[PIG-2006] Regression: NPE when Pig processes an empty script file

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.9.0
• Fix Version/s: 0.9.0
• Assignee: Xuefu Zhang
• Reporter: Xuefu Zhang
• Created: 21/Apr/11 00:22
• Updated: 04/Aug/11 00:34
• Resolved: 26/Apr/11 18:13

Description

If a pig script file is empty and supplied as input for Pig (using -f option), an NPE is thrown. Stacktrace:

java.lang.NullPointerException
at java.util.regex.Matcher.getTextLength(Matcher.java:1140)
at java.util.regex.Matcher.reset(Matcher.java:291)
at java.util.regex.Matcher.<init>(Matcher.java:211)
at java.util.regex.Pattern.matcher(Pattern.java:888)
at org.apache.pig.scripting.ScriptEngine$SupportedScriptLang.accepts(ScriptEngine.java:89)
at org.apache.pig.scripting.ScriptEngine.getSupportedScriptLang(ScriptEngine.java:163)
at org.apache.pig.Main.determineScriptType(Main.java:892)
at org.apache.pig.Main.run(Main.java:378)
at org.apache.pig.Main.main(Main.java:108)

This seems related Jython support in 0.9.