Android Volley + JSONObjectRequest Caching

See this answer – Set expiration policy for cache using Google’s Volley This means Volley decides whether to cache response or not based only on headers “Cache-Control” and then “Expires”, “maxAge”. What you could do is change this method com.android.volley.toolbox.HttpHeaderParser.parseCacheHeaders(NetworkResponse response) and ignore these headers, set entry.softTtl and entry.ttl fields to whatever value works for … Read more

Cause of Servlet’s ‘Response Already Committed’ [duplicate]

The response gets committed because of the following reasons: Because the Response buffer has reached the max buffer size. It could be because of the following reasons: > the bufferSize in JSP page has reached.You can increase the JSP buffer size in page directive. See here, <%@ page buffer=”5kb” autoFlush=”false” %> > the server default … Read more

Express.js Response Timeout

There is already a Connect Middleware for Timeout support: var timeout = express.timeout // express v3 and below var timeout = require(‘connect-timeout’); //express v4 app.use(timeout(120000)); app.use(haltOnTimedout); function haltOnTimedout(req, res, next){ if (!req.timedout) next(); } If you plan on using the Timeout middleware as a top-level middleware like above, the haltOnTimedOut middleware needs to be the … Read more

Return generated pdf using spring MVC

You were on the right track with response.getOutputStream(), but you’re not using its output anywhere in your code. Essentially what you need to do is to stream the PDF file’s bytes directly to the output stream and flush the response. In Spring you can do it like this: @RequestMapping(value=”/getpdf”, method=RequestMethod.POST) public ResponseEntity<byte[]> getPDF(@RequestBody String json) … Read more