RAR5074 - what is the root of this problem?
Hello i have posted this msg before but seems i am still far from a solution.
I deployed an webapp created by Java Studio Creatro 2. After approx 1/2/3 days in random any action that requires access to the DB, the app gets stuck.
I checked the error code in the error message reference doc
according to mysql error doc i set the autoReconnect=true
I check the the MYsql DB it was never restarted.
I have also run some test with starting stopping mysql server while the app server is running everything seem ok.
I made a similar posting before and we thought it was the connection pool manager not reconnecting .. but this does not seem to be the case .. .since when i start/stop mysql server .. things workout fine
OS: Solaris 10 3/05 s10_74L2a SPARC
appserver: Sun Java System Application Server Platform
Edition 8.2.
dbserver:mysql server 4.0.24
jdbc driver:mysql-connector-java-3.1.12-bin.jar
entry in the log file
[#|2006-04-29T12:44:34.552+0700|SEVERE|sun-appserver-pe8.2|javax.enterprise.res ource.resourceadapter|_ThreadID=18;|RAR5074 : Exception while executing prepared statement|#]
[#|2006-04-29T12:44:34.559+0700|SEVERE|sun-appserver-pe8.2|javax.enterprise.res ource.resourceadapter|_ThreadID=18;|jdbc.re|#]
NOTE: there does not seem to be anyproblem when i start stop the mysql server ... No stact trace is being printed .. this is all there is in the log file
the connection pool settings are
general settings
datesource class: com.mysql.jdbc.jdbc2.optional.MysqlConnectionPoolDataSource
resource type: javax.sql.connectionPoolDataSource
pool settings
init min pool size: 8
max pool size: 32
resize qnt: 2
idel timeout: 300
max wait time: 60000
connection validation
validation: required
validation method: table
tablename: validation table
on failure: close all connetion
trans isolation
isolation: read-uncomitted
level: Guaranteed
can someone please help .. this is driving me crazy
Hello
i been looking into the creator 2 generated pre stms in the session bean .. seems it has something like
usersRowSet.setCommand("Select ALL users.groupid, \n users.firstname, \n ...");
Could it be this .. i have manually changed it to (remove the \n)
usersRowSet.setCommand("Select ALL users.groupid, users.firstname, ...");
i have to wait over night to c if it made any difference ..
i still wonder if there is something wrong with the statement y is the error not consistent insted of being seemingly random
also as i mentied the app gets stuck just trying to render the page to begin with ... so no statement is executed at that point (atleat not by my code)
thanx so much for ur insights ..
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