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Merge pull request #16 from Karenlrx/master
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Update faq.md
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junqizhang-dev committed Jul 1, 2020
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Expand Up @@ -303,6 +303,14 @@ Evidence的key是数据的hash值(通过WeIdentity SDK提供的sha3函数计

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- **CredentialService和CredentialPojoService的区别在哪?**

1. CredentialService相比CredentialPojoService是比较老的方式,现在使用的都是CredentialPojoService,后续版本会去掉CredentialService,请使用CredentialPojoService来创建凭证。
2. CredentialPojo支持嵌套、Lite化、Presentation、PDF/二维码生成、零知识证明、时间戳服务等,前者不支持。
3. AmopService中的requestIssueCredential方法是零知识证明使用环节中需要的一步,如果是普通的Credential 请使用CredentialPojoService来创建来创建。

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- **注意配置MYSQL的最大链接数**

如果MYSQL有设置最大链接数,请注意将连接数设置为:业务系统连接池maxActive + SDK的maxActive。否则有可能出现数据库锁表的情况。
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