It sounds to me like your new connector is throwing exceptions when connections are either being created or destroyed. That's interfering with orderly shutdown and startup of threads.
Karl On Mon, Mar 10, 2025 at 9:10 AM Guylaine BASSETTE < guylaine.basse...@francelabs.com> wrote: > Hello All, > > I systematically get this error when I restart MCF after running a job > that uses a new Repo Connector I'm creating: > > ERROR 2025-03-03T13:01:30Z (Agents thread) - > MCF|MCF-agent|apache.manifoldcf.agents|Exception tossed: Service 'A' of > type 'AGENT_org.apache.manifoldcf.crawler.system.CrawlerAgent' is already > active > org.apache.manifoldcf.core.interfaces.ManifoldCFException: Service 'A' of > type 'AGENT_org.apache.manifoldcf.crawler.system.CrawlerAgent' is already > active > at > org.apache.manifoldcf.core.lockmanager.ZooKeeperLockManager.registerServiceBeginServiceActivity(ZooKeeperLockManager.java:171) > ~[mcf-core.jar:?] > at > org.apache.manifoldcf.core.lockmanager.ZooKeeperLockManager.registerServiceBeginServiceActivity(ZooKeeperLockManager.java:131) > ~[mcf-core.jar:?] > at > org.apache.manifoldcf.agents.system.AgentsDaemon.checkAgents(AgentsDaemon.java:277) > ~[mcf-agents.jar:?] > at > org.apache.manifoldcf.agents.system.AgentsDaemon$AgentsThread.run(AgentsDaemon.java:209) > [mcf-agents.jar:?] > > This error runs in a loop, even after restarting the service again. I have > to stop MCF and wait a while, maybe ten minutes, then restart MCF again and > the error disappears. I have found a workaround: change the parameter: > "-Dorg.apache.manifoldcf.processid=A" to "B" for example. I switch between > "A" and "B" to restart MCF. > > I've been careful to close all my connections to any remote services I > might use, and these closures work fine... I've cleared everything in the > disconnect() method of the Repository class. No matter how much I compare > my connector with others that don't have this problem, I can't see any big > difference with what I've done... > > Have any of you ever faced this error? > -- > > Bien cordialement, > Guylaine > > France Labs – Your knowledge, now > Datafari Enterprise Search – Découvrez la version 6 / Discover our version > 6 > www.datafari.com > > Retrouvez-nous au Salon Digital Workplace > <https://www.salon-intranet.com/> les 19 et 20 mars à Paris > > <https://www.salon-intranet.com/visiter.php> > > > >
