closing brackets before "else"

Hi,dear Irule

 

 

if {[class match $uri starts_with gen3abURLs_SRWD29]} {

 

if { rand() <0.2 } {

 

pool cjj-BRX set cjjA_cookie 1

 

return

 

}

 

else {

 

pool cjj-BROWSE

 

set cjjB_cookie 1

 

return

 

}

 

}

 

 

Hi,in a http request event,if I submit rule like above,it told me undefined procedure :else

 

 

but if I changed it to rule like below,it is fine,why should I put else after the closing brackets,how to work around this?

 

if {[class match $uri starts_with gen3abURLs_SRWD29]} {

 

if { rand() <0.2 } {

 

pool cjj-BRX

 

set cjjA_cookie 1

 

return

 

} else {

 

pool cjj-BROWSE

 

set cjjB_cookie 1

 

return

 

}

 

}