tomcat 5 dev update issues

[RaXeT]

 Updating  : tomcat5                      ##################### [ 51/295]
/usr/bin/build-jar-repository: error: could not find jaas Java extension 
for this JVM
/usr/bin/build-jar-repository: error: All specified jars were not found 
for this jvm
/usr/bin/build-jar-repository: error: could not find jdbc-stdext Java 
extension for this JVM
/usr/bin/build-jar-repository: error: could not find jta Java extension 
for this JVM
/usr/bin/build-jar-repository: error: could not find jndi Java extension 
for this JVM
/usr/bin/build-jar-repository: error: All specified jars were not found 
for this jvm

What has gone wrong here?

RaXeT