Github user XuTingjun commented on a diff in the pull request:
https://github.com/apache/spark/pull/6893#discussion_r32809194
--- Diff:
core/src/main/scala/org/apache/spark/ui/scope/RDDOperationGraph.scala ---
@@ -164,12 +164,20 @@ private[ui] object RDDOperationGraph extends Logging {
*
* For the complete DOT specification, see
http://www.graphviz.org/Documentation/dotguide.pdf.
*/
- def makeDotFile(graph: RDDOperationGraph): String = {
+ def makeDotFile(graph: RDDOperationGraph, stageId: String): String = {
val dotFile = new StringBuilder
dotFile.append("digraph G {\n")
- dotFile.append(makeDotSubgraph(graph.rootCluster, indent = " "))
- graph.edges.foreach { edge => dotFile.append(s"""
${edge.fromId}->${edge.toId};\n""") }
- dotFile.append("}")
+ try {
+ dotFile.append(makeDotSubgraph(graph.rootCluster, indent = " "))
+ graph.edges.foreach { edge => dotFile.append(s"""
${edge.fromId}->${edge.toId};\n""") }
+ dotFile.append("}")
+ } catch {
+ case t: Throwable =>
--- End diff --
Here I am not attempt to cleanup ```dotFile```, I just want to catch the
Throwable to prevent the whole page dies when the dot-file node dies.
I think one node dies can't cause the whole page dies, it will make user
can't see other informations.
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