Merge pull request #472 from DataDog/ark/jsp-enable

Enable and muzzle jsp instrumentation

dd-java-agent/instrumentation/jsp-2.3/jsp-2.3.gradle

@@ -1,17 +1,14 @@
-apply plugin: 'version-scan'
-
-versionScan {
-  group = "org.apache.tomcat"
-  module = "tomcat-jasper"
-  versions = "[7.0.0,)"
-  scanDependencies = true
-  verifyPresent = [
-    "org.apache.jasper.servlet.JspServletWrapper": null,
-  ]
-}
-
 apply from: "${rootDir}/gradle/java.gradle"
 
+muzzle {
+  pass {
+    group = "org.apache.tomcat"
+    module = "tomcat-jasper"
+    // range [7.0.0,7.0.19) and version 8.0.9 missing from maven
+    versions = "[7.0.19,8.0.9),(8.0.9,)"
+  }
+}
+
 apply plugin: 'org.unbroken-dome.test-sets'
 
 testSets {

dd-java-agent/instrumentation/jsp-2.3/src/main/java/datadog/trace/instrumentation/jsp/JSPInstrumentation.java

@@ -33,11 +33,6 @@ public final class JSPInstrumentation extends Instrumenter.Default {
     super("jsp", "jsp-render");
   }
 
-  @Override
-  protected boolean defaultEnabled() {
-    return false;
-  }
-
   @Override
   public ElementMatcher<TypeDescription> typeMatcher() {
     return not(isInterface()).and(safeHasSuperType(named("javax.servlet.jsp.HttpJspPage")));

dd-java-agent/instrumentation/jsp-2.3/src/main/java/datadog/trace/instrumentation/jsp/JasperJSPCompilationContextInstrumentation.java

@@ -1,6 +1,5 @@
 package datadog.trace.instrumentation.jsp;
 
-import static datadog.trace.agent.tooling.ClassLoaderMatcher.classLoaderHasClasses;
 import static io.opentracing.log.Fields.ERROR_OBJECT;
 import static net.bytebuddy.matcher.ElementMatchers.isPublic;
 import static net.bytebuddy.matcher.ElementMatchers.named;
@@ -29,21 +28,11 @@ public final class JasperJSPCompilationContextInstrumentation extends Instrument
     super("jsp", "jsp-compile");
   }
 
-  @Override
-  protected boolean defaultEnabled() {
-    return false;
-  }
-
   @Override
   public ElementMatcher<TypeDescription> typeMatcher() {
     return named("org.apache.jasper.JspCompilationContext");
   }
 
-  @Override
-  public ElementMatcher<ClassLoader> classLoaderMatcher() {
-    return classLoaderHasClasses("org.apache.jasper.servlet.JspServletWrapper");
-  }
-
   @Override
   public Map<ElementMatcher, String> transformers() {
     final Map<ElementMatcher, String> transformers = new HashMap<>();

dd-java-agent/instrumentation/jsp-2.3/src/test/groovy/JSPInstrumentationBasicTests.groovy

@@ -20,7 +20,6 @@ import static datadog.trace.agent.test.asserts.ListWriterAssert.assertTraces
 class JSPInstrumentationBasicTests extends AgentTestRunner {
 
   static {
-    System.setProperty("dd.integration.jsp.enabled", "true")
     // skip jar scanning using environment variables:
     // http://tomcat.apache.org/tomcat-7.0-doc/config/systemprops.html#JAR_Scanning
     // having this set allows us to test with old versions of the tomcat api since

dd-java-agent/instrumentation/jsp-2.3/src/test/groovy/JSPInstrumentationForwardTests.groovy

@@ -18,7 +18,6 @@ import static datadog.trace.agent.test.asserts.ListWriterAssert.assertTraces
 class JSPInstrumentationForwardTests extends AgentTestRunner {
 
   static {
-    System.setProperty("dd.integration.jsp.enabled", "true")
     // skip jar scanning using environment variables:
     // http://tomcat.apache.org/tomcat-7.0-doc/config/systemprops.html#JAR_Scanning
     // having this set allows us to test with old versions of the tomcat api since