From 75edd2bee4e3ae5eb04efabbb6aad83e2c718ebf Mon Sep 17 00:00:00 2001
From: Andrew Kent <andrew.kent@datadoghq.com>
Date: Tue, 19 Dec 2017 15:58:24 -0800
Subject: [PATCH] Initialize AgentVersion classes in global tracer init

---
 .../src/main/java/com/datadoghq/agent/TracingAgent.java   | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/dd-java-agent/src/main/java/com/datadoghq/agent/TracingAgent.java b/dd-java-agent/src/main/java/com/datadoghq/agent/TracingAgent.java
index c3965d04ad..66ac54785c 100644
--- a/dd-java-agent/src/main/java/com/datadoghq/agent/TracingAgent.java
+++ b/dd-java-agent/src/main/java/com/datadoghq/agent/TracingAgent.java
@@ -24,6 +24,8 @@ import static net.bytebuddy.matcher.ElementMatchers.nameContains;
 import static net.bytebuddy.matcher.ElementMatchers.nameMatches;
 import static net.bytebuddy.matcher.ElementMatchers.nameStartsWith;
 
+import com.datadoghq.trace.DDTraceAnnotationsInfo;
+import com.datadoghq.trace.DDTraceInfo;
 import dd.trace.Instrumenter;
 import io.opentracing.Tracer;
 import io.opentracing.contrib.tracerresolver.TracerResolver;
@@ -59,6 +61,12 @@ public class TracingAgent {
   }
 
   private static synchronized void initializeGlobalTracer() {
+    // version classes log important info
+    // in static initializers
+    DDJavaAgentInfo.VERSION.toString();
+    DDTraceInfo.VERSION.toString();
+    DDTraceAnnotationsInfo.VERSION.toString();
+
     if (!GlobalTracer.isRegistered()) {
       // Try to obtain a tracer using the TracerResolver
       final Tracer resolved = TracerResolver.resolveTracer();