/MSHADE-313/service/src/main/java/SomeReferencedClass.java
+++ b/src/it/MSHADE-313_minimized-services/used-service/src/main/java/SomeReferencedClass.java
@@ -6,9 +6,9 @@
  * 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
@@ -17,6 +17,11 @@
  * under the License.
  */
 
+import java.util.ServiceLoader;
+
 public class SomeReferencedClass
 {
+    {
+        ServiceLoader.load( DependencyServiceInterface.class );
+    }
 }
diff --git a/src/it/MSHADE-313/service/src/main/java/SomeServiceClass.java b/src/it/MSHADE-313_minimized-services/used-service/src/main/java/SomeServiceClass.java
similarity index 100%
rename from src/it/MSHADE-313/service/src/main/java/SomeServiceClass.java
rename to src/it/MSHADE-313_minimized-services/used-service/src/main/java/SomeServiceClass.java
diff --git a/src/it/MSHADE-313/service/src/main/java/SomeServiceInterface.java b/src/it/MSHADE-313_minimized-services/used-service/src/main/java/SomeServiceInterface.java
similarity index 100%
rename from src/it/MSHADE-313/service/src/main/java/SomeServiceInterface.java
rename to src/it/MSHADE-313_minimized-services/used-service/src/main/java/SomeServiceInterface.java
diff --git a/src/it/MSHADE-313/service/src/main/java/SomeUnreferencedClass.java b/src/it/MSHADE-313_minimized-services/used-service/src/main/java/SomeUnreferencedClass.java
similarity index 100%
rename from src/it/MSHADE-313/service/src/main/java/SomeUnreferencedClass.java
rename to src/it/MSHADE-313_minimized-services/used-service/src/main/java/SomeUnreferencedClass.java
diff --git a/src/it/MSHADE-313/service/src/main/resources/META-INF/services/SomeServiceInterface b/src/it/MSHADE-313_minimized-services/used-service/src/main/resources/META-INF/services/SomeServiceInterface
similarity index 100%
rename from src/it/MSHADE-313/service/src/main/resources/META-INF/services/SomeServiceInterface
rename to src/it/MSHADE-313_minimized-services/used-service/src/main/resources/META-INF/services/SomeServiceInterface
diff --git a/src/it/MSHADE-313/verify.bsh b/src/it/MSHADE-313_minimized-services/verify.bsh
similarity index 78%
rename from src/it/MSHADE-313/verify.bsh
rename to src/it/MSHADE-313_minimized-services/verify.bsh
index e3c5d32..2a58a84 100644
--- a/src/it/MSHADE-313/verify.bsh
+++ b/src/it/MSHADE-313_minimized-services/verify.bsh
@@ -22,14 +22,22 @@ import java.util.jar.*;
 String[] wanted =
 {
     "Main.class",
+    "META-INF/services/SomeServiceInterface",
     "SomeServiceInterface.class",
     "SomeServiceClass.class",
-    "SomeReferencedClass.class"
+    "SomeReferencedClass.class",
+    "META-INF/services/DependencyServiceInterface",
+    "DependencyServiceInterface.class",
+    "DependencyServiceClass.class",
+    "DependencyReferencedClass.class"
 };
 
 String[] unwanted =
 {
-    "SomeUnreferencedClass.class"
+    "UnusedServiceInterface.class",
+    "UnusedServiceClass.class",
+    "SomeUnreferencedClass.class",
+    "DependencyUnreferencedClass.class"
 };
 
 JarFile jarFile = new JarFile( new File( basedir, "test/target/test-1.0.jar" ) );
diff --git a/src/main/java/org/apache/maven/plugins/shade/filter/MinijarFilter.java b/src/main/java/org/apache/maven/plugins/shade/filter/MinijarFilter.java
index 528caa8..10606d2 100644
--- a/src/main/java/org/apache/maven/plugins/shade/filter/MinijarFilter.java
+++ b/src/main/java/org/apache/maven/plugins/shade/filter/MinijarFilter.java
@@ -23,7 +23,6 @@ import org.apache.maven.artifact.Artifact;
 import org.apache.maven.artifact.DependencyResolutionRequiredException;
 import org.apache.maven.plugin.logging.Log;
 import org.apache.maven.project.MavenProject;
-import org.codehaus.plexus.util.IOUtil;
 import org.vafer.jdependency.Clazz;
 import org.vafer.jdependency.Clazzpath;
 import org.vafer.jdependency.ClazzpathUnit;
@@ -125,62 +124,79 @@ public class MinijarFilter
 
     private void removeServices( final MavenProject project, final Clazzpath cp )
     {
-        try
+        boolean repeatScan;
+        do
         {
-            for ( final String fileName : project.getRuntimeClasspathElements() )
+            repeatScan = false;
+            final Set<Clazz> neededClasses = cp.getClazzes();
+            neededClasses.removeAll( removable );
+            try
             {
-                try ( final JarFile jar = new JarFile( fileName ) )
+                for ( final String fileName : project.getRuntimeClasspathElements() )
                 {
-                    for ( final Enumeration<JarEntry> entries = jar.entries(); entries.hasMoreElements(); )
+                    try ( final JarFile jar = new JarFile( fileName ) )
                     {
-                        final JarEntry jarEntry = entries.nextElement();
-                        if ( !jarEntry.getName().startsWith( "META-INF/services/" ) )
+                        for ( final Enumeration<JarEntry> entries = jar.entries(); entries.hasMoreElements(); )
                         {
-                            continue;
-                        }
+                            final JarEntry jarEntry = entries.nextElement();
+                            if ( jarEntry.isDirectory() || !jarEntry.getName().startsWith( "META-INF/services/" ) )
+                            {
+                                continue;
+                            }
 
