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listener disappears

sander hautvast
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hi all,

we have a product called jintegra: it's a bridge between DCOM and java. The java part runs as a jar in a webapp on websphere on AIX 5.3 (so it's J2RE 1.4.2 IBM AIX build ca1420-20040626)
Works fine most of the time, but occasionally the listener (netstat -an) indicates that the listener is gone...(and telnet won't work either)
Established connections continue to work properly.
A restart of the application server resolves the the situation.
Anyone seen behavior like that in a java app???
Analysing thread dumps suggests that the thread running ServerSocketInstance.accept has not stopped. Could this be an OS-jdk thing?
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