报错为：java.util.LinkedHashMap cannot be cast to 解决办法 从json字符串转换为FdcpRes的对象中已经没有了泛型，所以可以把这个FdcpRes里的data...java.util.ArrayList; import java.util.List; /** * @author chaird * @create 2022-04-17 13:11 */ public class...字符串 String s = JsonUtils.objectToJson(res); FdcpRes fdcpRes = JsonUtils.jsonToPojo(s, FdcpRes.class...JsonUtils.objectToJson(fdcpRes.getData()); List data = JsonUtils.jsonToList(s, Ecodata.class
本文翻译自：https://www.baeldung.com/jackson-linkedhashmap-cannot-be-cast 1.概述： Jackson是一个广泛使用的 Java 库，它允许我们方便地序列化...有时，当我们尝试将 JSON 或 XML 反序列化为对象集合时，可能会遇到“ java.lang.ClassCastException: java.util.LinkedHashMap cannot be...*java.util.LinkedHashMap cannot be cast to ....为什么抛出异常 现在，如果我们仔细查看异常消息：“ class java.util.LinkedHashMap cannot be cast to class ......如果我们再次运行测试方法，我们将得到： java.lang.ClassCastException: class java.util.LinkedHashMap cannot be cast to class
loanApiService.queryWithdrawResult(contractNo); WithdrawResultDto withdraw = withdrawResult.getData(); ApiResult 的代码： public class...c.a.c.c.h.i.SerializerFactory[652] |-|Hessian/Burla p: 'com.xxxx.malm.api.protoss.dto.WithdrawResultDto' is an unknown class...:42:37.940+08:00 |-|c.m.a.b.a.d.f.BgisDeductionFacadeImpl[96] |-|【结算 单撤销】系统异常,异常原因: |-| java.lang.ClassCastException...: java.util.HashMap cannot be cast to com.xxxx.malm.api.mac.dto.WithdrawResultDto at com.xxxx.acs.xxxx.apps.deduction.service.impl.DeductionServiceImpl.isCancelByTerm...ProtocolFilterWrapper.java:69) 前面的warning 信息指出：‘com.xxxx.malm.api.protoss.dto.WithdrawResultDto’ is an unknown class
在使用 DevTools 时，通用Mapper经常会出现 class x.x.A cannot be cast to x.x.A。...基本原因是因为classLoader不同造成的，如果使用了spring-dev-tools之后，就会使用spring自己的RestartClassLoader 来装载类 错误堆栈： java.lang.ClassCastException...: com.zh.car.core.utils.DataGrid cannot be cast to com.zh.car.core.utils.DataGrid at com.alibaba.dubbo.common.bytecode.proxy3
Type Exception Report Message Request processing failed; nested exception is java.lang.ClassCastException...: cn.com.ecict.bean.UserBean cannot be cast to java.io.Serializable Description The server encountered...: cn.com.ecict.bean.UserBean cannot be cast to java.io.Serializable org.springframework.web.servlet.FrameworkServlet.processRequest...: cn.com.ecict.bean.UserBean cannot be cast to java.io.Serializable org.hibernate.type.ManyToOneType.hydrate...@Entity @Table(name="users") public class UserBean implements Serializable { @Id @GeneratedValue
在Hibernate HQL 查询中，有时候会遇到 ---- java.lang.ClassCastException: java.lang.String cannot be cast to com.qbz.entity.TblUser
1.2、获取缓存异常：java.util.LinkedHashMap cannot be cast to XXX.XXX 2021-11-16 18:17:27,225 ERROR com.zhili.common.controller.BaseController...- [39] - java.util.LinkedHashMap cannot be cast to com.zhili.common.result.ResultListBo2021-11-16 18...- [39] - java.util.LinkedHashMap cannot be cast to com.zhili.common.result.ResultListVo2021-11-16 18...: java.util.LinkedHashMap cannot be cast to com.zhili.common.result.ResultVo at com.zhili.kanli.controller.talent.TalentUserController...: java.util.LinkedHashMap cannot be cast to XXX om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL
错误提示： java.lang.ClassCastException: android.widget.ImageView cannot be cast to android.widget.TextView...，将【原来ViewGroup】.LayoutParams改成【新viewGraoup】.LayoutParams 如果没有使用LayoutParams，移动xml布局后报这个错，可能是之前编译生成的.class
org.flowable.common.engine.api.FlowableException: Error initialising eventregistry data model … Caused by: java.lang.ClassCastException...: class java.time.LocalDateTime cannot be cast to class java.lang.String (java.time.LocalDateTime and
项目中，在获取json数据转换为list类型以后，本来以为可以直接使用，结果在使用中报错“java.lang.ClassCastException: java.util.LinkedHashMap cannot...be cast to com.XX”，搜索后发现是在转换成list时，list类型是LinkedHashMap而不是我需要的对象，Jackson在转换时按照标准行为将数据以List<LinkedHashMap
XXXXNameList.contains(e.getName())).collect(Collectors.toList()); 报错信息： java.lang.ClassCastException:...java.util.LinkedHashMap cannot be cast to com.xxx.xxxx.entity.xxxx 分析： 打断点调试，发现 map是LinkedHashMap，得到的其实是个
java.lang.ClassCastException: java.lang.String cannot be cast to com.alibaba.fastjson.JSONObject at com.alibaba.fastjson.JSONObject.getJSONObject...(JSONObject.java:109) 问题概述 “ java.lang.ClassCastException: java.lang.String cannot be cast to com.alibaba.fastjson.JSONObject...示例: 一个正常的json字符串,如下： String s = “{\”id\”:1,\”name\”:\”name\”}”; JSONObject.parseObject(s, T.class);
