diff --git a/src/main/java/org/codelibs/fess/app/web/cache/CacheAction.java b/src/main/java/org/codelibs/fess/app/web/cache/CacheAction.java
index 2e6acfee7..fde667af3 100644
--- a/src/main/java/org/codelibs/fess/app/web/cache/CacheAction.java
+++ b/src/main/java/org/codelibs/fess/app/web/cache/CacheAction.java
@@ -61,7 +61,7 @@ public class CacheAction extends FessSearchAction {
                                 queryRequestBuilder.setQuery(termQuery);
                                 queryRequestBuilder.addFields(queryHelper.getCacheResponseFields());
                                 return true;
-                            }).get();
+                            }).orElse(null);
         } catch (final Exception e) {
             logger.warn("Failed to request: " + form.docId, e);
         }
diff --git a/src/main/java/org/codelibs/fess/app/web/go/GoAction.java b/src/main/java/org/codelibs/fess/app/web/go/GoAction.java
index e6f6bc8be..cb6a9ae0f 100644
--- a/src/main/java/org/codelibs/fess/app/web/go/GoAction.java
+++ b/src/main/java/org/codelibs/fess/app/web/go/GoAction.java
@@ -74,7 +74,7 @@ public class GoAction extends FessSearchAction {
                                 queryRequestBuilder.setQuery(termQuery);
                                 queryRequestBuilder.addFields(fessConfig.getIndexFieldUrl(), fessConfig.getIndexFieldConfigId());
                                 return true;
-                            }).get();
+                            }).orElse(null);
         } catch (final Exception e) {
             logger.warn("Failed to request: " + form.docId, e);
         }
diff --git a/src/main/java/org/codelibs/fess/app/web/screenshot/ScreenshotAction.java b/src/main/java/org/codelibs/fess/app/web/screenshot/ScreenshotAction.java
index d75c59e26..74c5f03bd 100644
--- a/src/main/java/org/codelibs/fess/app/web/screenshot/ScreenshotAction.java
+++ b/src/main/java/org/codelibs/fess/app/web/screenshot/ScreenshotAction.java
@@ -59,7 +59,7 @@ public class ScreenshotAction extends FessSearchAction {
                             queryRequestBuilder.setQuery(termQuery);
                             queryRequestBuilder.addFields(queryHelper.getResponseFields());
                             return true;
-                        }).get();
+                        }).orElse(null);
         final String url = DocumentUtil.getValue(doc, fessConfig.getIndexFieldUrl(), String.class);
         if (StringUtil.isBlank(form.queryId) || StringUtil.isBlank(url) || screenShotManager == null) {
             // 404