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Date: Sat, 4 Aug 2007 16:00:52 -0700 (PDT)
From: "Joydeep Sen Sarma (JIRA)" <jira@apache.org>
To: hadoop-dev@lucene.apache.org
Subject: [jira] Resolved: (HADOOP-1682) Hadoop records can't serialize zero
 length string
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     [ https://issues.apache.org/jira/browse/HADOOP-1682?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joydeep Sen Sarma resolved HADOOP-1682.
---------------------------------------

    Resolution: Invalid

sorry - my bad. was passing a null string - didn't notice the original error.

> Hadoop records can't serialize zero length string
> -------------------------------------------------
>
>                 Key: HADOOP-1682
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1682
>             Project: Hadoop
>          Issue Type: Bug
>          Components: record
>    Affects Versions: 0.13.0
>         Environment: [jssarma@hadoop001 hadoop-0.13.0]$ uname -a
> Linux 2.6.12-1.1398_FC4smp #1 SMP Fri Jul 15 01:05:\
> 24 EDT 2005 x86_64 x86_64 x86_64 GNU/Linux
>            Reporter: Joydeep Sen Sarma
>
> java.lang.NullPointerException
> 	at org.apache.hadoop.record.Utils.toBinaryString(Utils.java:307)
> 	at org.apache.hadoop.record.BinaryRecordOutput.writeString(BinaryRecordOutput.java:95)
> 	at com.facebook.infrastructure.profiles.users_extended.serialize(users_extended.java:153)
> 	at org.apache.hadoop.record.Record.serialize(Record.java:58)
> 	at org.apache.hadoop.record.Record.write(Record.java:72)
> 	at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.collect(MapTask.java:365)
> 	at com.facebook.infrastructure.profiles.conv_users_extended$MapClass.map(conv_users_extended.java:133)
> 	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:48)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:186)
> 	at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1707)
>     final int strlen = str.length();
>     byte[] bytes = new byte[strlen*4]; // Codepoints expand to 4 bytes max      
>   
> barfs on trying to allocate zero length array?

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