Clear network interceptors after async calls

Author: rjeberhard

operator/src/main/java/oracle/kubernetes/operator/helpers/ClientPool.java

@@ -85,6 +85,13 @@ private ApiClient getApiClient() {
     return client;
   }
 
+  @Override
+  protected ApiClient onRecycle(ApiClient instance) {
+    // Work around async processing creating, but not cleaning-up network interceptors
+    instance.getHttpClient().networkInterceptors().clear();
+    return super.onRecycle(instance);
+  }
+
   private static class DefaultClientFactory implements ClientFactory {
     private final AtomicBoolean first = new AtomicBoolean(true);
 

operator/src/main/java/oracle/kubernetes/operator/helpers/Pool.java

@@ -46,12 +46,16 @@ protected Queue<T> getQueue() {
    * @param instance Pool object to recycle
    */
   public final void recycle(T instance) {
-    getQueue().offer(instance);
+    getQueue().offer(onRecycle(instance));
     if (LOGGER.isFinerEnabled()) {
       LOGGER.finer("Recycling instance to pool, instances now in pool: " + getQueue().size());
     }
   }
 
+  protected T onRecycle(T instance) {
+    return instance;
+  }
+
   /**
    * Creates a new instance of object. This method is used when someone wants to {@link #take()
    * take} an object from an empty pool. Also note that multiple threads may call this method