We've been getting the following error messages on our jboss MQ server.

Can somebody explain what's going on? I'm at a loss. We're running Jboss 3.2.1 w/jetty on Solaris 8 with Sun's java v1.3.1_07

2004-01-05 10:14:54,106 INFO [org.jboss.resource.connectionmanager.JBossManagedConnectionPool] Exception destroying ManagedConnection
org.jboss.resource.JBossResourceException: SQLException; - nested throwable: (java.sql.SQLException: The database is shutdown in statement [DISCONNECT])
at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.checkException(BaseWrapperManagedConnection.java:445)
at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.destroy(BaseWrapperManagedConnection.java:229)
at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.doDestroy(InternalManagedConnectionPool.java:374)
at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.removeTimedOut(InternalManagedConnectionPool.java:288)
at org.jboss.resource.connectionmanager.IdleRemover$1.run(IdleRemover.java:70)
at java.lang.Thread.run(Thread.java:479)
+ nested throwable:
java.sql.SQLException: The database is shutdown in statement [DISCONNECT]
at org.hsqldb.Trace.getError(Unknown Source)
at org.hsqldb.jdbcResultSet.(Unknown Source)
at org.hsqldb.jdbcConnection.executeStandalone(Unknown Source)
at org.hsqldb.jdbcConnection.execute(Unknown Source)
at org.hsqldb.jdbcConnection.closeStandalone(Unknown Source)
at org.hsqldb.jdbcConnection.close(Unknown Source)
at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.destroy(BaseWrapperManagedConnection.java:225)
at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.doDestroy(InternalManagedConnectionPool.java:374)
at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.removeTimedOut(InternalManagedConnectionPool.java:288)
at org.jboss.resource.connectionmanager.IdleRemover$1.run(IdleRemover.java:70)
at java.lang.Thread.run(Thread.java:479)