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From "Karl Wright (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (CONNECTORS-1145) multiprocess-file-example blocks in configuration on Windows
Date Thu, 15 Jan 2015 00:46:34 GMT

     [ https://issues.apache.org/jira/browse/CONNECTORS-1145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Karl Wright reopened CONNECTORS-1145:
-------------------------------------

>From Michael:

I'm running into a hanging issue when trying to use the new 2.0 release.  Using the multiprocess-file-example,
I do the following:

1. start-database.sh
2. initialize.sh
3. start-webapps.sh
4. start-agents.sh

Then, go to the mcf-crawler-ui, create a new Null output connection, and try to save it. 
My browser then just spins (I've given it up to 30 minutes, and nothing happens).

A stack trace shows the Jetty process hanging here:

{code}
"qtp638408253-18" prio=5 tid=0x00007fdb3cc30000 nid=0x7403 in Object.wait() [0x000000012366f000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x000000011bdf15a0> (a java.lang.Integer)
at org.apache.manifoldcf.core.system.ManifoldCF.sleep(ManifoldCF.java:1259)
- locked <0x000000011bdf15a0> (a java.lang.Integer)
at org.apache.manifoldcf.core.lockmanager.LockObject.obtainGlobalNonExWriteLock(LockObject.java:245)
at org.apache.manifoldcf.core.lockmanager.LockObject.enterNonExWriteLock(LockObject.java:190)
- locked <0x000000011b30c440> (a org.apache.manifoldcf.core.lockmanager.FileLockObject)
at org.apache.manifoldcf.core.lockmanager.LockGate.enterNonExWriteLock(LockGate.java:219)
at org.apache.manifoldcf.core.lockmanager.BaseLockManager.enterNonExWrite(BaseLockManager.java:959)
at org.apache.manifoldcf.core.lockmanager.BaseLockManager.enterNonExWriteLock(BaseLockManager.java:731)
at org.apache.manifoldcf.core.lockmanager.LockManager.enterNonExWriteLock(LockManager.java:276)
at org.apache.manifoldcf.agents.outputconnection.OutputConnectionManager.save(OutputConnectionManager.java:301)
at org.apache.jsp.execute_jsp._jspService(execute_jsp.java:1047)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
{code}

These steps work fine in the 1.7.2 release.  Also, the single process example work as expected
with these steps.

Did I miss a step needed in the 2.0 release with the 'file' example?

> multiprocess-file-example blocks in configuration on Windows
> ------------------------------------------------------------
>
>                 Key: CONNECTORS-1145
>                 URL: https://issues.apache.org/jira/browse/CONNECTORS-1145
>             Project: ManifoldCF
>          Issue Type: Bug
>          Components: Framework core
>    Affects Versions: ManifoldCF 1.8, ManifoldCF 2.0
>         Environment: Windows 2012
>            Reporter: Andreas Baumann
>            Assignee: Karl Wright
>             Fix For: ManifoldCF 1.9, ManifoldCF 2.1
>
>
> Saving a configuration setting (for instance a new Output Connector) hangs
> forevert. Inspecting the problem with the 'Process Monitor' shows me
> that there is an infinite loop while locking and reading a file in the syncharea.
> I disabled Windows Search and virus scanners, so far no luck.



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