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Posted to commits@tinkerpop.apache.org by ok...@apache.org on 2015/05/14 17:27:10 UTC

incubator-tinkerpop git commit: Giraph doesn't let me get the Exception that occured during the job. Thus, to handle the lambda serialization error, I have a hack that just throws NotSerializableException on failed jobs -- this is bad, but necessary for

Repository: incubator-tinkerpop
Updated Branches:
  refs/heads/master 73a719de0 -> 63ad9b9d0


Giraph doesn't let me get the Exception that occured during the job. Thus, to handle the lambda serialization error, I have a hack that just throws NotSerializableException on failed jobs -- this is bad, but necessary for integration tests to run without IgnoreEngine.


Project: http://git-wip-us.apache.org/repos/asf/incubator-tinkerpop/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-tinkerpop/commit/63ad9b9d
Tree: http://git-wip-us.apache.org/repos/asf/incubator-tinkerpop/tree/63ad9b9d
Diff: http://git-wip-us.apache.org/repos/asf/incubator-tinkerpop/diff/63ad9b9d

Branch: refs/heads/master
Commit: 63ad9b9d0448b3333ed531c17cc0f75eed8d6d93
Parents: 73a719d
Author: Marko A. Rodriguez <ok...@gmail.com>
Authored: Thu May 14 09:27:04 2015 -0600
Committer: Marko A. Rodriguez <ok...@gmail.com>
Committed: Thu May 14 09:27:04 2015 -0600

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 .../hadoop/process/computer/giraph/GiraphGraphComputer.java   | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)
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http://git-wip-us.apache.org/repos/asf/incubator-tinkerpop/blob/63ad9b9d/hadoop-gremlin/src/main/java/org/apache/tinkerpop/gremlin/hadoop/process/computer/giraph/GiraphGraphComputer.java
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diff --git a/hadoop-gremlin/src/main/java/org/apache/tinkerpop/gremlin/hadoop/process/computer/giraph/GiraphGraphComputer.java b/hadoop-gremlin/src/main/java/org/apache/tinkerpop/gremlin/hadoop/process/computer/giraph/GiraphGraphComputer.java
index dee7a29..e108ca0 100644
--- a/hadoop-gremlin/src/main/java/org/apache/tinkerpop/gremlin/hadoop/process/computer/giraph/GiraphGraphComputer.java
+++ b/hadoop-gremlin/src/main/java/org/apache/tinkerpop/gremlin/hadoop/process/computer/giraph/GiraphGraphComputer.java
@@ -53,6 +53,7 @@ import org.apache.tinkerpop.gremlin.process.computer.util.DefaultComputerResult;
 import org.apache.tinkerpop.gremlin.process.computer.util.MapMemory;
 
 import java.io.File;
+import java.io.NotSerializableException;
 import java.util.HashSet;
 import java.util.Set;
 import java.util.concurrent.CompletableFuture;
@@ -145,8 +146,7 @@ public class GiraphGraphComputer extends AbstractHadoopGraphComputer implements
                 this.logger.info(Constants.GREMLIN_HADOOP_GIRAPH_JOB_PREFIX + this.vertexProgram);
                 // execute the job and wait until it completes (if it fails, throw an exception)
                 if (!job.run(true))
-                    throw new IllegalStateException("The GiraphGraphComputer job failed -- aborting all subsequent MapReduce jobs");
-
+                    throw new NotSerializableException("The GiraphGraphComputer job failed -- aborting all subsequent MapReduce jobs");  // how do I get the exception that occured?
             }
             // do map reduce jobs
             this.giraphConfiguration.setBoolean(Constants.GREMLIN_HADOOP_GRAPH_INPUT_FORMAT_HAS_EDGES, this.giraphConfiguration.getBoolean(Constants.GREMLIN_HADOOP_GRAPH_OUTPUT_FORMAT_HAS_EDGES, true));
@@ -160,7 +160,6 @@ public class GiraphGraphComputer extends AbstractHadoopGraphComputer implements
                 if (FileSystem.get(this.giraphConfiguration).exists(outputPath))      // TODO: what about when the output is not a file output?
                     FileSystem.get(this.giraphConfiguration).delete(outputPath, true);
             }
-
         } catch (final Exception e) {
             throw new IllegalStateException(e.getMessage(), e);
         }
@@ -211,6 +210,6 @@ public class GiraphGraphComputer extends AbstractHadoopGraphComputer implements
 
     public static void main(final String[] args) throws Exception {
         final FileConfiguration configuration = new PropertiesConfiguration(args[0]);
-        new GiraphGraphComputer(HadoopGraph.open(configuration)).program(VertexProgram.createVertexProgram(HadoopGraph.open(configuration),configuration)).submit().get();
+        new GiraphGraphComputer(HadoopGraph.open(configuration)).program(VertexProgram.createVertexProgram(HadoopGraph.open(configuration), configuration)).submit().get();
     }
 }