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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