[jira] [Created] (FLINK-17264) taskmanager.sh could not work on Mac

[Shang Yuanchun (Jira)]

Yang Wang created FLINK-17264:
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             Summary: 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
             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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