[CONNECTORS-1070] Agents thread exception loop

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: ManifoldCF 1.7
• Fix Version/s: ManifoldCF 1.8, ManifoldCF 2.0
• Assignee: Karl Wright
• Reporter: Kamil Żyta
• Created: 09/Oct/14 12:03
• Updated: 09/Oct/14 17:41
• Resolved: 09/Oct/14 17:21

Description

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
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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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