diff --git a/core/src/main/java/org/mapfish/print/http/ConfigFileResolvingHttpRequestFactory.java b/core/src/main/java/org/mapfish/print/http/ConfigFileResolvingHttpRequestFactory.java
index 57d8a70719..cee9a8da71 100644
--- a/core/src/main/java/org/mapfish/print/http/ConfigFileResolvingHttpRequestFactory.java
+++ b/core/src/main/java/org/mapfish/print/http/ConfigFileResolvingHttpRequestFactory.java
@@ -231,7 +231,8 @@ private ClientHttpResponse doHttpRequestWithRetry(final HttpHeaders headers) thr
                         throw e;
                     }
                 }
-            } while (true);        }
+            } while (true);
+        }
 
         private ClientHttpResponse executeCallbacksAndRequest(final ClientHttpRequest requestToExecute)
                 throws IOException {
diff --git a/core/src/main/java/org/mapfish/print/http/HttpRequestFetcher.java b/core/src/main/java/org/mapfish/print/http/HttpRequestFetcher.java
index 604e176215..8d23a25b8b 100644
--- a/core/src/main/java/org/mapfish/print/http/HttpRequestFetcher.java
+++ b/core/src/main/java/org/mapfish/print/http/HttpRequestFetcher.java
@@ -92,8 +92,13 @@ private CachedClientHttpResponse(final ClientHttpResponse originalResponse) thro
             this.statusText = originalResponse.getStatusText();
             this.cachedFile =
                     File.createTempFile("cacheduri", null, HttpRequestFetcher.this.temporaryDirectory);
+            LOGGER.debug("Caching URI resource to {}", this.cachedFile);
             try (OutputStream os = Files.newOutputStream(this.cachedFile.toPath())) {
-                IOUtils.copy(originalResponse.getBody(), os);
+                InputStream body = originalResponse.getBody();
+                LOGGER.debug("Get from input stream {}, for response {}",
+                    body.getClass(), originalResponse.getClass());
+                LOGGER.debug("Body available: {}", body.available());
+                IOUtils.copy(body, os);
             }
         }
 
@@ -101,6 +106,7 @@ private CachedClientHttpResponse(final ClientHttpResponse originalResponse) thro
         @Nonnull
         public InputStream getBody() throws IOException {
             if (this.body == null) {
+                LOGGER.debug("Loading cached URI resource from {}",  this.cachedFile);
                 this.body = new FileInputStream(this.cachedFile);
             }
             return this.body;
@@ -128,6 +134,7 @@ public void close() {
             if (this.body != null) {
                 try {
                     this.body.close();
+                    this.body = null;
                 } catch (IOException e) {
                     // ignored
                 }
@@ -227,13 +234,13 @@ public InputStream getBody() {
 
                         @Override
                         public int getRawStatusCode() {
-                            return 500;
+                            return 999;
                         }
 
                         @Override
                         @Nonnull
                         public String getStatusText() {
-                            return e.getMessage();
+                            return String.format("IOException: %s", e.getMessage());
                         }
 
                         @Override
diff --git a/core/src/main/java/org/mapfish/print/http/MfClientHttpRequestFactoryImpl.java b/core/src/main/java/org/mapfish/print/http/MfClientHttpRequestFactoryImpl.java
index 4936e6d9b0..91adce4991 100644
--- a/core/src/main/java/org/mapfish/print/http/MfClientHttpRequestFactoryImpl.java
+++ b/core/src/main/java/org/mapfish/print/http/MfClientHttpRequestFactoryImpl.java
@@ -241,6 +241,7 @@ public void close() {
                 getBody();
                 if (inputStream != null) {
                     inputStream.close();
+                    inputStream = null;
                 }
             } catch (IOException e) {
                 LOGGER.error("Error occurred while trying to retrieve Http Response {} in order to close it.",