出现java.lang.IndexOutOfBoundsException: Index: 0, Size: 0错误

2011-12-13 11:02:22 1.5万阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

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The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:515)
org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:422)

root cause

java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
java.util.ArrayList.RangeCheck(ArrayList.java:547)
java.util.ArrayList.get(ArrayList.java:322)
teacher.action.RecordAction.convertr(RecordAction.java:97)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:597)
com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:404)
com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:267)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:221)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:150)
org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:48)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:123)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:184)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:105)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:83)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:207)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:74)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:127)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
org.apache.struts2.interceptor.ProfilingActivationInterceptor.intercept(ProfilingActivationInterceptor.java:107)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(

...全文

CANOE DIVA 工程怎样在具体服务前增加前置条件然后会在CANoe的Test Module视窗中发现一个跟系统条件相关的Test Module模块，在该模块中有生成跟系统条件相关的CAPL 脚本。这里需要根据你的实际项目进行更改，diva工程加载到canoe的工程的时候，会同步加入你创建的cdd文件，这里示例的ABS_ESP 就是你的cdd的ECU命名，后面就是具体的前置条件服务。4、配置完成后，测试用例就会如下图Trace窗口所示，在每一次10 02请求之前都会调用CAPL Function的PreconditionCheck函数中定义的脚本。阅读详情

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切换为时间正序

v52012v 2011-12-15

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我Struts2 也出现这个问题
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0

wang7535067 2011-12-15

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ArrayList得到的是空的，所以报那个异常。

algona 2011-12-15

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java.util.ArrayList.get(ArrayList.java:322)
teacher.action.RecordAction.convertr(RecordAction.java:97)

RecordAction.java:97
看看这一行了

对java有感觉 2011-12-15

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楼主debug下看看你代码很多不知道冲哪里开始开
你在有关数据和聚合的地方打下断点看看
也有可能你的集合或者数组为空里面没有值也有可能~~！

对java有感觉 2011-12-13

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异常就是越界看看你的代码菜能帮你解决问题~~！

Emmonsnike 2011-12-13

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java.util.ArrayList.RangeCheck(ArrayList.java:547)
ArrayList内容为空故无法访问其元素

Emmonsnike 2011-12-13

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越界访问

风影simple 2011-12-13

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javax.servlet.ServletException: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0

erwei1111 2011-12-13

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应该显式出到底是哪一行出现问题，要有的放矢

cgret 2011-12-13

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数组越界，找到报错的哪一行，
debug调试一下，应该是
List<lesson> lessonlist=this.getGetLesson();//获得此教师这学期所授课程
这段

mengxuexueer_mu 2011-12-13

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[Quote=引用 4 楼 cs123456789dn 的回复:]
异常就是越界看看你的代码菜能帮你解决问题~~！
[/Quote]
ACTION 中的代码如下：
public String convertr(){
Map session=ActionContext.getContext().getSession();
Users users=(Users)session.get("users");
String personId=users.getPersonId();

teachcourseDAO Tc=new teachcourseDAO();
getLesson =Tc.getLesson(personId);

List<lesson> lessonlist=this.getGetLesson();//获得此教师这学期所授课程

String lessonid=lessonlist.get(0).getLessonid();
lessonDAO LD=new lessonDAO();
selectlesson=LD.selectlesson(lessonid);

RecordDAO TD=new RecordDAO();
queryrecord=TD.queryrecord(personId, lessonid);

Map<String, ArrayList<Actemplist>> request = (Map)ActionContext.getContext().get("request");
List<actualtime> actimelist= this.getQueryrecord();
System.out.println(actimelist.size());

templists =new ArrayList();
for (int i = 0; i < actimelist.size(); i++)
{
Actemplist templist = new Actemplist();

Date date=actimelist.get(i).getRealstarttime();
java.sql.Date dates = java.sql.Date.valueOf(date+"");
java.util.Calendar c = java.util.Calendar.getInstance();
c.setTime(dates);
int WEEK_OF_YEAR= c.get(Calendar.WEEK_OF_YEAR)-34;
int DAY_OF_WEEK=c.get(Calendar.DAY_OF_WEEK);

timechaange tc=new timechaange();
int j=DAY_OF_WEEK;
String week=tc.change(j);

templist.setRweektime(week);
templist.setRweek(WEEK_OF_YEAR);
templist.setRealstime(actimelist.get(i).getRealstime());
templist.setRealetime(actimelist.get(i).getRealetime());
templist.setLessonname(actimelist.get(i).getLessonname());

@SuppressWarnings("unused")
String h=actimelist.get(i).getVstate();
String vstate="已完成";
templist.setVstate(vstate);

templists.add(templist);
}
request.put("actimelist", templists);
System.out.println(templists);

return SUCCESS;
}
DAO中的代码：
public List<actualtime> queryrecord(String personId, String lessonid) {
List<actualtime> list=new ArrayList<actualtime>();
PreparedStatement ps=null;
String sql="select A.Drealstarttime,A.Drealendtime,A.vstate,B.VLESSONNAME from ACTUAL_QATIME A,BASIC_INFO_LESSON B where B.VLESSONID = A.vlessonid and A.vteacherid='"+personId+"' and A.vlessonid='"+lessonid+"' and vstate='0'";
try{
ps=odb.getConnection().prepareStatement(sql);
ResultSet rs=ps.executeQuery();
while(rs.next()){
actualtime at=new actualtime();

at.setLessonname(rs.getString("vlessonname"));

at.setRealstime(rs.getTime(1));

at.setRealetime(rs.getTime(2));

at.setRealstarttime(rs.getDate(1));

at.setRealendtime(rs.getDate(2));
at.setVstate(rs.getString(3));

list.add(at);

}
}catch (Exception e){
e.printStackTrace();
}finally{
odb.close();
}
return list;
}

出现java.lang.IndexOutOfBoundsException: Index: 0, Size: 0错误

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