Avoid Python operator hang in TIBCO Streaming
Article ID: KB0071731
Updated On:
| Products | Versions |
|---|---|
| TIBCO Streaming | Up to 10.x, 11.0.0 |
Description
Sometimes the Python operator in TIBCO Streaming stops accepting input and the application must be stopped and restarted to restore function.
Is there a way to prevent this operator hang from happening?
Is there a way to prevent this operator hang from happening?
Issue/Introduction
Configure the Python operator to not capture STDOUT and STDERR output.
Resolution
Modify the Python adapter HOCON configuration found in project folder 'src/main/configurations' (type = "com.tibco.ep.streambase.configuration.adapter") to not capture output.
Change (example):
The problem is that the Python adapter is not handling the output (STDOUT) and error (STDERR) streams of the Python process correctly. This is defect "SB-51431 PYTHON: uncaught exception hangs operator" which affects all versions of TIBCO Streaming up to 10.6.3 and 11.0 as of this report (Dec 2022). This is expected to be fixed in a later release. Check the Release Notes in the product documentation to see whether this is resolved in the product version you using more recent than these versions.
Change (example):
settings = {
executable = "C:/Users/hannibal/.conda/envs/python374/python.exe"
instance = "pythonic"
useTempFile = "false"
workingDir = "${s_python_workingdir:-C:/Temp/Projects/Demo}"
captureOutput = "true"
}
to:
settings = {
executable = "C:/Users/hannibal/.conda/envs/python374/python.exe"
instance = "pythonic"
useTempFile = "false"
workingDir = "${s_python_workingdir:-C:/Temp/Projects/Demo}"
captureOutput = "false"
}
The problem is that the Python adapter is not handling the output (STDOUT) and error (STDERR) streams of the Python process correctly. This is defect "SB-51431 PYTHON: uncaught exception hangs operator" which affects all versions of TIBCO Streaming up to 10.6.3 and 11.0 as of this report (Dec 2022). This is expected to be fixed in a later release. Check the Release Notes in the product documentation to see whether this is resolved in the product version you using more recent than these versions.
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