Grails

Question

当我想插入时出现此错误。我使用的是 Grails 版本……是不是我遗漏了什么？谢谢！

2019-03-08 09:08:56,705 [http-bio-8090-exec-20] ERROR events.PatchedDefaultFlushEventListener  - Could not synchronize database state with session
org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update
    at ar.com.mlan.api.PdCController$_save_closure2.doCall(PdCController.groovy:201)
    at ar.com.mlan.api.PdCController.save(PdCController.groovy:161)
    at grails.plugin.cache.web.filter.PageFragmentCachingFilter.doFilter(PageFragmentCachingFilter.java:198)
    at grails.plugin.cache.web.filter.AbstractFilter.doFilter(AbstractFilter.java:63)
    at grails.plugin.springsecurity.rest.RestTokenValidationFilter.processFilterChain(RestTokenValidationFilter.groovy:118)
    at grails.plugin.springsecurity.rest.RestTokenValidationFilter.doFilter(RestTokenValidationFilter.groovy:84)
    at grails.plugin.springsecurity.web.filter.GrailsAnonymousAuthenticationFilter.doFilter(GrailsAnonymousAuthenticationFilter.java:53)
    at grails.plugin.springsecurity.rest.RestAuthenticationFilter.doFilter(RestAuthenticationFilter.groovy:143)
    at grails.plugin.springsecurity.web.authentication.logout.MutableLogoutFilter.doFilter(MutableLogoutFilter.java:82)
    at com.brandseye.cors.CorsFilter.doFilter(CorsFilter.java:82)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:744)

Answer 1

ConstraintViolationException …因此请检查域对象的约束与您尝试保存的数据。

Grails - 无法将数据库状态与会话同步

Grails - Could not synchronize database state with session

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