-                        try ( final BufferedReader bufferedReader =
-                           new BufferedReader( new InputStreamReader( jar.getInputStream( jarEntry ), UTF_8 ) ) )
-                        {
-                            for ( String line = bufferedReader.readLine(); line != null;
-                                line = bufferedReader.readLine() )
+                            final String serviceClassName =
+                              jarEntry.getName().substring( "META-INF/services/".length() );
+                            final boolean isNeededClass = neededClasses.contains( cp.getClazz( serviceClassName ) );
+                            if ( !isNeededClass )
+                            {
+                                continue;
+                            }
+
+                            try ( final BufferedReader bufferedReader =
+                            new BufferedReader( new InputStreamReader( jar.getInputStream( jarEntry ), UTF_8 ) ) )
                             {
-                                final String className = line.split( "#", 2 )[0].trim();
-                                if ( className.isEmpty() )
+                                for ( String line = bufferedReader.readLine(); line != null;
+                                    line = bufferedReader.readLine() )
                                 {
-                                    continue;
+                                    final String className = line.split( "#", 2 )[0].trim();
+                                    if ( className.isEmpty() )
+                                    {
+                                        continue;
+                                    }
+
+                                    final Clazz clazz = cp.getClazz( className );
+                                    if ( clazz == null || !removable.contains( clazz ) )
+                                    {
+                                        continue;
+                                    }
+
+                                    log.debug( className + " was not removed because it is a service" );
+                                    removeClass( cp, clazz );
+                                    repeatScan = true; // check whether the found classes use services in turn
                                 }
-
-                                log.info( className + " was not removed because it is a service" );
-                                removeClass( cp, className );
                             }
-                        }
-                        catch ( final IOException e )
-                        {
-                            log.warn( e.getMessage() );
+                            catch ( final IOException e )
+                            {
+                                log.warn( e.getMessage() );
+                            }
                         }
                     }
-                }
-                catch ( final IOException e )
-                {
-                    log.warn( e.getMessage() );
+                    catch ( final IOException e )
+                    {
+                        log.warn( e.getMessage() );
+                    }
                 }
             }
+            catch ( final DependencyResolutionRequiredException e )
+            {
+                log.warn( e.getMessage() );
+            }
         }
-        catch ( final DependencyResolutionRequiredException e )
-        {
-            log.warn( e.getMessage() );
-        }
+        while ( repeatScan );
     }
 
-    private void removeClass( final Clazzpath clazzPath, final String className )
+    private void removeClass( final Clazzpath clazzPath, final Clazz clazz )
     {
-        final Clazz clazz = clazzPath.getClazz( className );
-        if ( clazz == null )
-        {
-            return;
-        }
-
         removable.remove( clazz );
         removable.removeAll( clazz.getTransitiveDependencies() );
     }
@@ -218,12 +234,10 @@ public class MinijarFilter
         removePackages( artifactUnit.getTransitiveDependencies(), packageNames );
     }
 
-    @SuppressWarnings( "rawtypes" )
-    private void removePackages( Set clazzes, Set<String> packageNames )
+    private void removePackages( Set<Clazz> clazzes, Set<String> packageNames )
     {
-        for ( Object clazze : clazzes )
+        for ( Clazz clazz : clazzes )
         {
-            Clazz clazz = (Clazz) clazze;
             String name = clazz.getName();
             while ( name.contains( "." ) )
             {
@@ -261,7 +275,7 @@ public class MinijarFilter
                             if ( clazzes.contains( clazz ) //
                                 && simpleFilter.isSpecificallyIncluded( clazz.getName().replace( '.', '/' ) ) )
                             {
-                                log.info( clazz.getName() + " not removed because it was specifically included" );
+                                log.debug( clazz.getName() + " not removed because it was specifically included" );
                                 j.remove();
                             }
                         }
@@ -271,13 +285,13 @@ public class MinijarFilter
         }
     }
 
-    /** {@inheritDoc} */
+    @Override
     public boolean canFilter( File jar )
     {
         return true;
     }
 
-    /** {@inheritDoc} */
+    @Override
     public boolean isFiltered( String classFile )
     {
         String className = classFile.replace( '/', '.' ).replaceFirst( "\\.class$", "" );
@@ -294,7 +308,7 @@ public class MinijarFilter
         return false;
     }
 
-    /** {@inheritDoc} */
+    @Override
     public void finished()
     {
         int classesTotal = classesRemoved + classesKept;