调用ajax,返回json,
报异常
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2882)
at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:100)
at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:572)
at java.lang.StringBuilder.append(StringBuilder.java:203)
at com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:502)
at com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:318)
at com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:225)
at com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)
at com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)
at com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:323)
at com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:225)
at com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)
at com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)
at com.googlecode.jsonplugin.JSONWriter.array(JSONWriter.java:409)
at com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:151)
at com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)
at com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:323)
at com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:225)
at com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)
at com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)
at com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:323)
at com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:225)
at com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)
at com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)
at com.googlecode.jsonplugin.JSONWriter.array(JSONWriter.java:409)
at com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:151)
at com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)
at com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:323)
at com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:225)
at com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)
at com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)
at com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:323)jsp中调用ajax部分:
$.ajax({
type: "POST",
//dataType: "text",
async: false,//ajax同步
url: "<%=request.getContextPath() %>/violationinfo/findStreetsNewWin.action", //提交到一般处理程序请求数据
data: "pageNum=" + pageIndex + "&pageSize=" + pageSize + "&streetNameNewWin=" + streetNameNewWin,
success: function(json) {
json = eval("(" + json + ")");
var data = json.data;
totalRecords = json.pager.totalRecord;
if(data != "" && totalRecords != 0) {
$("#table2 tr:gt(0)").remove(); //移除Id为Result的表格里的行,从第二行开始(这里根据页面布局不同页变)
$("#table2").append(data); //将返回的数据追加到表格
}else {
$("#table2 tr:gt(0)").remove(); //移除Id为Result的表格里的行,从第二行开始(这里根据页面布局不同页变)
}
}
});
请问是什么原因啊?该如何解决呢?非常感谢
报异常
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2882)
at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:100)
at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:572)
at java.lang.StringBuilder.append(StringBuilder.java:203)
at com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:502)
at com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:318)
at com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:225)
at com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)
at com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)
at com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:323)
at com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:225)
at com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)
at com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)
at com.googlecode.jsonplugin.JSONWriter.array(JSONWriter.java:409)
at com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:151)
at com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)
at com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:323)
at com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:225)
at com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)
at com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)
at com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:323)
at com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:225)
at com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)
at com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)
at com.googlecode.jsonplugin.JSONWriter.array(JSONWriter.java:409)
at com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:151)
at com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)
at com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:323)
at com.googlecode.jsonplugin.JSONWriter.bean(JSONWriter.java:225)
at com.googlecode.jsonplugin.JSONWriter.process(JSONWriter.java:161)
at com.googlecode.jsonplugin.JSONWriter.value(JSONWriter.java:127)
at com.googlecode.jsonplugin.JSONWriter.add(JSONWriter.java:323)jsp中调用ajax部分:
$.ajax({
type: "POST",
//dataType: "text",
async: false,//ajax同步
url: "<%=request.getContextPath() %>/violationinfo/findStreetsNewWin.action", //提交到一般处理程序请求数据
data: "pageNum=" + pageIndex + "&pageSize=" + pageSize + "&streetNameNewWin=" + streetNameNewWin,
success: function(json) {
json = eval("(" + json + ")");
var data = json.data;
totalRecords = json.pager.totalRecord;
if(data != "" && totalRecords != 0) {
$("#table2 tr:gt(0)").remove(); //移除Id为Result的表格里的行,从第二行开始(这里根据页面布局不同页变)
$("#table2").append(data); //将返回的数据追加到表格
}else {
$("#table2 tr:gt(0)").remove(); //移除Id为Result的表格里的行,从第二行开始(这里根据页面布局不同页变)
}
}
});
请问是什么原因啊?该如何解决呢?非常感谢
public String findStreetsNewWin() {
try {
pager = new Pager();
TdPtlStreet street = new TdPtlStreet();
int count = 0;
List<TdPtlStreet> streetList = null;
street.setStreetName(streetNameNewWin);
if(streetNameNewWin == null || "".equals(streetNameNewWin)) {//表示搜索条件为空,查询所有的客户信息
streetList = this.streetService.findAllStreets(pageSize, pageNum);
count = this.streetService.findAllStreetsCount();
}else {
streetList = this.streetService.findStreetsByName(street, pageSize, pageNum);
count = this.streetService.findStreetsByNameCount(street);
}
StringBuffer dataBuff = new StringBuffer();
for(int i=0; i<streetList.size(); i++) {
//对查询的街道信息拼串
dataBuff.append("<tr id='tr");
dataBuff.append(streetList.get(i).getStreetId());
dataBuff.append("' onClick='javascript:showIdStreet(");
dataBuff.append(streetList.get(i).getStreetId());
dataBuff.append(");'>");
dataBuff.append("<td>");
dataBuff.append(streetList.get(i).getStreetId());//街道编号
dataBuff.append("</td>");
dataBuff.append("<td>");
dataBuff.append(streetList.get(i).getStreetName());//街道名称
dataBuff.append("</td>");
dataBuff.append("</tr>");
}
pager.getPager(pageNum, count, pageSize);
data = dataBuff.toString();
//清空basicInfo
basicInfo = null;
} catch (Exception e) {
e.printStackTrace();
return "businessError";
}
return SUCCESS;
}struts.xml配置:
<action name="findStreetsNewWin" class="violationinfoAction" method="findStreetsNewWin">
<result type="json">
</result>
</action>