BlobStore を使用して画像を保存しています。私はjspページを持っています。そのページのコードは次のとおりです。
<%@ page import="com.google.appengine.api.blobstore.BlobstoreServiceFactory" %>
<%@ page import="com.google.appengine.api.blobstore.BlobstoreService" %>
<%
BlobstoreService blobstoreService = BlobstoreServiceFactory.getBlobstoreService();
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta name="description" content="My web page" />
<title>My Web</title>
<script type="text/javascript" src="jquery-1.8.0.js"></script>
<script src="jquery-mainpage.js"></script>
</head>
<body>
<form method="post" id="upload_img_form" name="upload_img_form" action="<%= blobstoreService.createUploadUrl("/imagedao") %>" enctype="multipart/form-data">
<input id="upload_img_form_input" name="upload_img_form_input" type="file">
<input id="upload_img_submit" type="submit" name="upload_img_submit" value="Upload >>" />
</form>
</body>
</html>
jquery-mainpage.js には、次のコードがあります。
$("#upload_img_form").submit(function(e){
e.preventDefault();
var upload_img_val = $("#upload_img_form_input").val();
if(upload_img_val == ''){
alert('Please choose a file!');
}else{
$.ajax({
type: 'POST',
url: url_to_blobstore,
data: {upload_img_form_input:upload_img_val},
success: function(result) {
console.log('upload_img_form result: '+result);
}
});
}
});
次の例外が発生します。
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2786)
at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:71)
at javax.mail.internet.MimeMultipart.readTillFirstBoundary(MimeMultipart.java:244)
at javax.mail.internet.MimeMultipart.parse(MimeMultipart.java:181)
at javax.mail.internet.MimeMultipart.getCount(MimeMultipart.java:109)
at com.google.appengine.api.blobstore.dev.UploadBlobServlet.handleUpload(UploadBlobServlet.java:145)
at com.google.appengine.api.blobstore.dev.UploadBlobServlet.access$000(UploadBlobServlet.java:68)
at com.google.appengine.api.blobstore.dev.UploadBlobServlet$1.run(UploadBlobServlet.java:111)
at java.security.AccessController.doPrivileged(Native Method)
at com.google.appengine.api.blobstore.dev.UploadBlobServlet.doPost(UploadBlobServlet.java:108)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
at com.google.appengine.tools.appstats.AppstatsFilter.doFilter(AppstatsFilter.java:141)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.appengine.tools.development.HeaderVerificationFilter.doFilter(HeaderVerificationFilter.java:35)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:60)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:125)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.appengine.tools.development.BackendServersFilter.doFilter(BackendServersFilter.java:97)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
at com.google.appengine.tools.development.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:94)
なぜこの例外が発生するのですか。コードに何か問題がありますか。このフォームが送信されたときに応答を取得したい。すべての jQuery コードは jquery-mainpage.js にあります。私に応答を与えることができるjQueryメソッドはありますか?
前もって感謝します。