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https://issues.apache.org/jira/browse/CONNECTORS-1070?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14165288#comment-14165288
]
Karl Wright commented on CONNECTORS-1070:
-----------------------------------------
What is happening is that the error handling is not working right for setting
this parameter so high:
{code}
ERROR 2014-10-09 11:49:28,140 (Agents thread) - Exception tossed: Illegal value
for the number of worker threads
org.apache.manifoldcf.core.interfaces.ManifoldCFException: Illegal value for
the number of worker threads
at
org.apache.manifoldcf.crawler.system.CrawlerAgent.startSystem(CrawlerAgent.java:344)
at
org.apache.manifoldcf.crawler.system.CrawlerAgent.startAgent(CrawlerAgent.java:225)
at
org.apache.manifoldcf.agents.system.AgentsDaemon.checkAgents(AgentsDaemon.java:274)
at
org.apache.manifoldcf.agents.system.AgentsDaemon$AgentsThread.run(AgentsDaemon.java:209)
{code}
... and then it loops trying to fix itself, as you say.
I can fix this problem, but why would anyone want to set the number of threads
to 400?
> Agents thread exception loop
> ----------------------------
>
> Key: CONNECTORS-1070
> URL: https://issues.apache.org/jira/browse/CONNECTORS-1070
> Project: ManifoldCF
> Issue Type: Bug
> Affects Versions: ManifoldCF 1.7
> Reporter: Kamil Żyta
> Assignee: Karl Wright
>
> occasionally when I stop&start crawler agents they fall into infinite loop.
> I don't know how to stop this exception. stop agents, ui, clean lock do not
> help.
> Log growing fast with messages
> ------------------------------------------------------------------------------------------
> ERROR 2014-10-09 13:58:44,206 (Agents thread) - Exception tossed: Service 'A'
> of type 'AGENT_org.apache.manifoldcf.crawler.system.CrawlerAgent' is already
> active
> org.apache.manifoldcf.core.interfaces.ManifoldCFException: Service 'A' of
> type 'AGENT_org.apache.manifoldcf.crawler.system.CrawlerAgent' is already
> active
> at
> org.apache.manifoldcf.core.lockmanager.BaseLockManager.registerServiceBeginServiceActivity(BaseLockManager.java:162)
> at
> org.apache.manifoldcf.core.lockmanager.BaseLockManager.registerServiceBeginServiceActivity(BaseLockManager.java:126)
> at
> org.apache.manifoldcf.core.lockmanager.LockManager.registerServiceBeginServiceActivity(LockManager.java:69)
> at
> org.apache.manifoldcf.agents.system.AgentsDaemon.checkAgents(AgentsDaemon.java:271)
> at
> org.apache.manifoldcf.agents.system.AgentsDaemon$AgentsThread.run(AgentsDaemon.java:209)
> ERROR 2014-10-09 13:58:44,210 (Agents thread) - 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.BaseLockManager.registerServiceBeginServiceActivity(BaseLockManager.java:162)
> at
> org.apache.manifoldcf.core.lockmanager.BaseLockManager.registerServiceBeginServiceActivity(BaseLockManager.java:126)
> at
> org.apache.manifoldcf.core.lockmanager.LockManager.registerServiceBeginServiceActivity(LockManager.java:69)
> at
> org.apache.manifoldcf.agents.system.AgentsDaemon.checkAgents(AgentsDaemon.java:271)
> at
> org.apache.manifoldcf.agents.system.AgentsDaemon$AgentsThread.run(AgentsDaemon.java:209)
> ERROR 2014-10-09 13:58:44,214 (Agents thread) - Exception tossed: Service 'A'
> of type 'AGENT_org.apache.manifoldcf.crawler.system.CrawlerAgent' is already
> active
> org.apache.manifoldcf.core.interfaces.ManifoldCFException: Service 'A' of
> type 'AGENT_org.apache.manifoldcf.crawler.system.CrawlerAgent' is already
> active
> at
> org.apache.manifoldcf.core.lockmanager.BaseLockManager.registerServiceBeginServiceActivity(BaseLockManager.java:162)
> at
> org.apache.manifoldcf.core.lockmanager.BaseLockManager.registerServiceBeginServiceActivity(BaseLockManager.java:126)
> at
> org.apache.manifoldcf.core.lockmanager.LockManager.registerServiceBeginServiceActivity(LockManager.java:69)
> at
> org.apache.manifoldcf.agents.system.AgentsDaemon.checkAgents(AgentsDaemon.java:271)
> at
> org.apache.manifoldcf.agents.system.AgentsDaemon$AgentsThread.run(AgentsDaemon.java:209)
> ------------------------------------------------------------------------------------------
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