我使用Grails 2.3.11和Hibernate与MySQL。
我得到了这个奇怪的错误：
Message
Executing action [handle] of controller [org.grails.jaxrs.JaxrsController] in plugin [jaxrs] caused exception: Runtime error executing action
Caused by
Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
微量
Line | Method
->> 159 | invoke in org.codehaus.groovy.grails.web.servlet.mvc.MixedGrailsControllerHelper
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
| 354 | handleAction in org.codehaus.groovy.grails.web.servlet.mvc.AbstractGrailsControllerHelper
| 231 | executeAction . . . . . . . . . . . . in ''
| 197 | handleURI in ''
| 121 | handleURI . . . . . . . . . . . . . . in ''
| 72 | handleRequest in org.codehaus.groovy.grails.web.servlet.mvc.SimpleGrailsController
| 48 | handle . . . . . . . . . . . . . . . in org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter
| 355 | doDispatch in org.codehaus.groovy.grails.web.servlet.GrailsDispatcherServlet
| 851 | doService . . . . . . . . . . . . . . in org.springframework.web.servlet.DispatcherServlet
| 953 | processRequest in org.springframework.web.servlet.FrameworkServlet
| 855 | doPost . . . . . . . . . . . . . . . in ''
| 646 | service in javax.servlet.http.HttpServlet
| 829 | service . . . . . . . . . . . . . . . in org.springframework.web.servlet.FrameworkServlet
| 727 | service in javax.servlet.http.HttpServlet
| 303 | internalDoFilter . . . . . . . . . . in org.apache.catalina.core.ApplicationFilterChain
| 208 | doFilter in ''
| 52 | doFilter . . . . . . . . . . . . . . in org.apache.tomcat.websocket.server.WsFilter
| 241 | internalDoFilter in org.apache.catalina.core.ApplicationFilterChain
| 208 | doFilter . . . . . . . . . . . . . . in ''
| 198 | doFilter in grails.plugin.cache.web.filter.PageFragmentCachingFilter
| 63 | doFilter . . . . . . . . . . . . . . in grails.plugin.cache.web.filter.AbstractFilter
| 343 | invokeDelegate in org.springframework.web.filter.DelegatingFilterProxy
| 260 | doFilter . . . . . . . . . . . . . . in ''
| 241 | internalDoFilter in org.apache.catalina.core.ApplicationFilterChain
| 208 | doFilter . . . . . . . . . . . . . . in ''
| 100 | doFilter in org.springframework.web.filter.OncePerRequestFilter
| 241 | internalDoFilter . . . . . . . . . . in org.apache.catalina.core.ApplicationFilterChain
| 208 | doFilter in ''
| 100 | doFilter . . . . . . . . . . . . . . in org.springframework.web.filter.OncePerRequestFilter
| 241 | internalDoFilter in org.apache.catalina.core.ApplicationFilterChain
| 208 | doFilter . . . . . . . . . . . . . . in ''
| 100 | doFilter in org.springframework.web.filter.OncePerRequestFilter
| 241 | internalDoFilter . . . . . . . . . . in org.apache.catalina.core.ApplicationFilterChain
| 208 | doFilter in ''
| 100 | doFilter . . . . . . . . . . . . . . in org.springframework.web.filter.OncePerRequestFilter
| 241 | internalDoFilter in org.apache.catalina.core.ApplicationFilterChain
| 208 | doFilter . . . . . . . . . . . . . . in ''
| 748 | invoke in org.apache.catalina.core.ApplicationDispatcher
| 486 | processRequest . . . . . . . . . . . in ''
| 411 | doForward in ''
| 338 | forward . . . . . . . . . . . . . . . in ''
| 332 | forwardRequestForUrlMappingInfo in org.codehaus.groovy.grails.web.util.WebUtils
| 297 | forwardRequestForUrlMappingInfo . . . in ''
| 288 | forwardRequestForUrlMappingInfo in ''
| 217 | doFilterInternal . . . . . . . . . . in org.codehaus.groovy.grails.web.mapping.filter.UrlMappingsFilter
| 106 | doFilter in org.springframework.web.filter.OncePerRequestFilter
| 241 | internalDoFilter . . . . . . . . . . in org.apache.catalina.core.ApplicationFilterChain
| 208 | doFilter in ''
| 233 | executeFilterChainWithWrappedResponse in org.codehaus.groovy.grails.web.sitemesh.GrailsPageFilter
| 208 | obtainContent in ''
| 153 | doFilter . . . . . . . . . . . . . . in ''
| 241 | internalDoFilter in org.apache.catalina.core.ApplicationFilterChain
| 208 | doFilter . . . . . . . . . . . . . . in ''
| 369 | doFilter in org.springframework.security.web.FilterChainProxy$VirtualFilterChain
| 109 | invoke . . . . . . . . . . . . . . . in org.springframework.security.web.access.intercept.FilterSecurityInterceptor
| 83 | doFilter in ''
| 381 | doFilter . . . . . . . . . . . . . . in org.springframework.security.web.FilterChainProxy$VirtualFilterChain
| 97 | doFilter in org.springframework.security.web.access.ExceptionTranslationFilter
