How to use a JNLP file


This weekend, someone asked me for help with a specific file. He has an Audi and wanted to upgrade his GPS maps. But all he has was an 8 KB downloader file with a JNLP extension. When opening the file, he gets an error that says that the extension is not recognized. First, I’ll give you Oracles explanation of JNLP: Java Network Launch Protocol (JNLP) enables an application to be launched on...

How to create a stream from an iterator in java 8


Hi guys! In this post I’ll show you how to convert a java iterator to a java 8 stream. The code is really simple: public static <T> Stream<T> iteratorToStream(final Iterator<T> iterator, final boolean parallell) { Iterable<T> iterable = () -> iterator; return StreamSupport.stream(iterable.spliterator(), parallell); } Just copy paste this static method in any class you like...

How to fix Unirest General SSLEngine problem


I tried to post data to a rest service using Unirest (unirest.io). But when I tried to post to an HTTPS url, I got the following error: javax.net.ssl.SSLHandshakeException: General SSLEngine problem PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target sun.security.provider.certpath...

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