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References: <CB68364F.6A83%dgarcia@potomacfusion.com>
	<4F42DCA3.4000005@apache.org>
Date: Tue, 21 Feb 2012 00:57:54 +0100
Message-ID: 
 <CADHDM+akLEzeHaDWtNxJ33RgRyP9fettv6rDiabOOdO6yPgkuw@mail.gmail.com>
Subject: Re: IPC error
From: Sebastian Schelter <ssc@apache.org>
To: giraph-user@incubator.apache.org
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This looks like the code tries to invoke a no-arg constructor of
ArrayWritable (which doesn't exist AFAIK). Do you use a custom
writable? It needs to have a working no-arg constructor.

--sebastian

2012/2/21 Avery Ching <aching@apache.org>:
> I wonder if Giraph is compiled with the correct Hadoop version? =C2=A0Wha=
t is the
> Hadoop version you're using?
>
> Avery
>
>
> On 2/20/12 3:41 PM, David Garcia wrote:
>>
>> Hello all, =C2=A0I'm getting this error and I'm pretty sure that I have =
my
>> class path stuff setup right. . .maybe not.
>>
>> ERROR org.apache.giraph.comm.BasicRPCCommunications:
>> org.apache.hadoop.ipc.RemoteException: IPC server unable to read call
>> parameters: java.lang.NoSuchMethodException:
>> org.apache.hadoop.io.ArrayWritable.<init>()
>> Any ideas? =C2=A0This is on super step 0.
>> -David
>
>