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ASF GitHub Bot commented on GIRAPH-1203: ---------------------------------------- Github user dlogothetis commented on a diff in the pull request: https://github.com/apache/giraph/pull/87#discussion_r225302450 --- Diff: giraph-core/src/main/java/org/apache/giraph/edge/ByteArrayEdges.java --- @@ -94,6 +94,9 @@ public void add(Edge<I, E> edge) { } catch (IOException e) { throw new IllegalStateException("add: Failed to write to the new " + "byte array"); + } catch (NegativeArraySizeException negativeArraySizeException) { + throw new IllegalStateException("add: Too many edges for a vertex, " + --- End diff -- Could we add the ID of the vertex in the exception message? It may be useful for debugging purposes. > Throw better exception when edge serialisation fails because of too many edges > ------------------------------------------------------------------------------ > > Key: GIRAPH-1203 > URL: https://issues.apache.org/jira/browse/GIRAPH-1203 > Project: Giraph > Issue Type: Improvement > Reporter: Aanchal Dalmia > Priority: Minor > > When a vertex has a large number of edges, during serialization, the edges > would not fit into the byte array. The upper limit on the size of the array > is the maximum integer value. When this is crossed, the size of the byte > array becomes negative, since the integer overflows. > Throw a better exception when this happens. -- This message was sent by Atlassian JIRA (v7.6.3#76005)