[jira] [Created] (PIG-4155) Quitting shell using CTRL-D character throws exception

["Abhishek Agarwal (JIRA)" <ji...@apache.org>]

Abhishek Agarwal created PIG-4155:
-------------------------------------

             Summary: Quitting shell using CTRL-D character throws exception
                 Key: PIG-4155
                 URL: https://issues.apache.org/jira/browse/PIG-4155
             Project: Pig
          Issue Type: Bug
          Components: grunt
    Affects Versions: 0.14.0
         Environment: Hadoop 2.4.0.2.1.4.0-632
java version "1.7.0_55"
pig - trunk
            Reporter: Abhishek Agarwal
             Fix For: 0.14.0


jline returns null when CTRL-D is given as input. This results in NPE in grunt because StringReader constructor throws NPE.

{noformat}
String line = super.readLine();
String paramSubLine = pc.doParamSubstitution(new BufferedReader(new StringReader(line)));
return paramSubLine;
{noformat}

{noformat}
java.lang.NullPointerException
        at java.io.StringReader.<init>(StringReader.java:33)
        at org.apache.pig.Main$ConsoleReaderWithParamSub.readLine(Main.java:1057)
        at jline.ConsoleReaderInputStream$ConsoleLineInputStream.read(ConsoleReaderInputStream.java:92)
        at java.io.InputStream.read(InputStream.java:154)
        at java.io.SequenceInputStream.read(SequenceInputStream.java:191)
        at java.io.SequenceInputStream.read(SequenceInputStream.java:194)
        at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:264)
{noformat}



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