但是在继承对象之间的强制转换可能会遇到 java.lang.ClassCastException 异常的错误。...: class com.ossez.usreio.mls.common.models.response.ListingResponse cannot be cast to class com.ossez.usreio.mls.common.models.response.ListingDetailResponse...module of loader org.springframework.boot.loader.LaunchedURLClassLoader @4ee285c6)] with root cause java.lang.ClassCastException...: class com.ossez.usreio.mls.common.models.response.ListingResponse cannot be cast to class com.ossez.usreio.mls.common.models.response.ListingDetailResponse...https://www.ossez.com/t/java-java-lang-classcastexception/13862
(WordCountMap.class); job.setReducerClass(WordCountReduce.class); job.setPartitionerClass(MyPartitioner.class...: org.apache.hadoop.io.Text cannot be cast to org.apache.hadoop.io.IntWritable java.lang.Exception:...java.lang.ClassCastException: org.apache.hadoop.io.LongWritable cannot be cast to org.apache.hadoop.io.IntWritable...❞ java.lang.Exception: java.lang.ClassCastException: org.apache.hadoop.io.Text cannot be cast to org.apache.hadoop.io.IntWritable...: org.apache.hadoop.io.Text cannot be cast to org.apache.hadoop.io.IntWritable at org.apache.hadoop.mapred.MapTask
ApplyRequest extends ApplyEntity{ /** * 泛型属性，作为流程内容 */ private T applyContent...; public T getApplyContent() { return applyContent; } public void setApplyContent...(T applyContent) { this.applyContent = applyContent; } @Override public String toString...null; } } 测试方法，于是我们得到了如下异常： { "statusCode": "100000", "msg": "系统未知异常", "error": "java.lang.ClassCastException...: java.util.LinkedHashMap cannot be cast to com.suning.drp.common.applicationcenter.bean.PostInfo" }
BaseDao{ @Resource private SessionFactory sessionFactory; Class clazz; /** * 通过反射获取參数类型...this); ParameterizedType pt = (ParameterizedType) this.getClass().getGenericSuperclass(); clazz=(Class...因为@Transactional可继承，所以UserServiceImpl是不用放的 当启动server时会报错：Caused by: java.lang.ClassCastException: java.lang.Class...cannot be cast to java.lang.reflect.ParameterizedType 为什么会这样呢？...BaseDaoImpl implements BaseDao{ @Resource private SessionFactory sessionFactory; Class
strList.asInstanceOf[List[Int]] val head = strToIntList(0) println(head) } 输出： Exception in thread "main" java.lang.ClassCastException...: java.lang.String cannot be cast to java.lang.Integer at scala.runtime.BoxesRunTime.unboxToInt(BoxesRunTime.java...翻看 Scala 文档终于找到了原因： final def asInstanceOf[T0]: T0 Cast the receiver object to be of type T0....利用这个特性我们可以写出一些很有意思的代码，虽然 Class[T] 是 invariant 的，利用 asInstanceOf 方法可以让它变成 covariant，示例代码如下： object Test...extends App { val jsObjClass: Class[JsObject] = classOf[JsObject] val jsValueClass: Class[JsValue
hive升级过程中异常记录-java.lang.ClassCastException: org.apache.hadoop.hive.ql.io.orc.OrcStruct cannot be cast...to org.apache.hadoop.io.BinaryComparable 常规ClassCastException问题梳理-来源网络 Caused by: java.lang.ClassCastException...: org.apache.hadoop.io.Text cannot be cast to org.apache.hadoop.hive.ql.io.orc.OrcSerde$OrcSerdeRow 问题原因通常是...: org.apache.hadoop.hive.ql.io.orc.OrcStruct cannot be cast to org.apache.hadoop.io.BinaryComparable...and t.TBL_ID=a.TBL_ID and OUTPUT_FORMAT='org.apache.hadoop.hive.ql.io.orc.OrcOutputFormat' and SLIB<
cannot be cast to org.apache.hadoop.hive.ql.io.orc.OrcSerde$OrcSerdeRow at org.apache.hadoop.hive.ql.io.orc.OrcOutputFormat...: org.apache.hadoop.hive.ql.io.orc.OrcStruct cannot be cast to org.apache.hadoop.io.BinaryComparable...异常的原因分析及解决方法 1.1 异常1分析 # 异常1： Caused by: java.lang.ClassCastException: org.apache.hadoop.io.Text cannot...下面是OrcOutputFormat的write方法源码： public class OrcOutputFormat extends ... { @Override public...: org.apache.hadoop.hive.ql.io.orc.OrcStruct cannot be cast to org.apache.hadoop.io.BinaryComparable
String item = (String)arrayList.get(i); /* Exception in thread "main" java.lang.ClassCastException...: java.lang.Integer cannot be cast to java.lang.String */ System.out.println...: java.lang.Integer cannot be cast to java.lang.String */ System.out.println...} // 接口InterfaceImp1 class InterfaceImp1 implements Interface { //子类实现接口时候继续保留泛型 @Override...public void test(T t) { System.out.println(t); } } class InterfaceImp2 implements Interface
领取专属 10元无门槛券
手把手带您无忧上云
云服务器
ICP备案
实时音视频
即时通信 IM
对象存储
