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https://issues.apache.org/jira/browse/FLINK-17264?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17087578#comment-17087578
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Chesnay Schepler commented on FLINK-17264:
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My god what kind of behavior is that? Adding the trim should solve the issue;
[~fly_in_gis] will you open a PR?
> taskmanager.sh could not work on Mac
> ------------------------------------
>
> Key: FLINK-17264
> URL: https://issues.apache.org/jira/browse/FLINK-17264
> Project: Flink
> Issue Type: Bug
> Components: Deployment / Scripts
> Reporter: Yang Wang
> Priority: Major
> Fix For: 1.11.0
>
>
> Start a taskmanager on Mac via {{taskmanager.sh}} will get the following
> error.
> {code:java}
> wangyang-pc:build-target danrtsey.wy$ ./bin/taskmanager.sh start-foreground
> [ERROR] Unexpected result ( 1 lines):
> BASH_JAVA_UTILS_EXEC_RESULT:-Xmx536870902 -Xms536870902
> -XX:MaxDirectMemorySize=268435458 -XX:MaxMetaspaceSize=268435456 [ERROR]
> extractExecutionParams only accepts exactly one line as the input [ERROR]
> Could not get JVM parameters properly.
> {code}
>
> The root cause is FLINK-17023 introduce the following change and it could not
> work as expected.
> {code:java}
> local num_lines=$(echo "$execution_config" | wc -l)
> {code}
> On linux environment, the output is "1". However, on Mac, it is " 1".
> Maybe we need to add "tr -d '[:space:]' after wc".
>
> cc [~TsReaper]
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