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Date: Fri, 21 Jun 2013 14:22:07 +0200
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 <CAKjXa4MkPnMMpspZX=aek-tcG5MUiZNv3vJhr_aiFWytT9AQhQ@mail.gmail.com>
Subject: Re: DefaultVertexValueFactory can not access a member of class ...
From: Laurens Rietveld <laurens.rietveld@gmail.com>
To: user@giraph.apache.org
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Nvm.. Solved already. Caused by missing 'public' constructor modifiers in
the writable class


On Fri, Jun 21, 2013 at 1:41 PM, Laurens Rietveld <
laurens.rietveld@gmail.com> wrote:

> I'm using giraph trunk, and getting the following error:
>
> Caused by: java.lang.IllegalAccessException: Class org.apache.giraph.grap=
h.DefaultVertexValueFactory can not access a member of class nl.vu.giraph.G=
iraph.BCNode with modifiers ""
> 	at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:65)
> 	at java.lang.Class.newInstance0(Class.java:349)
> 	at java.lang.Class.newInstance(Class.java:308)
> 	at org.apache.giraph.graph.DefaultVertexValueFactory.createVertexValue(D=
efaultVertexValueFactory.java:48)
>
>
> Here, BCNode is our own class which implements Writable. All works fine u=
ntil we've reached 'map 100%'. Then it stalls. Is there something I'm not c=
onsidering here? The code I use for BCNode is found here: https://github.co=
m/LaurensRietveld/GiraphAnalysis/blob/master/src/main/java/org/data2semanti=
cs/giraph/BCNode.java
>
> The class I execute in giraph is found here: https://github.com/LaurensRi=
etveld/GiraphAnalysis/blob/master/src/main/java/org/data2semantics/giraph/B=
etweennessCentrality.java
>
> The command I execute is the following:
>
> hadoop jar giraph.jar org.apache.giraph.GiraphRunner nl.vu.giraph.Giraph.=
BetweennessCentrality -vif nl.vu.giraph.Giraph.BcInputReader -vip input/inp=
ut -of org.apache.giraph.io.formats.IdWithValueTextOutputFormat -op output =
-w 7
>
>
> Could someone give me some pointers?
>
>
>
>
> ps. all code is accessible here: https://github.com/LaurensRietveld/Girap=
hAnalysis
>
>

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<div dir=3D"ltr">Nvm.. Solved already. Caused by missing &#39;public&#39; c=
onstructor modifiers in the writable class<div><br></div><div><br></div></d=
iv><div class=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On Fri, Ju=
n 21, 2013 at 1:41 PM, Laurens Rietveld <span dir=3D"ltr">&lt;<a href=3D"ma=
ilto:laurens.rietveld@gmail.com" target=3D"_blank">laurens.rietveld@gmail.c=
om</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"><div dir=3D"ltr">I&#39;m using giraph trunk,=
 and getting the following error:<div><br></div><div><pre>Caused by: java.l=
ang.IllegalAccessException: Class org.apache.giraph.graph.DefaultVertexValu=
eFactory can not access a member of class nl.vu.giraph.Giraph.BCNode with m=
odifiers &quot;&quot;
	at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:65)
	at java.lang.Class.newInstance0(Class.java:349)
	at java.lang.Class.newInstance(Class.java:308)
	at org.apache.giraph.graph.DefaultVertexValueFactory.createVertexValue(Def=
aultVertexValueFactory.java:48)</pre><pre><br></pre><pre>Here, BCNode is ou=
r own class which implements Writable. All works fine until we&#39;ve reach=
ed &#39;map 100%&#39;. Then it stalls. Is there something I&#39;m not consi=
dering here? The code I use for BCNode is found here: <a href=3D"https://gi=
thub.com/LaurensRietveld/GiraphAnalysis/blob/master/src/main/java/org/data2=
semantics/giraph/BCNode.java" style=3D"font-family:arial" target=3D"_blank"=
>https://github.com/LaurensRietveld/GiraphAnalysis/blob/master/src/main/jav=
a/org/data2semantics/giraph/BCNode.java</a></pre>

<pre>The class I execute in giraph is found here: <a href=3D"https://github=
.com/LaurensRietveld/GiraphAnalysis/blob/master/src/main/java/org/data2sema=
ntics/giraph/BetweennessCentrality.java" style=3D"font-family:arial" target=
=3D"_blank">https://github.com/LaurensRietveld/GiraphAnalysis/blob/master/s=
rc/main/java/org/data2semantics/giraph/BetweennessCentrality.java</a></pre>

<pre>The command I execute is the following:</pre><pre>hadoop jar giraph.ja=
r org.apache.giraph.GiraphRunner nl.vu.giraph.Giraph.BetweennessCentrality =
-vif nl.vu.giraph.Giraph.BcInputReader -vip input/input -of org.apache.gira=
ph.io.formats.IdWithValueTextOutputFormat -op output -w 7<br>

</pre><pre><br></pre><pre>Could someone give me some pointers?</pre><pre><b=
r></pre><pre><br></pre><pre><br></pre><pre>ps. all code is accessible here:=
 <a href=3D"https://github.com/LaurensRietveld/GiraphAnalysis" style=3D"fon=
t-family:arial" target=3D"_blank">https://github.com/LaurensRietveld/Giraph=
Analysis</a></pre>

</div></div>
</blockquote></div><br></div>

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