root@wing-nck70:/ # app_process -Xzygote /system/bin --zygote --start-system-s>
java.lang.RuntimeException: ANDROID_SOCKET_zygote unset or invalid
        at com.android.internal.os.ZygoteInit.registerZygoteSocket(ZygoteInit.java:161)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:567)
        at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.NumberFormatException: Invalid int: "null"
        at java.lang.Integer.invalidInt(Integer.java:137)
        at java.lang.Integer.parseInt(Integer.java:354)
        at java.lang.Integer.parseInt(Integer.java:331)
        at com.android.internal.os.ZygoteInit.registerZygoteSocket(ZygoteInit.java:159)
        ... 2 more