java.lang.RuntimeException: An error occurred while executing doInBackground()

Stack Overflow | user3564573 | 10 months ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    in == null

    at java.util.Properties.load()
  2. Java RT
    Properties.load
    1. java.util.Properties.load(Properties.java:246)
    1 frame
  3. Maven
    HTMLConfiguration.parse
    1. org.cyberneko.html.HTMLEntities.load0(HTMLEntities.java:102)
    2. org.cyberneko.html.HTMLEntities.<init>(HTMLEntities.java:54)
    3. org.cyberneko.html.HTMLScanner.scanEntityRef(HTMLScanner.java:1386)
    4. org.cyberneko.html.HTMLScanner$ContentScanner.scanAttribute(HTMLScanner.java:2955)
    5. org.cyberneko.html.HTMLScanner$ContentScanner.scanAttribute(HTMLScanner.java:2785)
    6. org.cyberneko.html.HTMLScanner$ContentScanner.scanStartElement(HTMLScanner.java:2639)
    7. org.cyberneko.html.HTMLScanner$ContentScanner.scan(HTMLScanner.java:2071)
    8. org.cyberneko.html.HTMLScanner.scanDocument(HTMLScanner.java:891)
    9. org.cyberneko.html.HTMLConfiguration.parse(HTMLConfiguration.java:491)
    10. org.cyberneko.html.HTMLConfiguration.parse(HTMLConfiguration.java:444)
    10 frames
  4. mf.org.apache
    AbstractSAXParser.parse
    1. mf.org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:109)
    2. mf.org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1199)
    2 frames
  5. Boilerpipe -- Boilerplate Removal and Fulltext Extraction from HTML pages
    ImageExtractor.process
    1. de.l3s.boilerpipe.sax.BoilerpipeSAXInput.getTextDocument(BoilerpipeSAXInput.java:61)
    2. de.l3s.boilerpipe.sax.BoilerpipeSAXInput.getTextDocument(BoilerpipeSAXInput.java:49)
    3. de.l3s.boilerpipe.sax.ImageExtractor.process(ImageExtractor.java:109)
    3 frames
  6. com.ulicast.Feed
    ImageLinkExtractor.doInBackground
    1. com.ulicast.Feed.ImageLinkExtractor.doInBackground(ImageLinkExtractor.java:43)
    2. com.ulicast.Feed.ImageLinkExtractor.doInBackground(ImageLinkExtractor.java:22)
    2 frames
  7. Android Platform
    AsyncTask$2.call
    1. android.os.AsyncTask$2.call(AsyncTask.java:295)
    1 frame
  8. Java RT
    FutureTask.run
    1. java.util.concurrent.FutureTask.run(FutureTask.java:237)
    1 frame
  9. Android Platform
    AsyncTask$SerialExecutor$1.run
    1. android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234)
    1 frame
  10. Java RT
    ThreadPoolExecutor$Worker.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
    2 frames