text: user14887: I am getting the following error message when I tried to load .TXT data file to GSEA 4.2.1.  I tried different way to change the file name as .GCT but not working.  Any suggestion? Many thanks.
  Full Error Message:
  There were errors: ERROR(S) #:1
  Parsing trouble
  java.lang.NumberFormatException: ...
  
  ---- Stack Trace ----
  # of exceptions: 1
  ------For input string: "description"------
  java.lang.NumberFormatException: For input string: "description"
      at java.base/jdk.internal.math.FloatingDecimal.readJavaFormatString(Unknown Source)
      at java.base/jdk.internal.math.FloatingDecimal.parseFloat(Unknown Source)
      at java.base/java.lang.Float.parseFloat(Unknown Source)
      at org.gsea_msigdb.gsea/edu.mit.broad.genome.parsers.AbstractParser.parseStringToFloat(AbstractParser.java:266)
      at org.gsea_msigdb.gsea/edu.mit.broad.genome.parsers.AbstractParser.parseFieldsIntoFloatArray(AbstractParser.java:371)
      at org.gsea_msigdb.gsea/edu.mit.broad.genome.parsers.AbstractParser.parseTextMatrixToDataset(AbstractParser.java:293)
      at org.gsea_msigdb.gsea/edu.mit.broad.genome.parsers.TxtDatasetParser.parse(TxtDatasetParser.java:109)
      at org.gsea_msigdb.gsea/edu.mit.broad.genome.parsers.ParserFactory.readDatasetTXT(ParserFactory.java:201)
      at org.gsea_msigdb.gsea/edu.mit.broad.genome.parsers.ParserFactory.read(ParserFactory.java:760)
      at org.gsea_msigdb.gsea/edu.mit.broad.genome.parsers.ParserFactory.read(ParserFactory.java:737)
      at org.gsea_msigdb.gsea/edu.mit.broad.genome.parsers.ParserWorker.doInBackground(ParserWorker.java:52)
      at java.desktop/javax.swing.SwingWorker$1.call(Unknown Source)
      at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
      at java.desktop/javax.swing.SwingWorker.run(Unknown Source)
      at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
      at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
      at java.base/java.lang.Thread.run(Unknown Source)
  
  
  user14887: I just figured out the error. My .TXT was not correctly formated, following the instruction from their manual under .TXT format worked.
  
original_text: 14887: <p>I am getting the following error message when I tried to load .TXT data file to GSEA 4.2.1.  I tried different way to change the file name as .GCT but not working.  Any suggestion? Many thanks.</p>
  <p>Full Error Message:</p>
  <pre><code>There were errors: ERROR(S) #:1
  Parsing trouble
  java.lang.NumberFormatException: ...
  
  ---- Stack Trace ----
  # of exceptions: 1
  ------For input string: &quot;description&quot;------
  java.lang.NumberFormatException: For input string: &quot;description&quot;
      at java.base/jdk.internal.math.FloatingDecimal.readJavaFormatString(Unknown Source)
      at java.base/jdk.internal.math.FloatingDecimal.parseFloat(Unknown Source)
      at java.base/java.lang.Float.parseFloat(Unknown Source)
      at org.gsea_msigdb.gsea/edu.mit.broad.genome.parsers.AbstractParser.parseStringToFloat(AbstractParser.java:266)
      at org.gsea_msigdb.gsea/edu.mit.broad.genome.parsers.AbstractParser.parseFieldsIntoFloatArray(AbstractParser.java:371)
      at org.gsea_msigdb.gsea/edu.mit.broad.genome.parsers.AbstractParser.parseTextMatrixToDataset(AbstractParser.java:293)
      at org.gsea_msigdb.gsea/edu.mit.broad.genome.parsers.TxtDatasetParser.parse(TxtDatasetParser.java:109)
      at org.gsea_msigdb.gsea/edu.mit.broad.genome.parsers.ParserFactory.readDatasetTXT(ParserFactory.java:201)
      at org.gsea_msigdb.gsea/edu.mit.broad.genome.parsers.ParserFactory.read(ParserFactory.java:760)
      at org.gsea_msigdb.gsea/edu.mit.broad.genome.parsers.ParserFactory.read(ParserFactory.java:737)
      at org.gsea_msigdb.gsea/edu.mit.broad.genome.parsers.ParserWorker.doInBackground(ParserWorker.java:52)
      at java.desktop/javax.swing.SwingWorker<span class="math-container">$1.call(Unknown Source)
      at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
      at java.desktop/javax.swing.SwingWorker.run(Unknown Source)
      at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
      at java.base/java.util.concurrent.ThreadPoolExecutor$</span>Worker.run(Unknown Source)
      at java.base/java.lang.Thread.run(Unknown Source)
  </code></pre>
   14887: <p>I just figured out the error. My .TXT was not correctly formated, following the instruction from <a href="https://software.broadinstitute.org/cancer/software/gsea/wiki/index.php/Data_formats#Expression_Data_Formats" rel="nofollow noreferrer">their manual</a> under .TXT format worked.</p>
  