Hi Geert,
My problem is about the scheduler. I have written a
ParticipantDatabaseScheduler (getting tips from the
ParticipantMemoryScheduler). The code is as follows:
public class ParticipantDatabaseScheduler extends BlockingParticipant {
private Scheduler scheduler;
public ParticipantDatabaseScheduler() {
setInitializationMessage("Getting database scheduler and
starting the execution ...");
setCleanupMessage("Stopping database scheduler and cleaning it up ...");
}
protected void initialize() {
Datasource mDatasource = Datasources.getRepInstance().getDatasource(
Config.getRepInstance().getString("DATABASE"));
scheduler =
DatabaseSchedulerFactory.getInstance(mDatasource).getScheduler();
addExecutorToScheduler();
scheduler.start();
}
protected void cleanup() {
if (scheduler != null) {
scheduler.interrupt();
}
}
protected Object _getObject(Object key) {
return scheduler;
}
}
When I am running rife inside jetty, starting the scheduler causes no
problem and works perfectly. But, when I start rife in my tests,
without using jetty, I get error. In my tests, I initialize rife the
following way :
Rep.cleanup();
Rep.initialize("rep/participants.xml");
The error I get in my tests when I start the scheduler is:
14.Mar.2006 18:09:41 com.uwyn.rife.rep.BlockingRepository uncaughtException
SEVERE:
com.uwyn.rife.scheduler.exceptions.UnableToRetrieveTasksToProcessException:
Unable to retrieve the tasks to process.
at com.uwyn.rife.scheduler.Scheduler.scheduleStep(Scheduler.java:177)
at com.uwyn.rife.scheduler.Scheduler.run(Scheduler.java:128)
Caused by:
com.uwyn.rife.scheduler.taskmanagers.exceptions.GetTasksToProcessErrorException:
Unable to get the tasks to process.
at
com.uwyn.rife.scheduler.taskmanagers.DatabaseTasks._getTasksToProcess(DatabaseTasks.java:214)
at
com.uwyn.rife.scheduler.taskmanagers.databasedrivers.generic.getTasksToProcess(generic.java:154)
at com.uwyn.rife.scheduler.Scheduler.scheduleStep(Scheduler.java:162)
... 1 more
Caused by:
com.uwyn.rife.database.exceptions.PreparedStatementCreationErrorException:
Couldn't create a new prepared statement.
at
com.uwyn.rife.database.DbConnection.getPreparedStatement(DbConnection.java:617)
at
com.uwyn.rife.database.DbResultSetHandler.getPreparedStatement(DbResultSetHandler.java:38)
at
com.uwyn.rife.database.capabilities.org_apache_derby_jdbc_EmbeddedDriver.getCapablePreparedStatement(org_apache_derby_jdbc_EmbeddedDriver.java:34)
at
com.uwyn.rife.database.DbQueryManager.getPreparedStatement(DbQueryManager.java:190)
at
com.uwyn.rife.database.DbQueryManager.executeFetchAll(DbQueryManager.java:2392)
at
com.uwyn.rife.scheduler.taskmanagers.DatabaseTasks._getTasksToProcess(DatabaseTasks.java:204)
... 3 more
Caused by: org.apache.derby.client.am.SqlException: DERBY SQL error:
SQLCODE: -1, SQLSTATE: 42X05, SQLERRMC: SCHEDTASK42X05
at org.apache.derby.client.am.Statement.completeSqlca(Unknown Source)
at
org.apache.derby.client.net.NetStatementReply.parsePrepareError(Unknown
Source)
at
org.apache.derby.client.net.NetStatementReply.parsePRPSQLSTTreply(Unknown
Source)
at
org.apache.derby.client.net.NetStatementReply.readPrepareDescribeOutput(Unknown
Source)
at
org.apache.derby.client.net.StatementReply.readPrepareDescribeOutput(Unknown
Source)
at
org.apache.derby.client.net.NetStatement.readPrepareDescribeOutput_(Unknown
Source)
at
org.apache.derby.client.am.Statement.readPrepareDescribeOutput(Unknown
Source)
at
org.apache.derby.client.am.PreparedStatement.readPrepareDescribeInputOutput(Unknown
Source)
at
org.apache.derby.client.am.PreparedStatement.flowPrepareDescribeInputOutput(Unknown
Source)
at org.apache.derby.client.am.PreparedStatement.prepare(Unknown Source)
at org.apache.derby.client.am.Connection.prepareStatementX(Unknown
Source)
at org.apache.derby.client.am.Connection.prepareStatement(Unknown
Source)
at
com.uwyn.rife.database.DbConnection.getPreparedStatement(DbConnection.java:604)
... 8 more
I really need help about this.
Thank you
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