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By: a guest on Jun 13th, 2012  |  syntax: None  |  size: 3.54 KB  |  hits: 20  |  expires: Never
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  1. Parsing JSON with GWT and GAE?
  2. try {
  3.         String url = String.format(SEARCH_URL_FORMAT, URLEncoder.encode(param, CHARSET));
  4.         URLConnection urlConn = new URL(url).openConnection();
  5.         InputStream response = urlConn.getInputStream();
  6.  
  7.         JsonObject data = JsonObject.parse(new InputStreamReader(response, CHARSET));
  8.     } catch (JsonException e) {
  9.         throw new RuntimeException("Invalid JSON returned by Facebook.");
  10.     }
  11.        
  12. java.lang.NoClassDefFoundError: com/google/gwt/dev/json/JsonException
  13.     at java.lang.Class.getDeclaredConstructors0(Native Method)
  14.     at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
  15.     at java.lang.Class.getConstructor0(Class.java:2699)
  16.     at java.lang.Class.newInstance0(Class.java:326)
  17.     at java.lang.Class.newInstance(Class.java:308)
  18.     at org.mortbay.jetty.servlet.Holder.newInstance(Holder.java:153)
  19.     at org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:428)
  20.     at org.mortbay.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:339)
  21.     at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
  22.     at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
  23.     at com.google.appengine.tools.development.HeaderVerificationFilter.doFilter(HeaderVerificationFilter.java:35)
  24.     at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
  25.     at com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:58)
  26.     at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
  27.     at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
  28.     at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
  29.     at com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:122)
  30.     at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
  31.     at com.google.appengine.tools.development.BackendServersFilter.doFilter(BackendServersFilter.java:94)
  32.     at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
  33.     at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
  34.     at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
  35.     at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
  36.     at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
  37.     at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
  38.     at com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:70)
  39.     at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
  40.     at com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:351)
  41.     at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
  42.     at org.mortbay.jetty.Server.handle(Server.java:326)
  43.     at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
  44.     at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938)
  45.     at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755)
  46.     at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
  47.     at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
  48.     at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
  49.     at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
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