ns2中can't read "debug_": no such variable类似问题
2012-03-09 16:52
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前两天在ns2中加入两个agent,一个application,编译没有问题,但是在运行tcl文件时出现如下错误:
INITIALIZE THE LIST xListHead
can't read "debug_": no such variable
(Object set line 1)
invoked from within
"CMUTrace/Recv set debug_"
invoked from within
"catch "$c set $var" val"
invoked from within
"if [catch "$self cmd $args" ret] {
set cls [$self info class]
global errorInfo
set savedInfo $errorInfo
error "error when calling class $cls: $args" $..."
(procedure "_o270" line 2)
(SplitObject unknown line 2)
invoked from within
"$sinkapp2 attach-agent $sinkagent2"
(file "test.tcl" line 200)
在网上找了一下,按照最简单的解决方法,查看ns-default.tcl文件。
然而在ns-default.tcl中找到了CMUTrace set debug_ 0的语句,不知道为什么对CMUTrace/Recv没有作用。而且自己加入语句CMUTrace/Recv
set debug_ 0,又会出现类似的错误,提示找不到其他变量。一直添加语句将CMUTrace/Recv的错误解决完之后,仍然有CMUTrace/Send甚至Queue中等等大同小异的错误。
更纠结的是,这样一直添加能解决问题也行,但到最后出现问题说找不到Simulator的变量nix,而且在ns-default.tcl中只找到Simulator set nix-routing 0 这句话,没有nix的设置。。。
拖了两天,突然发现application中command()函数最后缺少了return
(Application::command(argc, argv));
一定要细心啊,,一点小问题耽误两天时间啊~~~
INITIALIZE THE LIST xListHead
can't read "debug_": no such variable
(Object set line 1)
invoked from within
"CMUTrace/Recv set debug_"
invoked from within
"catch "$c set $var" val"
invoked from within
"if [catch "$self cmd $args" ret] {
set cls [$self info class]
global errorInfo
set savedInfo $errorInfo
error "error when calling class $cls: $args" $..."
(procedure "_o270" line 2)
(SplitObject unknown line 2)
invoked from within
"$sinkapp2 attach-agent $sinkagent2"
(file "test.tcl" line 200)
在网上找了一下,按照最简单的解决方法,查看ns-default.tcl文件。
然而在ns-default.tcl中找到了CMUTrace set debug_ 0的语句,不知道为什么对CMUTrace/Recv没有作用。而且自己加入语句CMUTrace/Recv
set debug_ 0,又会出现类似的错误,提示找不到其他变量。一直添加语句将CMUTrace/Recv的错误解决完之后,仍然有CMUTrace/Send甚至Queue中等等大同小异的错误。
更纠结的是,这样一直添加能解决问题也行,但到最后出现问题说找不到Simulator的变量nix,而且在ns-default.tcl中只找到Simulator set nix-routing 0 这句话,没有nix的设置。。。
拖了两天,突然发现application中command()函数最后缺少了return
(Application::command(argc, argv));
一定要细心啊,,一点小问题耽误两天时间啊~~~
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