Reproducer for #564

daemon/src/main/java/org/mvndaemon/mvnd/cache/impl/TimestampCacheFactory.java

@@ -17,6 +17,7 @@
 
 import java.io.IOException;
 import java.nio.file.Files;
+import java.nio.file.NoSuchFileException;
 import java.nio.file.Path;
 import java.nio.file.attribute.BasicFileAttributes;
 import java.nio.file.attribute.FileTime;
@@ -57,13 +58,17 @@ static class FileState {
 
         FileState(Path path) {
             this.path = path;
+            BasicFileAttributes attrs;
             try {
-                BasicFileAttributes attrs = Files.readAttributes(path, BasicFileAttributes.class);
-                this.lastModifiedTime = attrs.lastModifiedTime();
-                this.fileKey = attrs.fileKey();
+                attrs = Files.readAttributes(path, BasicFileAttributes.class);
+            } catch (NoSuchFileException e) {
+                // we allow this exception in case of a missing reactor artifact
+                attrs = null;
             } catch (IOException e) {
                 throw new RuntimeException(e);
             }
+            this.lastModifiedTime = attrs != null ? attrs.lastModifiedTime() : FileTime.fromMillis(0);
+            this.fileKey = attrs != null ? attrs.fileKey() : null;
         }
 
         @Override

daemon/src/main/java/org/mvndaemon/mvnd/cache/impl/WatchServiceCacheFactory.java

@@ -17,6 +17,7 @@
 
 import java.io.IOException;
 import java.nio.file.FileSystems;
+import java.nio.file.NoSuchFileException;
 import java.nio.file.Path;
 import java.nio.file.StandardWatchEventKinds;
 import java.nio.file.WatchEvent;
@@ -102,6 +103,9 @@ private Registration register(Path key, Registration value) {
                         new WatchEvent.Kind[] { StandardWatchEventKinds.ENTRY_DELETE, StandardWatchEventKinds.ENTRY_MODIFY },
                         mods);
                 return new Registration(watchKey);
+            } catch (NoSuchFileException e) {
+                // we allow this exception in case of a missing reactor artifact
+                return null;
             } catch (IOException e) {
                 throw new RuntimeException(e);
             }

integration-tests/src/test/java/org/mvndaemon/mvnd/it/AttachedArtifactResolutionTest.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2021 the original author or authors.
+ *
+ * Licensed 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.
+ */
+package org.mvndaemon.mvnd.it;
+
+import javax.inject.Inject;
+import org.junit.jupiter.api.Test;
+import org.mvndaemon.mvnd.assertj.TestClientOutput;
+import org.mvndaemon.mvnd.client.Client;
+import org.mvndaemon.mvnd.junit.MvndTest;
+
+@MvndTest(projectDir = "src/test/projects/attached-artifact-resolution")
+public class AttachedArtifactResolutionTest {
+
+    @Inject
+    Client client;
+
+    @Test
+    void cleanCompile() throws Exception {
+        final TestClientOutput output = new TestClientOutput();
+        client.execute(output, "clean", "compile", "-e", "-Dmvnd.log.level=DEBUG")
+                .assertSuccess();
+    }
+
+}

integration-tests/src/test/projects/attached-artifact-resolution/.mvn/maven.config

@@ -0,0 +1,3 @@
+-Dmaven.wagon.httpconnectionManager.ttlSeconds=120
+-Dmaven.wagon.http.retryHandler.requestSentEnabled=true
+-Dmaven.wagon.http.retryHandler.count=10

integration-tests/src/test/projects/attached-artifact-resolution/java-frontend/pom.xml

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Copyright 2021 the original author or authors.
+
+    Licensed 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.
+
+-->
+<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>
+
+    <parent>
+        <groupId>org.example</groupId>
+        <artifactId>java</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>java-frontend</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>jdt</artifactId>
+            <version>${project.version}</version>
+            <classifier>shaded</classifier>
+        </dependency>
+    </dependencies>
+
+</project>

integration-tests/src/test/projects/attached-artifact-resolution/jdt/pom.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Copyright 2021 the original author or authors.
+
+    Licensed 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.
+
+-->
+<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>
+
+    <parent>
+        <groupId>org.example</groupId>
+        <artifactId>java</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>jdt</artifactId>
+
+</project>

integration-tests/src/test/projects/attached-artifact-resolution/pom.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Copyright 2021 the original author or authors.
+
+    Licensed 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.
+
+-->
+<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.example</groupId>
+    <artifactId>java</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>pom</packaging>
+
+    <modules>
+        <module>jdt</module>
+        <module>java-frontend</module>
+    </modules>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+</project>