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https://issues.apache.org/jira/browse/FLINK-10711?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16675192#comment-16675192
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ASF GitHub Bot commented on FLINK-10711:
----------------------------------------
zentol commented on a change in pull request #7023: [FLINK-10711] [e2e] Allow
basic error handling with bash
URL: https://github.com/apache/flink/pull/7023#discussion_r230758215
##########
File path: flink-end-to-end-tests/test-scripts/common.sh
##########
@@ -373,7 +384,9 @@ function stop_cluster {
"$FLINK_DIR"/bin/stop-cluster.sh
# stop zookeeper only if there are processes running
- if ! [ "`jps | grep 'FlinkZooKeeperQuorumPeer' | wc -l`" = "0" ]; then
+ zookeeper_process_count=$(jps | grep -c 'FlinkZooKeeperQuorumPeer' || true)
Review comment:
according to [this
document](https://www.gnu.org/software/bash/manual/bashref.html#The-Set-Builtin)
conditions may return non-zero exit codes without causing the script to exit.
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> flink-end-to-end-tests can fail silently
> ----------------------------------------
>
> Key: FLINK-10711
> URL: https://issues.apache.org/jira/browse/FLINK-10711
> Project: Flink
> Issue Type: Bug
> Components: E2E Tests
> Affects Versions: 1.7.0
> Reporter: Piotr Nowojski
> Assignee: Timo Walther
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.7.0
>
>
> Because they are written in bash and they are not setting
> {code:bash}
> set -e
> {code}
> at the beginning, errors can be swallowed silently.
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