适配非 Web SpringBoot 项目使用 Hippo4J. (#147)

hippo4j-spring-boot/hippo4j-core-spring-boot-starter/src/main/java/cn/hippo4j/core/starter/refresher/AbstractCoreThreadPoolDynamicRefresh.java

@@ -100,11 +100,19 @@ public abstract class AbstractCoreThreadPoolDynamicRefresh implements ThreadPool
      * @param bindableCoreProperties
      */
     private void refreshWebExecutor(BootstrapCoreProperties bindableCoreProperties) {
-        WebThreadPoolHandlerChoose webThreadPoolHandlerChoose = ApplicationContextHolder.getBean(WebThreadPoolHandlerChoose.class);
-        WebThreadPoolService webThreadPoolService = webThreadPoolHandlerChoose.choose();
+        boolean isNullFlag = bindableCoreProperties.getJetty() == null
+                || bindableCoreProperties.getUndertow() == null
+                || bindableCoreProperties.getTomcat() == null;
+        if (isNullFlag) {
+            return;
+        }
 
+        try {
             PoolParameterInfo nowParameter = buildWebPoolParameter(bindableCoreProperties);
             if (nowParameter != null) {
+                WebThreadPoolHandlerChoose webThreadPoolHandlerChoose = ApplicationContextHolder.getBean(WebThreadPoolHandlerChoose.class);
+                WebThreadPoolService webThreadPoolService = webThreadPoolHandlerChoose.choose();
+
                 PoolParameter beforeParameter = webThreadPoolService.getWebThreadPoolParameter();
                 if (!Objects.equals(beforeParameter.getCoreSize(), nowParameter.getCoreSize())
                         || !Objects.equals(beforeParameter.getMaxSize(), nowParameter.getMaxSize())
@@ -112,6 +120,9 @@ public abstract class AbstractCoreThreadPoolDynamicRefresh implements ThreadPool
                     webThreadPoolService.updateWebThreadPool(nowParameter);
                 }
             }
+        } catch (Exception ex) {
+            log.error("Failed to modify web thread pool.", ex);
+        }
     }
 
     /**