Oracle XE and ORA-12519 errors

I was setting up a virtual machine with:
- Oracle database 10g Express Edition
- Oracle Oc4J (Oracle Containers for J2EE)
- Enterprise Application on OC4J accessing the local database

When I was testing the application, it started to throw errors on the init of the application (the application loads some highly-accessed information from DB to Cache on the init phase):

ORA-12519, TNS:no appropriate service handler found

As I was able to access the database both remotely and locally (through SQL*PLUS), after some research I found that the problem was due to a bug on Oracle DB Express Edition (XE)on how the connections are monitored.

Solution:

1. Change a system parameter: ALTER SYSTEM SET PROCESSES=150 SCOPE=SPFILE
2. Restart database
   

iTunes has detected an iPod in recovery mode

I started receiving this message the day after I first synchronized my Ipod with Itunes at home. I tried to connect the Ipod while at the office and keep receiving the "Itunes has detected an IPod in recovery mode" and tried several times to restore original settings without result.

Then, a quick Google search and I found the following on a blog post:

If you had received message from iTunes like this,
“iTunes has detected an iPod in recovery mode. you must restore this iPod before it can be used with iTunes” ,
you musn’t click restore button. It just only because your operating system detected iPod and put it with drive letter that
have been used before. iPod seems to take a drive letter closest to your fixed volumes.
So the solution is change the drive letter from
Start | Control Panel | Administrative Tools | Computer Management
or just
Start | Run | compmgmt.msc
or right click My Computer then choose Manage…
then click Disk Management and change the iPod drive letter

The problem was that at my office, some drive letters are occupied by network directories assigned during login on the domain.

It worked for me! Great!