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https://issues.apache.org/jira/browse/FLINK-5541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16085159#comment-16085159
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mingleizhang commented on FLINK-5541:
-------------------------------------
Thanks Ted report this, I wil take a look.
> Missing null check for localJar in FlinkSubmitter#submitTopology()
> ------------------------------------------------------------------
>
> Key: FLINK-5541
> URL: https://issues.apache.org/jira/browse/FLINK-5541
> Project: Flink
> Issue Type: Bug
> Components: Storm Compatibility
> Reporter: Ted Yu
> Priority: Minor
>
> {code}
> if (localJar == null) {
> try {
> for (final URL url : ((ContextEnvironment)
> ExecutionEnvironment.getExecutionEnvironment())
> .getJars()) {
> // TODO verify that there is only one jar
> localJar = new File(url.toURI()).getAbsolutePath();
> }
> } catch (final URISyntaxException e) {
> // ignore
> } catch (final ClassCastException e) {
> // ignore
> }
> }
> logger.info("Submitting topology " + name + " in distributed mode with
> conf " + serConf);
> client.submitTopologyWithOpts(name, localJar, topology);
> {code}
> Since the try block may encounter URISyntaxException / ClassCastException, we
> should check that localJar is not null before calling
> submitTopologyWithOpts().
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