[BUG]fastjson2-2.0.51 版本 com.alibaba.fastjson2.writer.ObjectWriterAdapter#toJSONObject(T, long) 方法Date类型字段format=millis时传入空报空指针,不兼容。
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Description
### 问题描述
*简要描述您碰到的问题。*
fastjson2-2.0.51 版本 com.alibaba.fastjson2.writer.ObjectWriterAdapter#toJSONObject(T, long) 方法Date类型字段format=millis时传入空报空指针,不兼容。
### 环境信息
*请填写以下信息:*
fastjson2-2.0.51
- OS信息: [e.g.:CentOS 8.4.2105 4Core 3.10GHz 16 GB]
- JDK信息: [e.g.:Openjdk 1.8.0_312]
- 版本信息:[e.g.:Fastjson2 2.x.x]
### 重现步骤
*如何操作可以重现该问题:*
com.alibaba.fastjson2.writer.ObjectWriterAdapter#toJSONObject(T, long) 方法Date类型字段format=millis时传入空报空指针,不兼容。
1. 使用 `xxx.xxx` 方法
2. 输入 `...` 数据
3. 出现 `...` 错误
```java
//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。*
### 相关日志输出
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#### 附加信息
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Contributor guide
Research direction
Start at com.alibaba.fastjson2.writer.ObjectWriterAdapter#toJSONObject(T, long) and reproduce the reported case with a Date field using format=millis and a null value. Inspect the resulting null-pointer failure; done requires resolving the reported incompatibility without the exception, with the expected result confirmed before adding or updating coverage.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- backend
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100