Hi all,
I have just upgraded the Resin from 2.1.1 to 3.1.1. It seems work well, but I
feel so confused that in the log file, it always have error messages like that:
java.lang.NullPointerException
at
com.caucho.amber.manager.AmberPersistenceUnit.updateCacheItem(AmberPersistenceUnit
It has become a very difficult job to get to the root of jsp exceptions. The
stack trace's last reference to the code is
"pageContext.handlePageException(_jsp_e);" in the compiled jsp
(_hotel_0details_0base__jsp.java:483). And this line of code is in the catch
block. This line of code (pageContext