[
https://issues.apache.org/jira/browse/FLINK-2721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15135762#comment-15135762
]
ASF GitHub Bot commented on FLINK-2721:
---------------------------------------
Github user mxm commented on a diff in the pull request:
https://github.com/apache/flink/pull/1591#discussion_r52102060
--- Diff:
flink-contrib/flink-storm/src/main/java/org/apache/flink/storm/api/FlinkTopology.java
---
@@ -229,9 +229,24 @@ private void translateTopology() {
boolean makeProgress = true;
while (bolts.size() > 0) {
if (!makeProgress) {
- throw new RuntimeException(
- "Unable to build Topology.
Could not connect the following bolts: "
- +
bolts.keySet());
+ StringBuilder strBld = new StringBuilder();
+ strBld.append("Unable to build Topology. Could
not connect the following bolts:");
+ for (String boltId : bolts.keySet()) {
+ strBld.append("\n ");
+ strBld.append(boltId);
+ strBld.append(": missing input streams
[");
+ for (Entry<GlobalStreamId, Grouping>
streams : unprocessdInputsPerBolt
+ .get(boltId)) {
+ strBld.append("'");
+
strBld.append(streams.getKey().get_streamId());
+ strBld.append("' from '");
+
strBld.append(streams.getKey().get_componentId());
+ strBld.append("'; ");
+ }
+ strBld.append("]");
--- End diff --
Nice. That's helpful for debugging.
> Add Tuple meta information
> --------------------------
>
> Key: FLINK-2721
> URL: https://issues.apache.org/jira/browse/FLINK-2721
> Project: Flink
> Issue Type: New Feature
> Components: Storm Compatibility
> Reporter: Matthias J. Sax
> Assignee: Matthias J. Sax
> Priority: Minor
>
> In {{Bolt.execute(Tuple input)}} the given input tuple contains meta
> information about its origin (like source component name, stream id, source
> task ID).
> This meta information in currently not provided by Flink and the
> corresponding methods throw an {{UnsupportedOperationException}}.
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