回编框架出现什么问题了？

W: Could not find sources
invalid resource directory name: /sdcard/noxitong/framework-res_src/res/drawable-ldrtl-hdpi
invalid resource directory name: /sdcard/noxitong/framework-res_src/res/drawable-ldrtl-xhdpi
invalid resource directory name: /sdcard/noxitong/framework-res_src/res/drawable-ldrtl-mdpi
Exception in thread "main" brut.androlib.AndrolibException: brut.androlib.AndrolibException: brut.common.BrutException: could not exec command: [/data/data/per.pqy.apktool/lix/aapt, p, --min-sdk-version, 17, --target-sdk-version, 17, --version-code, 17, --version-name, 4.2.1-eng.root.20130716.174431, -F, /data/data/per.pqy.apktool/APKTOOL3640062923715160074.tmp, -x, -S, /sdcard/noxitong/framework-res_src/res, -M, /sdcard/noxitong/framework-res_src/AndroidManifest.xml]
at brut.androlib.Androlib.buildResourcesFull(Androlib.java:434)
at brut.androlib.Androlib.buildResources(Androlib.java:362)
at brut.androlib.Androlib.build(Androlib.java:285)
at brut.androlib.Androlib.build(Androlib.java:258)
at brut.apktool.Main.cmdBuild(Main.java:233)
at brut.apktool.Main.main(Main.java:88)
Caused by: brut.androlib.AndrolibException: brut.common.BrutException: could not exec command: [/data/data/per.pqy.apktool/lix/aapt, p, --min-sdk-version, 17, --target-sdk-version, 17, --version-code, 17, --version-name, 4.2.1-eng.root.20130716.174431, -F, /data/data/per.pqy.apktool/APKTOOL3640062923715160074.tmp, -x, -S, /sdcard/noxitong/framework-res_src/res, -M, /sdcard/noxitong/framework-res_src/AndroidManifest.xml]
at brut.androlib.res.AndrolibResources.aaptPackage(AndrolibResources.java:481)
at brut.androlib.Androlib.buildResourcesFull(Androlib.java:415)
... 5 more
Caused by: brut.common.BrutException: could not exec command: [/data/data/per.pqy.apktool/lix/aapt, p, --min-sdk-version, 17, --target-sdk-version, 17, --version-code, 17, --version-name, 4.2.1-eng.root.20130716.174431, -F, /data/data/per.pqy.apktool/APKTOOL3640062923715160074.tmp, -x, -S, /sdcard/noxitong/framework-res_src/res, -M, /sdcard/noxitong/framework-res_src/AndroidManifest.xml]
at brut.util.OS.exec(OS.java:89)
at brut.androlib.res.AndrolibResources.aaptPackage(AndrolibResources.java:475)
... 6 more
I: Using Apktool 2.0.0-Beta7 on framework-res_src
I: Building resources...