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POnull pointer exception in reading tsv file
 

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  1. POnull pointer exception in reading tsv file
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    <p>hi can anybody help me with below code. why this is throwing null pointer exception and how i can avoid it. i am trying to read a tsv file and csv file and do some processing with this. when i am calling getDictionaryValues function it throwing null pointer exception. </p> <pre><code>package com.ugam.qa.tittle; import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.util.ArrayList; import java.util.HashSet; import java.util.List; import java.util.Set; public class TittleMatch { private static TittleMatchUtil tMU; public static void main(String[] args) { String fullname="d:/files/listing/Headphones.tsv"; Set&lt;String&gt; attributeSet=new HashSet&lt;String&gt;(); attributeSet.add("Storage Type"); attributeSet.add("Recording Definition"); attributeSet.add("Type"); attributeSet.add("Brand"); BufferedReader in = null; try { System.out.println("file found"); in= new BufferedReader(new FileReader(fullname)); } catch (FileNotFoundException e1) { e1.printStackTrace(); } String str; String prv_Pid="-1"; try { str = in.readLine(); while ((str = in.readLine()) != null) { if (str.trim().length() == 0 ) { System.out.println("while loop"); continue;} String[] values = str.split("\\t"); //System.out.println(values.length); if(prv_Pid=="-1" || values[9]==prv_Pid) { if(attributeSet.contains(values[12])) { ArrayList&lt;Set&lt;String&gt;&gt; dicValues=new ArrayList&lt;Set&lt;String&gt;&gt;(); if(values[12]!=null &amp;&amp; values[13]!=null) { dicValues=tMU.getDictionaryValues(values[12],values[13]); } //Set&lt;String&gt; tittle=new HashSet&lt;String&gt;(); //tittle.add(values[8]); //System.out.println(tittle); } } } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } </code></pre> <p>}</p>
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
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    1. This table or related slice is empty.
    1. USuser2696466
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
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      1. POnull pointer exception in reading tsv file
      1. This table or related slice is empty.
      1. VTDownMod
    1. COPaste the stacktrace, please.
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      1. POnull pointer exception in reading tsv file
      1. USKonstantin Yovkov
    2. COjava.lang.NullPointerException at com.ugam.qa.tittle.TittleMatch.main(TittleMatch.java:50)
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      1. POnull pointer exception in reading tsv file
      1. USuser2696466
    3. COOT: Use `String.equals` to compare strings `if (prv_Pid.equals("-1")`
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      1. POnull pointer exception in reading tsv file
      1. USReimeus
 

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