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https://issues.apache.org/jira/browse/GIRAPH-529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maja Kabiljo resolved GIRAPH-529.
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Resolution: Duplicate
> Compile error when compiling the giraph shortest path problem: getOutEdgeMap()
> ------------------------------------------------------------------------------
>
> Key: GIRAPH-529
> URL: https://issues.apache.org/jira/browse/GIRAPH-529
> Project: Giraph
> Issue Type: Bug
> Environment: Fedora 18(64-bit), hadoop-1.0.4 version, giraph-0.1.0
> version
> Reporter: eunjihwang
>
> I have some problem when I compiling the giraph shortest path problem
> I can't understand exactly getOutEdgeMap() method.
> Should I implement it?
> and also I have other compile errors.
> I just write a source code like this;
> https://github.com/aching/Giraph/wiki/Shortest-Paths-Example
> I attach error messages.
> --------------------
> sp/SimpleShortestPathVertex.java:55: error: cannot find symbol
> for(Edge<LongWritable, FloatWritable> edge : getOutEdgeMap().values()){
> ^
> symbol: method getOutEdgeMap()
> location: class SimpleShortestPathVertex
> sp/SimpleShortestPathVertex.java:74: error: cannot find symbol
> FileInputFormat.addInputPath(job, new Path(args[0]));
> ^
> symbol: variable FileInputFormat
> location: class SimpleShortestPathVertex
> sp/SimpleShortestPathVertex.java:75: error: cannot find symbol
> FileOutputFormat.setOutputPath(job, new Path(args[1]));
> ^
> symbol: variable FileOutputFormat
> location: class SimpleShortestPathVertex
> sp/SimpleShortestPathVertex.java:88: error: no suitable method found for
> run(SimpleShortestPathVertex,String[])
> System.exit(ToolRunner.run(new SimpleShortestPathVertex(), args));
> ^
> method ToolRunner.run(Tool,String[]) is not applicable
> (actual argument SimpleShortestPathVertex cannot be converted to Tool
> by method invocation conversion)
> method ToolRunner.run(Configuration,Tool,String[]) is not applicable
> (actual and formal argument lists differ in length)
> sp/SimpleShortestPathVertex.java:100: error: SimpleShortestPathVertexReader
> is not abstract and does not override abstract method getCurrentVertex() in
> VertexReader
> class SimpleShortestPathVertexReader extends TextVertexReader<LongWritable,
> DoubleWritable, FloatWritable, DoubleWritable>{
> ^
> sp/SimpleShortestPathVertex.java:121: error: method addEdge in class
> MutableVertex<I,V,E,M> cannot be applied to given types;
> vertex.addEdge(new Edge<LongWritable, FloatWritable>(new
> LongWritable(jEdge.getLong(0)), new
> FloatWritable((float)jEdge.getDouble(1))));
> ^
> required: LongWritable,FloatWritable
> found: Edge<LongWritable,FloatWritable>
> reason: actual and formal argument lists differ in length
> where I,V,E,M are type-variables:
> I extends WritableComparable declared in class MutableVertex
> V extends Writable declared in class MutableVertex
> E extends Writable declared in class MutableVertex
> M extends Writable declared in class MutableVertex
> sp/SimpleShortestPathVertex.java:139: error: lineRecordWriter has private
> access in TextVertexWriter
> super(lineRecordWriter);
> ^
> sp/SimpleShortestPathVertex.java:150: error: cannot find symbol
> for(Edge<LongWritable, FloatWritable> edge :
> vertex.getOutEdgeMap().values()){
> ^
> symbol: method getOutEdgeMap()
> location: variable vertex of type
> BasicVertex<LongWritable,DoubleWritable,FloatWritable,?>
> 8 errors
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