[JENKINS-64917] Xcode Plugin fails to generate unit test report on macOS Catalina: JAXB-API issue

Author: basil

src/main/java/au/com/rayh/JenkinsXCodeBuildOutputParser.java

@@ -30,6 +30,7 @@
 package au.com.rayh;
 
 import hudson.FilePath;
+import hudson.Functions;
 import hudson.model.TaskListener;
 
 import java.io.BufferedOutputStream;
@@ -113,7 +114,7 @@ public void write(int b) throws IOException {
                         handleLine(buffer.toString());
                         buffer = new StringBuilder();
                     } catch(Exception e) {  // Very fugly
-                        buildListener.fatalError(e.getMessage(), e);
+                        Functions.printStackTrace(e, buildListener.fatalError(e.getMessage()));
                         throw new IOException(e);
                     }
                 } else {

src/main/java/au/com/rayh/XCodeBuildOutputParser.java

@@ -177,7 +177,15 @@ private void requireTestCase(String name) {
     private void writeTestReport() throws IOException, InterruptedException,
             JAXBException {
         try (OutputStream testReportOutputStream = outputForSuite()) {
-            JAXBContext jaxbContext = JAXBContext.newInstance(TestSuite.class);
+            JAXBContext jaxbContext;
+            Thread t = Thread.currentThread();
+            ClassLoader orig = t.getContextClassLoader();
+            t.setContextClassLoader(XCodeBuildOutputParser.class.getClassLoader());
+            try {
+                jaxbContext = JAXBContext.newInstance(TestSuite.class);
+            } finally {
+                t.setContextClassLoader(orig);
+            }
             Marshaller marshaller = jaxbContext.createMarshaller();
             marshaller.marshal(currentTestSuite, testReportOutputStream);
         }

src/main/java/au/com/rayh/XcodeTestSummariesParser.java

@@ -41,7 +41,15 @@ public XcodeTestSummariesParser(FilePath workspace) throws IOException, Interrup
     private void writeTestReport(TestSuite currentTestSuite) throws IOException, InterruptedException,
             JAXBException {
         try (OutputStream testReportOutputStream = outputForSuite(currentTestSuite)) {
-            JAXBContext jaxbContext = JAXBContext.newInstance(TestSuite.class);
+            JAXBContext jaxbContext;
+            Thread t = Thread.currentThread();
+            ClassLoader orig = t.getContextClassLoader();
+            t.setContextClassLoader(XcodeTestSummariesParser.class.getClassLoader());
+            try {
+                jaxbContext = JAXBContext.newInstance(TestSuite.class);
+            } finally {
+                t.setContextClassLoader(orig);
+            }
             Marshaller marshaller = jaxbContext.createMarshaller();
             marshaller.marshal(currentTestSuite, testReportOutputStream);
         }