diff --git a/pom.xml b/pom.xml
index 86cb9cc..bcb14f5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -121,11 +121,6 @@
maven-plugin-annotations
provided
-
- org.codehaus.plexus
- plexus-archiver
- 4.3.0
-
diff --git a/src/it/MJAR-275-reproducible-module-info/invoker.properties b/src/it/MJAR-275-reproducible-module-info/invoker.properties
new file mode 100644
index 0000000..71eea45
--- /dev/null
+++ b/src/it/MJAR-275-reproducible-module-info/invoker.properties
@@ -0,0 +1,21 @@
+# 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.
+
+# NOTE: Requires Java 10+ to compile the module declaration for Java 9+,
+# this is due that compiling the module declaration generates a
+# module descriptor with the JDK version on it, making it unreproducible.
+invoker.java.version = 10+
diff --git a/src/it/MJAR-275-reproducible-module-info/pom.xml b/src/it/MJAR-275-reproducible-module-info/pom.xml
new file mode 100644
index 0000000..c25061c
--- /dev/null
+++ b/src/it/MJAR-275-reproducible-module-info/pom.xml
@@ -0,0 +1,77 @@
+
+
+
+ 4.0.0
+ org.apache.maven.plugins
+ mjar-275-reproducible-multi-release-modular-jar
+ mjar-275-reproducible-multi-release-modular-jar
+ Verifies that the modular descriptor is reproducible (timestamp is set)
+ jar
+ 1.0-SNAPSHOT
+
+
+ UTF-8
+ 2022-06-26T13:25:58Z
+
+
+
+
+
+ org.apache.maven.plugins
+ maven-jar-plugin
+ @project.version@
+
+
+
+ myproject.HelloWorld
+
+
+
+
+
+
+
+
+
+ maven-compiler-plugin
+ 3.10.1
+
+ 8
+
+
+
+ java9
+
+ compile
+
+
+ 9
+
+ ${project.basedir}/src/main/java9
+
+ true
+
+
+
+
+
+
+
+
diff --git a/src/it/MJAR-275-reproducible-module-info/src/main/java/myproject/HelloWorld.java b/src/it/MJAR-275-reproducible-module-info/src/main/java/myproject/HelloWorld.java
new file mode 100644
index 0000000..01f2991
--- /dev/null
+++ b/src/it/MJAR-275-reproducible-module-info/src/main/java/myproject/HelloWorld.java
@@ -0,0 +1,37 @@
+package myproject;
+
+/*
+ * 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.
+ */
+
+/**
+ * The classic Hello World App.
+ */
+public class HelloWorld
+{
+
+ /**
+ * Main method.
+ *
+ * @param args Not used
+ */
+ public static void main( String[] args )
+ {
+ System.out.println( "Hi!" );
+ }
+}
\ No newline at end of file
diff --git a/src/it/MJAR-275-reproducible-module-info/src/main/java9/module-info.java b/src/it/MJAR-275-reproducible-module-info/src/main/java9/module-info.java
new file mode 100644
index 0000000..fa45034
--- /dev/null
+++ b/src/it/MJAR-275-reproducible-module-info/src/main/java9/module-info.java
@@ -0,0 +1,22 @@
+/*
+ * 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.
+ */
+
+module myproject {
+ exports myproject;
+}
diff --git a/src/it/MJAR-275-reproducible-module-info/verify.groovy b/src/it/MJAR-275-reproducible-module-info/verify.groovy
new file mode 100644
index 0000000..f6bce52
--- /dev/null
+++ b/src/it/MJAR-275-reproducible-module-info/verify.groovy
@@ -0,0 +1,65 @@
+/*
+ * 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.*;
+import java.lang.module.*;
+import java.nio.file.attribute.FileTime;
+import java.time.Instant;
+import java.util.*;
+import java.util.jar.*;
+
+File target = new File( basedir, "target" )
+
+assert target.exists()
+assert target.isDirectory()
+
+File artifact = new File( target, "mjar-275-reproducible-multi-release-modular-jar-1.0-SNAPSHOT.jar" );
+
+assert artifact.exists()
+assert artifact.isFile()
+
+JarFile jar = new JarFile( artifact );
+
+Attributes manifest = jar.getManifest().getMainAttributes();
+
+assert "myproject.HelloWorld".equals( manifest.get( Attributes.Name.MAIN_CLASS ) )
+
+InputStream moduleDescriptorInputStream = jar.getInputStream( jar.getEntry( "META-INF/versions/9/module-info.class" ) );
+ModuleDescriptor moduleDescriptor = ModuleDescriptor.read( moduleDescriptorInputStream );
+
+assert "myproject.HelloWorld".equals( moduleDescriptor.mainClass().orElse( null ) )
+
+// Normalize to UTC
+long normalizeUTC( String timestamp )
+{
+ long millis = Instant.parse( timestamp ).toEpochMilli();
+ Calendar cal = Calendar.getInstance();
+ cal.setTimeInMillis( millis );
+ return millis - ( cal.get( Calendar.ZONE_OFFSET ) + cal.get( Calendar.DST_OFFSET ) );
+}
+
+// All entries should have the same timestamp
+FileTime expectedTimestamp = FileTime.fromMillis( normalizeUTC( "2022-06-26T13:25:58Z" ) );
+Enumeration entries = jar.entries();
+while ( entries.hasMoreElements() )
+{
+ assert expectedTimestamp.equals( entries.nextElement().getLastModifiedTime() )
+}
+
+jar.close();
diff --git a/src/main/java/org/apache/maven/plugins/jar/AbstractJarMojo.java b/src/main/java/org/apache/maven/plugins/jar/AbstractJarMojo.java
index 5b7ca64..588dad8 100644
--- a/src/main/java/org/apache/maven/plugins/jar/AbstractJarMojo.java
+++ b/src/main/java/org/apache/maven/plugins/jar/AbstractJarMojo.java
@@ -141,9 +141,10 @@ public abstract class AbstractJarMojo
private boolean skipIfEmpty;
/**
- * Timestamp for reproducible output archive entries, either formatted as ISO 8601
- * yyyy-MM-dd'T'HH:mm:ssXXX
or as an int representing seconds since the epoch (like
- * SOURCE_DATE_EPOCH).
+ * Timestamp for reproducible output archive entries, either formatted as ISO 8601 extended offset date-time
+ * (e.g. in UTC such as '2011-12-03T10:15:30Z' or with an offset '2019-10-05T20:37:42+06:00'),
+ * or as an int representing seconds since the epoch
+ * (like SOURCE_DATE_EPOCH).
*
* @since 3.2.0
*/
@@ -257,7 +258,7 @@ public File createArchive()
archiver.setOutputFile( jarFile );
// configure for Reproducible Builds based on outputTimestamp value
- archiver.configureReproducible( outputTimestamp );
+ archiver.configureReproducibleBuild( outputTimestamp );
archive.setForced( forceCreation );