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java.lang.NullPointerException: in == null	at java.util.Properties.load(Properties.java:246)	at org.cyberneko.html.HTMLEntities.load0(HTMLEntities.java:102)	at org.cyberneko.html.HTMLEntities.(HTMLEntities.java:54)	at org.cyberneko.html.HTMLScanner.scanEntityRef(HTMLScanner.java:1386)	at org.cyberneko.html.HTMLScanner$ContentScanner.scanAttribute(HTMLScanner.java:2955)	at org.cyberneko.html.HTMLScanner$ContentScanner.scanAttribute(HTMLScanner.java:2785)	at org.cyberneko.html.HTMLScanner$ContentScanner.scanStartElement(HTMLScanner.java:2639)	at org.cyberneko.html.HTMLScanner$ContentScanner.scan(HTMLScanner.java:2071)	at org.cyberneko.html.HTMLScanner.scanDocument(HTMLScanner.java:891)	at org.cyberneko.html.HTMLConfiguration.parse(HTMLConfiguration.java:491)	at org.cyberneko.html.HTMLConfiguration.parse(HTMLConfiguration.java:444)	at mf.org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:109)	at mf.org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1199)	at de.l3s.boilerpipe.sax.BoilerpipeSAXInput.getTextDocument(BoilerpipeSAXInput.java:61)	at de.l3s.boilerpipe.sax.BoilerpipeSAXInput.getTextDocument(BoilerpipeSAXInput.java:49)	at de.l3s.boilerpipe.sax.ImageExtractor.process(ImageExtractor.java:109)	at com.ulicast.Feed.ImageLinkExtractor.doInBackground(ImageLinkExtractor.java:43)	at com.ulicast.Feed.ImageLinkExtractor.doInBackground(ImageLinkExtractor.java:22)	at android.os.AsyncTask$2.call(AsyncTask.java:295)	at java.util.concurrent.FutureTask.run(FutureTask.java:237)	at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)