Jerry Cwiklik created UIMA-4397:
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Summary: DUCC Agent throws NumberFormatException when scraping cpu
time from top
Key: UIMA-4397
URL: https://issues.apache.org/jira/browse/UIMA-4397
Project: UIMA
Issue Type: Bug
Components: DUCC
Reporter: Jerry Cwiklik
Assignee: Jerry Cwiklik
Fix For: 2.0.0-Ducc
An agent collects per process CPU stats by using the following:
top -b -n 1 -p "+pid+" | tail -n 2 | head -n 1 | awk '{print $9}';
The above seems to cause a NumberFormatException while trying to convert
scraped output into an integer. The exception is:
java.lang.NumberFormatException: For input string: "%CPU"
at
java.lang.NumberFormatException.forInputString(NumberFormatException.java:76)
at java.lang.Integer.parseInt(Integer.java:492)
at java.lang.Integer.valueOf(Integer.java:593)
at
org.apache.uima.ducc.agent.processors.LinuxProcessMetricsProcessor.collectProcessCurrentCPU(LinuxProcessMetricsProce\ssor.java:462)
When running the command by hand I seem to be getting a numeric value.
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