| 381 | doFilter . . . . . . . . . . . . . . in org.springframework.security.web.FilterChainProxy$VirtualFilterChain
| 78 | doFilter in org.springframework.security.web.authentication.AnonymousAuthenticationFilter
| 381 | doFilter . . . . . . . . . . . . . . in org.springframework.security.web.FilterChainProxy$VirtualFilterChain
| 112 | doFilter in org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter
| 381 | doFilter . . . . . . . . . . . . . . in org.springframework.security.web.FilterChainProxy$VirtualFilterChain
| 54 | doFilter in org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter
| 381 | doFilter . . . . . . . . . . . . . . in org.springframework.security.web.FilterChainProxy$VirtualFilterChain
| 187 | doFilter in org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter
| 40 | doFilter . . . . . . . . . . . . . . in org.codehaus.groovy.grails.plugins.springsecurity.RequestHolderAuthenticationFilter
| 381 | doFilter in org.springframework.security.web.FilterChainProxy$VirtualFilterChain
| 79 | doFilter . . . . . . . . . . . . . . in org.codehaus.groovy.grails.plugins.springsecurity.MutableLogoutFilter
| 381 | doFilter in org.springframework.security.web.FilterChainProxy$VirtualFilterChain
| 79 | doFilter . . . . . . . . . . . . . . in org.springframework.security.web.context.SecurityContextPersistenceFilter
| 381 | doFilter in org.springframework.security.web.FilterChainProxy$VirtualFilterChain
| 168 | doFilter . . . . . . . . . . . . . . in org.springframework.security.web.FilterChainProxy
| 343 | invokeDelegate in org.springframework.web.filter.DelegatingFilterProxy
| 260 | doFilter . . . . . . . . . . . . . . in ''
| 241 | internalDoFilter in org.apache.catalina.core.ApplicationFilterChain
| 208 | doFilter . . . . . . . . . . . . . . in ''
| 69 | doFilterInternal in org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequestFilter
| 106 | doFilter . . . . . . . . . . . . . . in org.springframework.web.filter.OncePerRequestFilter
| 241 | internalDoFilter in org.apache.catalina.core.ApplicationFilterChain
| 208 | doFilter . . . . . . . . . . . . . . in ''
| 67 | doFilterInternal in org.codehaus.groovy.grails.web.filters.HiddenHttpMethodFilter
| 106 | doFilter . . . . . . . . . . . . . . in org.springframework.web.filter.OncePerRequestFilter
| 241 | internalDoFilter in org.apache.catalina.core.ApplicationFilterChain
| 208 | doFilter . . . . . . . . . . . . . . in ''
| 46 | doFilterInternal in org.grails.jaxrs.web.JaxrsFilter
| 106 | doFilter . . . . . . . . . . . . . . in org.springframework.web.filter.OncePerRequestFilter
| 241 | internalDoFilter in org.apache.catalina.core.ApplicationFilterChain
| 208 | doFilter . . . . . . . . . . . . . . in ''
| 65 | doFilter in com.github.greengerong.PreRenderSEOFilter
| 241 | internalDoFilter . . . . . . . . . . in org.apache.catalina.core.ApplicationFilterChain
| 208 | doFilter in ''
| 88 | doFilterInternal . . . . . . . . . . in org.springframework.web.filter.CharacterEncodingFilter
| 106 | doFilter in org.springframework.web.filter.OncePerRequestFilter
| 343 | invokeDelegate . . . . . . . . . . . in org.springframework.web.filter.DelegatingFilterProxy
| 260 | doFilter in ''
| 241 | internalDoFilter . . . . . . . . . . in org.apache.catalina.core.ApplicationFilterChain
| 208 | doFilter in ''
| 220 | invoke . . . . . . . . . . . . . . . in org.apache.catalina.core.StandardWrapperValve
| 122 | invoke in org.apache.catalina.core.StandardContextValve
| 170 | invoke . . . . . . . . . . . . . . . in org.apache.catalina.core.StandardHostValve
| 98 | invoke in org.apache.catalina.valves.ErrorReportValve
| 950 | invoke . . . . . . . . . . . . . . . in org.apache.catalina.valves.AccessLogValve
| 116 | invoke in org.apache.catalina.core.StandardEngineValve
| 408 | service . . . . . . . . . . . . . . . in org.apache.catalina.connector.CoyoteAdapter
| 1040 | process in org.apache.coyote.http11.AbstractHttp11Processor
| 607 | process . . . . . . . . . . . . . . . in org.apache.coyote.AbstractProtocol$AbstractConnectionHandler
| 1721 | doRun in org.apache.tomcat.util.net.NioEndpoint$SocketProcessor
| 1679 | run . . . . . . . . . . . . . . . . . in ''
| 1145 | runWorker in java.util.concurrent.ThreadPoolExecutor
| 615 | run . . . . . . . . . . . . . . . . . in java.util.concurrent.ThreadPoolExecutor$Worker
^ 745 | run in java.lang.Thread
这个错误意味着什么，我该如何预防呢？