fix: Add some ERROR logs.

hippo4j-adapter/hippo4j-adapter-web/src/main/java/cn/hippo4j/adapter/web/AbstractWebThreadPoolService.java

@@ -17,7 +17,6 @@
 
 package cn.hippo4j.adapter.web;
 
-import cn.hippo4j.common.config.ApplicationContextHolder;
 import cn.hippo4j.common.enums.WebContainerEnum;
 import cn.hippo4j.common.model.ThreadPoolBaseInfo;
 import cn.hippo4j.common.model.ThreadPoolParameter;
@@ -26,14 +25,7 @@ import cn.hippo4j.common.model.ThreadPoolRunStateInfo;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.boot.ApplicationArguments;
 import org.springframework.boot.ApplicationRunner;
-import org.springframework.boot.web.context.WebServerApplicationContext;
-import org.springframework.boot.web.server.WebServer;
-import org.springframework.context.ApplicationContext;
-
-import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.Executor;
-import java.util.concurrent.ThreadPoolExecutor;
-import java.util.concurrent.TimeUnit;
 
 /**
  * Abstract web thread pool service.

hippo4j-spring-boot/hippo4j-config-spring-boot-1x-starter/src/main/java/cn/hippo4j/config/springboot1x/starter/web/jetty/JettyWebThreadPoolHandler1x.java

@@ -26,6 +26,7 @@ import cn.hippo4j.common.model.ThreadPoolParameterInfo;
 import cn.hippo4j.common.model.ThreadPoolRunStateInfo;
 import cn.hippo4j.common.web.exception.ServiceException;
 import cn.hippo4j.config.springboot1x.starter.web.AbstractWebThreadPoolService1x;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.boot.context.embedded.jetty.JettyEmbeddedServletContainer;
 
 import java.util.concurrent.Executor;
@@ -33,6 +34,7 @@ import java.util.concurrent.Executor;
 /**
  * WebThreadPoolHandler compatible with Jetty container for Spring 1.x version.
  */
+@Slf4j
 public class JettyWebThreadPoolHandler1x extends AbstractWebThreadPoolService1x {
 
     public JettyWebThreadPoolHandler1x() {
@@ -44,7 +46,8 @@ public class JettyWebThreadPoolHandler1x extends AbstractWebThreadPoolService1x
         try {
             return ((JettyEmbeddedServletContainer) getContainer()).getServer().getThreadPool();
         } catch (Throwable th) {
-            throw new ServiceException("Failed to get Jetty thread pool.", th);
+            log.error("Failed to get Jetty thread pool.", th);
+            return null;
         }
     }
 

hippo4j-spring-boot/hippo4j-config-spring-boot-1x-starter/src/main/java/cn/hippo4j/config/springboot1x/starter/web/tomcat/TomcatWebThreadPoolHandler1x.java

@@ -48,7 +48,8 @@ public class TomcatWebThreadPoolHandler1x extends AbstractWebThreadPoolService1x
             return ((TomcatEmbeddedServletContainer) getContainer())
                     .getTomcat().getConnector().getProtocolHandler().getExecutor();
         } catch (Throwable th) {
-            throw new ServiceException("Failed to get Tomcat thread pool.", th);
+            log.error("Failed to get Tomcat thread pool.", th);
+            return null;
         }
     }
 

hippo4j-spring-boot/hippo4j-config-spring-boot-1x-starter/src/main/java/cn/hippo4j/config/springboot1x/starter/web/undertow/UndertowWebThreadPoolHandler1x.java

@@ -55,7 +55,8 @@ public class UndertowWebThreadPoolHandler1x extends AbstractWebThreadPoolService
             Undertow undertow = (Undertow) ReflectionUtils.getField(field, container);
             return undertow.getWorker();
         } catch (Throwable th) {
-            throw new ServiceException("Failed to get Undertow thread pool.", th);
+            log.error("Failed to get Undertow thread pool.", th);
+            return null;
         }
     }