Prevent hanging on exit (#202)

Author: gpaggi

jmx_prometheus_httpserver/pom.xml

@@ -22,7 +22,7 @@
     <dependency>
       <groupId>io.prometheus</groupId>
       <artifactId>simpleclient_httpserver</artifactId>
-      <version>0.0.26</version>
+      <version>0.1.0</version>
     </dependency>
   </dependencies>
 

jmx_prometheus_javaagent/pom.xml

@@ -23,12 +23,12 @@
     <dependency>
       <groupId>io.prometheus</groupId>
       <artifactId>simpleclient_hotspot</artifactId>
-      <version>0.0.26</version>
+      <version>0.1.0</version>
     </dependency>
     <dependency>
       <groupId>io.prometheus</groupId>
       <artifactId>simpleclient_httpserver</artifactId>
-      <version>0.0.26</version>
+      <version>0.1.0</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>

jmx_prometheus_javaagent/src/main/java/io/prometheus/jmx/JavaAgent.java

@@ -9,7 +9,7 @@
 import io.prometheus.client.hotspot.DefaultExports;
 
 public class JavaAgent {
-   
+
    static HTTPServer server;
 
    public static void premain(String agentArgument, Instrumentation instrumentation) throws Exception {
@@ -35,6 +35,6 @@ public static void premain(String agentArgument, Instrumentation instrumentation
 
      new JmxCollector(new File(file)).register();
      DefaultExports.initialize();
-     server = new HTTPServer(socket, CollectorRegistry.defaultRegistry);
+     server = new HTTPServer(socket, CollectorRegistry.defaultRegistry, true);
    }
 }