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POJava Http~URLConnection response code -1
 

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  1. POJava Http~URLConnection response code -1
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    <p>Trying to download a file in Java from a Http server (nginx)</p> <p>The exact same link java is attempting to download works in the browser and downloads, but java responds with:</p> <pre><code>java.io.IOException: &lt;URL WOULD BE HERE&gt; returned response code -1 at com.atlauncher.data.Downloadable.getConnection(Downloadable.java:149) at com.atlauncher.data.Downloadable.getFilesize(Downloadable.java:85) at com.atlauncher.workers.InstanceInstaller.configurePack(InstanceInstaller.java:1134) at com.atlauncher.workers.InstanceInstaller.doInBackground(InstanceInstaller.java:1399) at com.atlauncher.workers.InstanceInstaller.doInBackground(InstanceInstaller.java:59) at javax.swing.SwingWorker$1.call(SwingWorker.java:296) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at javax.swing.SwingWorker.run(SwingWorker.java:335) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:722) </code></pre> <p>The download code:</p> <pre><code>this.connection = (HttpURLConnection) new URL(this.url).openConnection(); this.connection.setUseCaches(false); this.connection.setDefaultUseCaches(false); this.connection.setConnectTimeout(9000); //this.connection.setRequestProperty("Accept-Encoding", "gzip"); this.connection.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.72 Safari/537.36"); this.connection.setRequestProperty("Cache-Control", "no-store,max-age=0,no-cache"); this.connection.setRequestProperty("Expires", "0"); this.connection.setRequestProperty("Pragma", "no-cache"); this.connection.connect(); if (this.connection.getResponseCode() / 100 != 2) { System.out.println(this.connection); throw new IOException(this.url + " returned response code " + this.connection.getResponseCode()); } </code></pre> <p>Any ideas why this is occurring? It's strange that the exact same url works in the browser. And the exact same code works downloading different files from the same server, and directory...</p>
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    1. USDan Spiteri
    1. USDan Spiteri
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    1. COThe stack trace is incomplete, can you provide Caused part of it? It only contains `Downloadable#getConnection()` information
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      1. POJava Http~URLConnection response code -1
      1. UShoaz
 

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