Fix failing tests

Add TracingAgent to list of bootstrap class
Fix renaming tests
Fix JMXFetch path splitting

dd-java-agent/agent-bootstrap/src/main/java/datadog/trace/bootstrap/DatadogClassLoader.java

@@ -105,7 +105,7 @@ public class DatadogClassLoader extends URLClassLoader {
     }
 
     public BootstrapClassLoaderProxy(final URL[] urls) {
-      super(urls);
+      super(urls, null);
     }
 
     @Override

dd-java-agent/agent-jmxfetch/src/main/java/datadog/trace/agent/jmxfetch/JMXFetch.java

@@ -155,7 +155,15 @@ public class JMXFetch {
           integrationName.add(config.replace(".yaml", ""));
           if (Config.get().isJmxFetchIntegrationEnabled(integrationName, false)) {
             final URL resource = JMXFetch.class.getResource("metricconfigs/" + config);
-            result.add(resource.getPath().split("\\.jar!/")[1]);
+
+            // jar!/ means a file internal to a jar, only add the part after if it exists
+            final String path = resource.getPath();
+            final int filenameIndex = path.indexOf("jar!/");
+            if (filenameIndex != -1) {
+              result.add(path.substring(filenameIndex + 5));
+            } else {
+              result.add(path.substring(1));
+            }
           }
         }
         return result;

dd-java-agent/agent-tooling/src/main/java/datadog/trace/agent/tooling/Constants.java

@@ -14,6 +14,7 @@ public final class Constants {
    */
   public static final String[] BOOTSTRAP_PACKAGE_PREFIXES = {
     "datadog.slf4j",
+    "datadog.trace.agent.TracingAgent",
     "datadog.trace.api",
     "datadog.trace.bootstrap",
     "datadog.trace.context",

dd-java-agent/src/test/groovy/datadog/trace/agent/integration/classloading/ShadowPackageRenamingTest.groovy

@@ -14,23 +14,23 @@ class ShadowPackageRenamingTest extends Specification {
     final Class<?> ddClass =
       IntegrationTestUtils.getAgentClassLoader()
         .loadClass("datadog.trace.agent.tooling.AgentInstaller")
-    final String userGuava =
-      MapMaker.getProtectionDomain().getCodeSource().getLocation().getFile()
-    final String agentGuavaDep =
+    final URL userGuava =
+      MapMaker.getProtectionDomain().getCodeSource().getLocation()
+    final URL agentGuavaDep =
       ddClass
         .getClassLoader()
         .loadClass("com.google.common.collect.MapMaker")
         .getProtectionDomain()
         .getCodeSource()
         .getLocation()
-        .getFile()
-    final String agentSource =
-      ddClass.getProtectionDomain().getCodeSource().getLocation().getFile()
+    final URL agentSource =
+      ddClass.getProtectionDomain().getCodeSource().getLocation()
 
     expect:
-    agentSource.matches(".*/agent-tooling-and-instrumentation[^/]*.jar")
+    agentSource.getFile() == "/"
+    agentSource.getProtocol() == "x-internal-jar"
     agentSource == agentGuavaDep
-    agentSource != userGuava
+    agentSource.getFile() != userGuava.getFile()
   }
 
   def "java getLogger rewritten to safe logger"() {