点击提交出现500错误 ,这个问题与那位同学的一样 老师你可以说的在具体一点?
Type Exception Report Message Request processing failed; nested exception is java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 Description The server encountered an unexpected condition that prevented it from fulfilling the request. Exception org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:973) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852) javax.servlet.http.HttpServlet.service(HttpServlet.java:622) org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) com.imooc.oa.global.EncodingFilter.doFilter(EncodingFilter.java:21) Root Cause java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 java.util.ArrayList.rangeCheck(ArrayList.java:657) java.util.ArrayList.get(ArrayList.java:433) com.imooc.oa.biz.impl.ClaimVoucherBizImpl.submit(ClaimVoucherBizImpl.java:89) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:498) org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317) org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98) org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262) org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207) com.sun.proxy.$Proxy23.submit(Unknown Source) com.imooc.oa.controller.ClaimVoucherController.submit(ClaimVoucherController.java:68) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:498) org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215) org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132) org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104) org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749) org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:690) org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945) org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876) org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852) javax.servlet.http.HttpServlet.service(HttpServlet.java:622) org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) com.imooc.oa.global.EncodingFilter.doFilter(EncodingFilter.java:21) Note The full stack trace of the root cause is available in the server logs.
我知道是NewArrayList这有问题 因为代码实在太多了 我真的不知道怎么去找 可以帮忙说一下 在那个位置 怎么去修改 希望 您可以给具体一点
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chrismorgen
2018-10-09 10:10:20
如下图所示,跟据报错提示是list集合出现数组下标越界,建议你在代码中输出olds集合和items集合的数据看一下,在执行操作的过程中,olds中的数据和items中的数据分别都是什么。祝学习愉快~
_陈辰晨尘_
2018-10-08 19:48:03
package com.imooc.oa.biz.impl; import com.imooc.oa.biz.ClaimVoucherBiz; import com.imooc.oa.dao.ClaimVoucherDao; import com.imooc.oa.dao.ClaimVoucherItemDao; import com.imooc.oa.dao.DealRecordDao; import com.imooc.oa.dao.EmployeeDao; import com.imooc.oa.entity.ClaimVoucher; import com.imooc.oa.entity.ClaimVoucherItem; import com.imooc.oa.entity.DealRecord; import com.imooc.oa.entity.Employee; import com.imooc.oa.global.Contant; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import java.util.Date; import java.util.List; @Service("claimVoucherBiz") public class ClaimVoucherBizImpl implements ClaimVoucherBiz { @Autowired private ClaimVoucherDao claimVoucherDao; @Autowired private ClaimVoucherItemDao claimVoucherItemDao; @Autowired private DealRecordDao dealRecordDao; @Autowired private EmployeeDao employeeDao; public void save(ClaimVoucher claimVoucher, List<ClaimVoucherItem> items) { claimVoucher.setCreateTime(new Date()); claimVoucher.setNextDealSn(claimVoucher.getCreateSn()); claimVoucher.setStatus(Contant.CLAIMVOUCHER_CREATED); claimVoucherDao.insert(claimVoucher); for(ClaimVoucherItem item:items){ item.setClaimVoucherId(claimVoucher.getId()); claimVoucherItemDao.insert(item); } } public ClaimVoucher get(int id) { return claimVoucherDao.select(id); } public List<ClaimVoucherItem> getItems(int cvid) { return claimVoucherItemDao.selectByClaimVoucher(cvid); } public List<DealRecord> getRecords(int cvid) { return dealRecordDao.selectByClaimVoucher(cvid); } public List<ClaimVoucher> getForSelf(String sn) { return claimVoucherDao.selectByCreateSn(sn); } public List<ClaimVoucher> getForDeal(String sn) { return claimVoucherDao.selectByNextDealSn(sn); } public void update(ClaimVoucher claimVoucher, List<ClaimVoucherItem> items) { claimVoucher.setNextDealSn(claimVoucher.getCreateSn()); claimVoucher.setStatus(Contant.CLAIMVOUCHER_CREATED); claimVoucherDao.update(claimVoucher); List<ClaimVoucherItem> olds=claimVoucherItemDao.selectByClaimVoucher(claimVoucher.getId()); for(ClaimVoucherItem old:olds){ boolean isHave=false; for(ClaimVoucherItem item:items){ if(item.getId()==old.getId()){ isHave=true; break; } } if(!isHave){ claimVoucherItemDao.delete(old.getId()); } } for(ClaimVoucherItem item:items){ item.setClaimVoucherId(claimVoucher.getId()); if(item.getId()>0){ claimVoucherItemDao.update(item); }else{ claimVoucherItemDao.insert(item); } } } public void submit(int id) { ClaimVoucher claimVoucher = claimVoucherDao.select(id); Employee employee = employeeDao.select(claimVoucher.getCreateSn()); claimVoucher.setStatus(Contant.CLAIMVOUCHER_SUBMIT); claimVoucher.setNextDealSn(employeeDao.selectByDepartmentAndPost(employee.getDepartmentSn(),Contant.POST_FM).get(0).getSn()); claimVoucherDao.update(claimVoucher); DealRecord dealRecord = new DealRecord(); dealRecord.setDealWay(Contant.DEAL_SUBMIT); dealRecord.setDealSn(employee.getSn()); dealRecord.setClaimVoucherId(id); dealRecord.setDealResult(Contant.CLAIMVOUCHER_SUBMIT); dealRecord.setDealTime(new Date()); dealRecord.setComment("无"); dealRecordDao.insert(dealRecord); } }
chrismorgen
2018-10-08 18:59:49
如下图所示,报错中有提示,在ClaimVoucherBizImpl类中第89行出现问题,
你可以参考下图,我在老师的源码中标记了,建议你检查一下items集合中是否没有添加数据,如果有不明白的地方可以继续提问,祝学习愉快~
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