disabled the block caching

modules/roblib_search_eds/src/Plugin/Block/RoblibSearchEdsArticles.php

@@ -38,4 +38,12 @@ class RoblibSearchEdsArticles extends BlockBase {
       ],
     ];
   }
+  
+   /**
+   * {@inheritdoc}
+   */
+  public function getCacheMaxAge() {
+    //Reading dynamic content from external source so no caching.
+    return 0;
+  }
 }

modules/roblib_search_eds/src/Plugin/Block/RoblibSearchEdsBooks.php

@@ -38,5 +38,13 @@ class RoblibSearchEdsBooks extends BlockBase {
       ],
     ];
   }
+  
+   /**
+   * {@inheritdoc}
+   */
+  public function getCacheMaxAge() {
+    //Reading dynamic content from external source so no caching.
+    return 0;
+  }
 
 }

modules/solr_site/src/Plugin/Block/RoblibSearchSolrsiteBestbet.php

@@ -37,7 +37,11 @@ class RoblibSearchSolrSiteBestbet extends BlockBase {
     ];
  }
  
- /*public function getCacheMaxAge() {
-    return 1;
-  }*/
+  /**
+   * {@inheritdoc}
+   */
+  public function getCacheMaxAge() {
+    //Reading dynamic content from external source so no caching.
+    return 0;
+  }
 }

modules/solr_site/src/Plugin/Block/RoblibSearchSolrsiteGeneral.php

@@ -38,8 +38,12 @@ class RoblibSearchSolrsiteGeneral extends BlockBase {
     ];
  }
  
- /*public function getCacheMaxAge() {
-    return 1;
-  }*/
+  /**
+   * {@inheritdoc}
+   */
+  public function getCacheMaxAge() {
+    //Reading dynamic content from external source so no caching.
+    return 0;
+  }
 
 }