Why does the Error: 500 SC_INTERNAL_SERVER_ERROR appear when multiple users access my JSPs but does not occur when only one user accesses my JSPs?

When multiple users run my JSP application, why do some users get an Error: 500 SC_INTERNAL_SERVER_ERROR for certain JSP pages with the error message No such file or directory. The JSP listed on the Error 500 page varies and is not always the same. When only one user runs my JSP application, the problem does not occur?
The database connection is held when the user logs in or accesses certain parts of the JSP and then is immediately released. No connections to the database are held.
We are using Solaris 8 with MU_6 plus recommended patches.
Enterprise Ultra 250
iAS 6 SP 3

Is anything showing up in the KXS or KJS logs?
It sounds like you might having some kind of thread safety issue with your code. Either that or your guess about running out of database connections.

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Why does the Error: 500 SC_INTERNAL_SERVER_ERROR appear when multiple users access my JSPs but does not occur when only one user accesses my JSPs?

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