完整异常信息：
org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [spring] in context with path [/jsgc] threw exception [Request processing failed; nested exception is org.springframework.beans.InvalidPropertyException: Invalid property 'tpbidresults[2048]' of bean class [cn.pinming.notice.entity.TPNotice]: Index of out of bounds in property path 'tpbidresults[2048]'; nested exception is java.lang.IndexOutOfBoundsException: Index: 2048, Size: 2048] with root cause
java.lang.IndexOutOfBoundsException: Index: 2048, Size: 2048
at java.util.ArrayList.rangeCheck(ArrayList.java:657)
at java.util.ArrayList.get(ArrayList.java:433)
at org.springframework.beans.AbstractNestablePropertyAccessor.getPropertyValue(AbstractNestablePropertyAccessor.java:652)
at org.springframework.beans.AbstractNestablePropertyAccessor.getNestedPropertyAccessor(AbstractNestablePropertyAccessor.java:836)
at org.springframework.beans.AbstractNestablePropertyAccessor.getPropertyAccessorForPropertyPath(AbstractNestablePropertyAccessor.java:813)
at org.springframework.beans.AbstractNestablePropertyAccessor.setPropertyValue(AbstractNestablePropertyAccessor.java:270)
at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:95)
at org.springframework.validation.DataBinder.applyPropertyValues(DataBinder.java:834)
at org.springframework.validation.DataBinder.doBind(DataBinder.java:730)
at org.springframework.web.bind.WebDataBinder.doBind(WebDataBinder.java:189)
at org.springframework.web.bind.ServletRequestDataBinder.bind(ServletRequestDataBinder.java:106)
at org.springframework.web.servlet.mvc.method.annotation.ServletModelAttributeMethodProcessor.bindRequestParameters(ServletModelAttributeMethodProcessor.java:150)
at org.springframework.web.method.annotation.ModelAttributeMethodProcessor.resolveArgument(ModelAttributeMethodProcessor.java:110)
at org.springframework.web.method.support.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.java:99)
at org.springframework.web.method.support.InvocableHandlerMethod.getMethodArgumentValues(InvocableHandlerMethod.java:161)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:128)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:817)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:731)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:968)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:870)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:682)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:844)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:765)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
原因解释：
Spring接受前台的数据超过2048出现如下异常：前台的Form 元素绑定到 后台的JaveBean对象，做的一个映射，但是这个映射的List长度不可以超过2048
溯源了下Spring的代码，找到了DataBinder，先解释下DataBinder类的作用，见链接
链接: http://docs.spring.io/spring/docs/1.2.x/api/org/springframework/validation/DataBinder.html
可以在controller 规定 长度即可；
解决方案：
@InitBinder
public void initBinder(WebDataBinder binder) {
binder.setAutoGrowCollectionLimit(**2048**);
}
原文地址:https://blog.csdn.net/qq_33578833/article/details/134752450
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