Shell-TUI causes 100% CPU load when using javaw launcher
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Key: FELIX-729
URL: https://issues.apache.org/jira/browse/FELIX-729
Project: Felix
Issue Type: Bug
Components: Shell
Affects Versions: felix-1.2.0, felix-1.0.4
Environment: Windows 2000 SP4, Windows Vista Enterprise, JDK 1.6
Reporter: Barend Garvelink
I ran into this issue at work with Felix 1.0.4 on Win2k SP4 and reproduced it
at home with Felix 1.2.1 on Vista Enterprise, both on JDK 1.6. I only
discovered it by accident, as I normally use the console during development. I
suspect the people reading this do, too :-).
When using the javaw.exe launcher rather than the java.exe launcher,
Felix-shell-TUI permanently draws 100% CPU (divide by the number of cores, home
PC reports 50%). After removing shell-TUI from the autostart list, Felix can be
run with the javaw launcher without issue, demonstrating that the problem
originates from that bundle.
Steps to reproduce:
1) unzip a fresh copy of Felix-1.2.1.zip
2) in the install dir, create two batch files: felix-console.bat and
felix-noconsole.bat, one executes `java -Dfelix.cache.profile=consoletest -jar
bin\felix.jar`, the other executes `javaw -Dfelix.cache.profile=consoletest
-jar bin\felix.jar`
3) double-click either from Windows Explorer, note that when you run the
"javaw" one, CPU shoots to 100% and stays there.
Running them from within Windows Explorer isn't strictly necessary to reproduce
the issue, the problem will also show when you start the batch file from the
command line.
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