Program "Run" problem

When I compile and run with JDK 1.4.... everything ok but if I install 1.5.... the mobile emulator shows error. Why does this happen? (solution may be: compile ...target 1.4...)
[184 byte] By [mmt2020a] at [2007-9-25]
# 1
Hello frndI already faced ths kind of problem my dearbecause J2ME toolkit is tested(camparatible) with jdk1.4.0plz use any version of jdk1.4.X else u have to face problemthx and reg Souvik
souvika at 2007-7-14 > top of java,Java Mobility Forums,Java ME Technologies...
# 2
After reinstalling jdk you have to reinstall wtk also, then it works fine.-Tom
TomToma at 2007-7-14 > top of java,Java Mobility Forums,Java ME Technologies...
# 3
which WTK did you install?
suparenoa at 2007-7-14 > top of java,Java Mobility Forums,Java ME Technologies...