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Date: Wed, 25 Jul 2012 08:45:03 +0200
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 <CANMXwW2ZcFa-D6iLEmSa3ZkipPVb6FLVDSp_JmKzQFoVuRHTVA@mail.gmail.com>
Subject: Re: Exception when replacing EdgeListVertex VertexValue with my own
 class
From: Aljoscha Krettek <aljoscha.krettek@googlemail.com>
To: user@giraph.apache.org
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Hi Jon
du you have a public constructor that takes no arguments? That is required
for it to work and it seems to be the problem here.

--
aljoscha

On Wed, Jul 25, 2012 at 8:27 AM, Jonathan Bishop <jbishop.rwc@gmail.com>wrote:

> Hi,
>
> I have been investigating the exception below. It happens when I attempt to replace the vertex value class, which had been LongWritable, with a new class I am writing, MyGraphVertexValue.
>
> I am using Giraph-0.1. I have declared MyGraphVertex public so I am not sure why this would be happening.
>
>
> Thanks,
>
> Jon
>
>
>
> java.lang.IllegalAccessException: Class org.apache.giraph.graph.BspUtils can not access a member of class MyGraphVertexValue with modifiers ""
> 	at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:95)
>
> 	at java.lang.Class.newInstance0(Class.java:366)
> 	at java.lang.Class.newInstance(Class.java:325)
> 	at org.apache.giraph.graph.BspUtils.createVertexValue(BspUtils.java:379)
>
>

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Hi Jon<div>du you have a public constructor that takes no arguments? That i=
s required for it to work and it seems to be the problem here.</div><div><b=
r></div><div>--</div><div>aljoscha<br><br><div class=3D"gmail_quote">On Wed=
, Jul 25, 2012 at 8:27 AM, Jonathan Bishop <span dir=3D"ltr">&lt;<a href=3D=
"mailto:jbishop.rwc@gmail.com" target=3D"_blank">jbishop.rwc@gmail.com</a>&=
gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><pre>Hi,<br><br>I have been investigating th=
e exception below. It happens when I attempt to replace the vertex value cl=
ass, which had been LongWritable, with a new class I am writing, MyGraphVer=
texValue.<br>
<br>I am using Giraph-0.1. I have declared MyGraphVertex public so I am not=
 sure why this would be happening.<br>
<br><br>Thanks,<br><br>Jon<br><br><br><br>java.lang.IllegalAccessException:=
 Class org.apache.giraph.graph.BspUtils can not access a member of class My=
GraphVertexValue with modifiers &quot;&quot;<br>	at sun.reflect.Reflection.=
ensureMemberAccess(Reflection.java:95)<br>

	at java.lang.Class.newInstance0(Class.java:366)<br>	at java.lang.Class.new=
Instance(Class.java:325)<br>	at org.apache.giraph.graph.BspUtils.createVert=
exValue(BspUtils.java:379)<br><br></pre>
</blockquote></div><br></div>

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