alibaba
[BUG] parseObject异常抛出文案不友好
问题描述
简要描述您碰到的问题。
环境信息
请填写以下信息：
- OS信息： [e.g.：windows10]
- JDK信息： [e.g.：Openjdk 1.8.0_312]
- 版本信息：[e.g.：Fastjson2 2.0.6]
重现步骤
如何操作可以重现该问题：
- 使用
xxx.xxx方法 - 输入
...数据 - 出现
...错误
//可在此输入示例代码
期待的正确结果
对您期望发生的结果进行清晰简洁的描述。 相比1.2.84 转换异常抛出的文案比较友好，如java.lang.Integer cannot be cast to com.alibaba.fastjson.JSONObject，但fastjson2 只会抛出com.alibaba.fastjson.JSONException: illegal input， offset 1, char 2
相关日志输出
请复制并粘贴任何相关的日志输出。
com.alibaba.fastjson.JSONException: illegal input， offset 1, char 2
at com.alibaba.fastjson.JSON.parseObject(JSON.java:109)
at com.alibaba.fastjson.JSON.parseObject(JSON.java:66)
at com.platform.dict.aspect.DictAspect.parseDictText(DictAspect.java:90)
at com.platform.dict.aspect.DictAspect.doAround(DictAspect.java:59)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:644)
at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:633)
at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688)
at com.platform.modules.match.MatchApiController$$EnhancerBySpringCGLIB$$4e338cb9.policyYear(
附加信息
如果你还有其他需要提供的信息，可以在这里填写（可以提供截图、视频等）。
https://oss.sonatype.org/content/repositories/snapshots/com/alibaba/fastjson2/fastjson2/2.0.7-SNAPSHOT/
问题已经修复，已经和fastjson 1.x一样，补上错误信息。你可以先用2.0.7-SNAPSHOT版本验证
能提供输入json字符串和新的报错堆栈信息么？
Caused by: com.alibaba.fastjson2.JSONException: illegal input， offset 1, char n
at com.alibaba.fastjson2.JSONReader.read(JSONReader.java:1444)
at com.alibaba.fastjson.JSON.parseObject(JSON.java:183)
... 11 more
2.0.26 版本也遇到了这个问题 Caused by: com.alibaba.fastjson2.JSONException: illegal input， offset 1, char F at com.alibaba.fastjson2.JSONReader.read(JSONReader.java:1459) at com.alibaba.fastjson.JSON.parseObject(JSON.java:183) ... 6 more
2.0.56也遇到了
com.alibaba.fastjson.JSONException: invalid escape character EOI, offset 581, character ", line 20, column 19, fastjson-version 2.0.56 { "busInfo": { "item": [ { "dbuscard": "苏E-06971D", "lguid": "0000000000LINELINEINFO12111220461674", "sguid": "000000000LINESTANDINFO20062947271526", "lastslon": 1, "lastlongitude": "121.14617", "lastlatitude": "31.40971", "lastspeed": 23, "lastdirection": 202, "oilvalue": "0", "passengeramount": 0, "modifydate": "2025-08-12 06:10:29" }, { "dbuscard": "苏E-38766D", "lguid": "0000000000LINELINEINFO12111220461674", "sguid": "000000000LINESTANDINFO16111121726477", "lastslon": 7, "lastlongitude": "121.12266", "lastlatitude": "31.41918", "lastspeed": 0, "lastdirection": 0, "oilvalue": "0", "passengeramount": 0, "modifydate": "2025-08-12 06:10:27" } ] } } at com.yg84.chelaile.octobus.datasource.t.taicangsuzhou.TaicangSuzhouSessionHandler.handleGpsDataMessages(TaicangSuzhouSessionHandler.java:132) ~[classes/:?] at com.yg84.chelaile.octobus.datasource.t.taicangsuzhou.TaicangSuzhouSessionHandler.processMessageByType(TaicangSuzhouSessionHandler.java:87) ~[classes/:?] at com.yg84.chelaile.octobus.datasource.t.taicangsuzhou.TaicangSuzhouSessionHandler.onMessagesPackageReceived(TaicangSuzhouSessionHandler.java:66) ~[classes/:?] at com.yg84.chelaile.octobus.engine.datafetcher.impl.socket.mina.DataFetcherIoHandler.messageReceived(DataFetcherIoHandler.java:113) ~[classes/:?] at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:1015) ~[mina-core-2.1.7.jar:?] at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650) ~[mina-core-2.1.7.jar:?] at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49) ~[mina-core-2.1.7.jar:?] at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128) ~[mina-core-2.1.7.jar:?] at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:418) ~[mina-core-2.1.7.jar:?] at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:257) ~[mina-core-2.1.7.jar:?] at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650) ~[mina-core-2.1.7.jar:?] at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49) ~[mina-core-2.1.7.jar:?] at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128) ~[mina-core-2.1.7.jar:?] at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:122) ~[mina-core-2.1.7.jar:?] at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650) ~[mina-core-2.1.7.jar:?] at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:643) ~[mina-core-2.1.7.jar:?] at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:539) ~[mina-core-2.1.7.jar:?] at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$1200(AbstractPollingIoProcessor.java:68) ~[mina-core-2.1.7.jar:?] at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.process(AbstractPollingIoProcessor.java:1224) ~[mina-core-2.1.7.jar:?] at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.process(AbstractPollingIoProcessor.java:1213) ~[mina-core-2.1.7.jar:?] at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:683) ~[mina-core-2.1.7.jar:?] at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64) ~[mina-core-2.1.7.jar:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_451] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_451] at java.lang.Thread.run(Thread.java:750) ~[?:1.8.0_451]
