Use builtin decorators for every DDTracer

dd-java-agent/instrumentation/servlet-2/src/test/groovy/JettyServletTest.groovy

@@ -99,7 +99,7 @@ class JettyServletTest extends AgentTestRunner {
 
     span.context().serviceName == "unnamed-java-app"
     span.context().operationName == "servlet.request"
-    span.context().resourceName == "servlet.request"
+    span.context().resourceName == "GET /$path"
     span.context().spanType == DDSpanTypes.WEB_SERVLET
     !span.context().getErrorFlag()
     span.context().parentId != 0 // parent should be the okhttp call.
@@ -134,7 +134,7 @@ class JettyServletTest extends AgentTestRunner {
     def span = trace[0]
 
     span.context().operationName == "servlet.request"
-    span.context().resourceName == "servlet.request"
+    span.context().resourceName == "GET /$path"
     span.context().spanType == DDSpanTypes.WEB_SERVLET
     span.context().getErrorFlag()
     span.context().parentId != 0 // parent should be the okhttp call.

dd-java-agent/instrumentation/servlet-3/src/test/groovy/JettyServletTest.groovy

@@ -1,7 +1,5 @@
 import datadog.opentracing.DDSpan
 import datadog.opentracing.DDTracer
-import datadog.opentracing.decorators.AbstractDecorator
-import datadog.opentracing.decorators.DDDecoratorsFactory
 import datadog.trace.agent.test.AgentTestRunner
 import datadog.trace.api.DDSpanTypes
 import datadog.trace.common.writer.ListWriter
@@ -54,10 +52,6 @@ class JettyServletTest extends AgentTestRunner {
   DDTracer tracer = new DDTracer(writer)
 
   def setup() {
-    final List<AbstractDecorator> decorators = DDDecoratorsFactory.createBuiltinDecorators()
-    for (final AbstractDecorator decorator : decorators) {
-      tracer.addDecorator(decorator)
-    }
     jettyServer = new Server(PORT)
     servletContext = new ServletContextHandler()
 

dd-java-agent/instrumentation/servlet-3/src/test/groovy/TomcatServletTest.groovy

@@ -1,7 +1,5 @@
 import com.google.common.io.Files
 import datadog.opentracing.DDTracer
-import datadog.opentracing.decorators.AbstractDecorator
-import datadog.opentracing.decorators.DDDecoratorsFactory
 import datadog.trace.agent.test.AgentTestRunner
 import datadog.trace.api.DDSpanTypes
 import datadog.trace.common.writer.ListWriter
@@ -35,11 +33,6 @@ class TomcatServletTest extends AgentTestRunner {
   DDTracer tracer = new DDTracer(writer)
 
   def setup() {
-    final List<AbstractDecorator> decorators = DDDecoratorsFactory.createBuiltinDecorators()
-    for (final AbstractDecorator decorator : decorators) {
-      tracer.addDecorator(decorator)
-    }
-
     tomcatServer = new Tomcat()
     tomcatServer.setPort(PORT)
 

dd-java-agent/testing/src/main/java/datadog/trace/agent/test/AgentTestRunner.java

@@ -4,8 +4,6 @@ import ch.qos.logback.classic.Level;
 import ch.qos.logback.classic.Logger;
 import datadog.opentracing.DDSpan;
 import datadog.opentracing.DDTracer;
-import datadog.opentracing.decorators.AbstractDecorator;
-import datadog.opentracing.decorators.DDDecoratorsFactory;
 import datadog.trace.agent.tooling.AgentInstaller;
 import datadog.trace.agent.tooling.Instrumenter;
 import datadog.trace.common.writer.ListWriter;
@@ -78,10 +76,6 @@ public abstract class AgentTestRunner extends Specification {
         };
     TEST_TRACER = new DDTracer(TEST_WRITER);
 
-    final List<AbstractDecorator> decorators = DDDecoratorsFactory.createBuiltinDecorators();
-    for (final AbstractDecorator decorator : decorators) {
-      ((DDTracer) TEST_TRACER).addDecorator(decorator);
-    }
     ByteBuddyAgent.install();
     instrumentation = ByteBuddyAgent.getInstrumentation();
   }

dd-trace-ot/src/main/java/datadog/opentracing/DDTracer.java

@@ -92,13 +92,6 @@ public class DDTracer implements io.opentracing.Tracer {
         Sampler.Builder.forConfig(config),
         DDTraceConfig.parseMap(config.getProperty(DDTraceConfig.SPAN_TAGS)));
     log.debug("Using config: {}", config);
-
-    // Create decorators from resource files
-    final List<AbstractDecorator> decorators = DDDecoratorsFactory.createBuiltinDecorators();
-    for (final AbstractDecorator decorator : decorators) {
-      log.debug("Loading decorator: {}", decorator.getClass().getSimpleName());
-      addDecorator(decorator);
-    }
   }
 
   public DDTracer(final String serviceName, final Writer writer, final Sampler sampler) {
@@ -126,6 +119,12 @@ public class DDTracer implements io.opentracing.Tracer {
 
     registerClassLoader(ClassLoader.getSystemClassLoader());
 
+    final List<AbstractDecorator> decorators = DDDecoratorsFactory.createBuiltinDecorators();
+    for (final AbstractDecorator decorator : decorators) {
+      log.debug("Loading decorator: {}", decorator.getClass().getSimpleName());
+      addDecorator(decorator);
+    }
+
     log.info("New instance: {}", this);
   }