Jacoco multi module fixes

test-framework/jacoco/deployment/src/main/java/io/quarkus/jacoco/deployment/JacocoProcessor.java

@@ -80,7 +80,7 @@ public byte[] apply(String className, byte[] bytes) {
         }
         if (config.report) {
             ReportInfo info = new ReportInfo();
-            info.savedData = dataFile;
+            info.dataFile = dataFile;
 
             File targetdir = new File(
                     outputTargetBuildItem.getOutputDirectory().toAbsolutePath().toString() + File.separator
@@ -96,6 +96,7 @@ public byte[] apply(String className, byte[] bytes) {
             if (BuildToolHelper.isMavenProject(targetdir.toPath())) {
                 LocalProject project = LocalProject.loadWorkspace(targetdir.toPath());
                 for (Map.Entry<AppArtifactKey, LocalProject> i : project.getWorkspace().getProjects().entrySet()) {
+                    info.savedData.add(i.getValue().getOutputDir().resolve(config.dataFile).toAbsolutePath().toString());
                     sources.add(i.getValue().getSourcesSourcesDir().toFile().getAbsolutePath());
                     File classesDir = i.getValue().getClassesDir().toFile();
                     if (classesDir.isDirectory()) {

test-framework/jacoco/runtime/src/main/java/io/quarkus/jacoco/runtime/ReportCreator.java

@@ -42,7 +42,7 @@ public void run() {
             //the jacoco data is also generated by a shutdown hook
             //we need to wait for the file. We wait at most 10s
             long abortTime = System.currentTimeMillis() + 10000;
-            Path datafile = Paths.get(reportInfo.savedData);
+            Path datafile = Paths.get(reportInfo.dataFile);
             while (System.currentTimeMillis() < abortTime) {
                 if (Files.exists(datafile)) {
                     break;
@@ -65,12 +65,20 @@ public void run() {
                 }
             }
             ExecFileLoader loader = new ExecFileLoader();
-            loader.load(datafile.toFile());
+            for (String i : reportInfo.savedData) {
+                File file = new File(i);
+                if (file.exists()) {
+                    loader.load(file);
+                }
+            }
             final CoverageBuilder builder = new CoverageBuilder();
             final Analyzer analyzer = new Analyzer(
                     loader.getExecutionDataStore(), builder);
             for (String i : reportInfo.classFiles) {
-                analyzer.analyzeAll(new File(i));
+                File file = new File(i);
+                if (file.exists()) {
+                    analyzer.analyzeAll(file);
+                }
             }
 
             List<IReportVisitor> formatters = new ArrayList<>();

test-framework/jacoco/runtime/src/main/java/io/quarkus/jacoco/runtime/ReportInfo.java

@@ -1,11 +1,14 @@
 package io.quarkus.jacoco.runtime;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Set;
 
 public class ReportInfo {
 
     public String reportDir;
-    public String savedData;
+    public String dataFile;
+    public final List<String> savedData = new ArrayList<>();
     public Set<String> sourceDirectories;
     public Set<String> classFiles;
     public String artifactId;