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From huntc <hu...@mac.com>
Subject mail component "no folder found" problem still around
Date Thu, 26 Nov 2009 10:40:57 GMT

I think that this problem may still be around with 2.1-SNAPSHOT:


http://fusesource.com/forums/thread.jspa?threadID=746&tstart=0


I noticed that I had a pop3 server outage and then subsequently had a
similar problem i.e. IllegalStateException, folder not open.

Here's when the outage started.


2009-11-26 11:57:55,316 [: MailComponent] WARN 
ultPollingConsumerPollStrategy - Consumer Consumer[pop3://...] could not
poll endpoint: pop3://... caused by: Connect failed
javax.mail.MessagingException: Connect failed;
  nested exception is:
        java.net.NoRouteToHostException: No route to host
        at com.sun.mail.pop3.POP3Store.protocolConnect(POP3Store.java:161)
        at javax.mail.Service.connect(Service.java:288)
        at
org.apache.camel.component.mail.MailConsumer.ensureIsConnected(MailConsumer.java:241)
        at
org.apache.camel.component.mail.MailConsumer.poll(MailConsumer.java:79)
        at
org.apache.camel.impl.ScheduledPollConsumer.run(ScheduledPollConsumer.java:108)
        at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at
java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
        at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
        at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:181)
        at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:205)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.NoRouteToHostException: No route to host
        at java.net.PlainSocketImpl.socketConnect(Native Method)
        at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
        at
java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
        at java.net.Socket.connect(Socket.java:519)
        at java.net.Socket.connect(Socket.java:469)
        at
com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:233)
        at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:189)
        at com.sun.mail.pop3.Protocol.(Protocol.java:94)
        at com.sun.mail.pop3.POP3Store.getPort(POP3Store.java:214)
        at com.sun.mail.pop3.POP3Store.protocolConnect(POP3Store.java:157)
        ... 13 more


This went on for about a minute or so and there was no more in the log file
until several hours later - in fact when an email appeared in the INBOX. I
know this because my personal email account was copied on the email and so I
have the timestamp.

I then get the following message every time I poll the server and have to
re-start my application to get over it:


2009-11-26 19:19:57,293 [: MailComponent] ERROR MailConsumer                  
- Folder not open
java.lang.IllegalStateException: Folder not open
        at javax.mail.Folder.getMessages(Folder.java:938)
        at javax.mail.Folder.search(Folder.java:1226)
        at
org.apache.camel.component.mail.MailConsumer.poll(MailConsumer.java:107)
        at
org.apache.camel.impl.ScheduledPollConsumer.run(ScheduledPollConsumer.java:108)
        at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at
java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
        at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
        at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:181)
        at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:205)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:619)


Looks as though there might be a bug in the Camel Mail component?

Happy to create a JIRA if there is consensus.

Kind regards,
Christopher
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