Error while firing WatchedFolder trigger

hi all,

once every day server reports following error , cannot recover (needs restart):

2008-03-10 22:36:50,855 error [org.quartz.core.errorlogger] error occured while firing trigger 'watchedfolder.watchedfolder:605'
org.quartz.jobpersistenceexception: couldn't select trigger state: communications link failure due underlying exception:

** begin nested exception **

java.net.socketexception
message: connection reset peer: socket write error

stacktrace:

java.net.socketexception: connection reset peer: socket write error
@ java.net.socketoutputstream.socketwrite0(native method)
@ java.net.socketoutputstream.socketwrite(socketoutputstream.java:92)
@ java.net.socketoutputstream.write(socketoutputstream.java:136)
@ java.io.bufferedoutputstream.flushbuffer(bufferedoutputstream.java:65)
@ java.io.bufferedoutputstream.flush(bufferedoutputstream.java:123)
@ com.mysql.jdbc.mysqlio.send(mysqlio.java:2692)
@ com.mysql.jdbc.mysqlio.send(mysqlio.java:2621)
@ com.mysql.jdbc.mysqlio.sendcommand(mysqlio.java:1552)
@ com.mysql.jdbc.serverpreparedstatement.serverexecute(serverpreparedstatement.java:1124)
@ com.mysql.jdbc.serverpreparedstatement.executeinternal(serverpreparedstatement.java:676)
@ com.mysql.jdbc.preparedstatement.executequery(preparedstatement.java:1030)
@ org.jboss.resource.adapter.jdbc.cachedpreparedstatement.executequery(cachedpreparedstatem ent.java:76)
@ org.jboss.resource.adapter.jdbc.wrappedpreparedstatement.executequery(wrappedpreparedstat ement.java:211)
@ org.quartz.impl.jdbcjobstore.stdjdbcdelegate.selecttriggerstate(stdjdbcdelegate.java:2317 )
@ org.quartz.impl.jdbcjobstore.jobstoresupport.triggerfired(jobstoresupport.java:2778)
@ org.quartz.impl.jdbcjobstore.jobstoresupport$37.execute(jobstoresupport.java:2757)
@ org.quartz.impl.jdbcjobstore.jobstoresupport.executeinnonmanagedtxlock(jobstoresupport.ja va:3662)
@ org.quartz.impl.jdbcjobstore.jobstoresupport.triggerfired(jobstoresupport.java:2751)
@ org.quartz.core.quartzschedulerthread.run(quartzschedulerthread.java:313)

i have reinstalled server , imported processes had created earlier, no custom setup within "stomach of jboss/livecycle".

does knwo can rectify/localise error?

sincerely
kim

can true nobody knows problem?

the problem seems strange me problem occurs - can find 1 watched folder endpoint in administration ui - , error occurs if have disabled endpoint.

any suggestions can chase nature of error?

thanks in advance

sincerely
kim

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