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I have strange problem with Servicemix version Fuse ESB 4.4.1.
Sometimes the part of the commands will not load and be not available. Usually this happens with quite often used by me command, grep. This looks as following:
karaf@root> list | grep spring
Command not found: grep
It seems to be random, restart usually helps. With previous versions of Fuse ESB it happened sometimes, but quite rare, now it happens quite often. Can someone help, what is causing the problem?
Perhaps completely unrelated, but I’ve encountered a number of boot-time race conditions in Karaf and its dependencies. Most importantly, this one that I filed:
https://issues.apache.org/jira/browse/KARAF-910
“Race between FeatureService and ConfigAdmin for resolving mvn: URLs?”
That particular defect only manifests if you have some non-standard settings for pax-url-mvn, but it’s a symptom of the general problem that configadmin applies settings asynchronously, so it matters if the configadmin thread is faster or slower than the main OSGi bundle-starting thread.
I have not seen any Karaf Command problems related to that race, but my problem is superficially similar in that some bundle services randomly don’t start.