I'm trying to follow these instructions: http://davanum.wordpress.com/2007/12/04/command-line-java-on-dalvikvm/
I've got the CmdLine.jar generated, but I get a NullPointerException thrown. This is on Fedora 17 x64 host, and Android 4.0.4_r1 source. Should this work? [kai@gamer-fedora16-64 out]$ ANDROID_ROOT=${PWD}/host/linux-x86 ANDROID_DATA=${PWD} host/linux-x86/bin/dalvikvm -Xint:portable -Xbootclasspath:${PWD}/target/product/generic/dex_bootjars/system/framework/core.jar -classpath /home/kai/git/android/foo/CmdLine.jar org.apache.HelloWorld W/dalvikvm(29918): Exception Ljava/lang/NullPointerException; thrown while initializing Ljava/lang/System; W/dalvikvm(29918): Exception Ljava/lang/ExceptionInInitializerError; thrown while initializing Ljava/lang/ClassLoader$SystemClassLoader; W/dalvikvm(29918): WARNING: system class loader is NULL (setting main ctxt) W/dalvikvm(29918): Warning: tracked references remain post-initialization W/dalvikvm(29918): MAIN reference table (0x8c6b7d8) dump: W/dalvikvm(29918): Last 1 entries (of 1): E/dalvikvm(29918): Class lookup Ljava/lang/Daemons; attempted with exception pending W/dalvikvm(29918): Pending exception is: I/dalvikvm(29918): java.lang.ExceptionInInitializerError: I/dalvikvm(29918): at java.lang.ClassLoader.getSystemClassLoader(ClassLoader.java:125) I/dalvikvm(29918): at dalvik.system.NativeStart.main(Native Method) I/dalvikvm(29918): Caused by: I/dalvikvm(29918): java.lang.ExceptionInInitializerError: I/dalvikvm(29918): at java.lang.ClassLoader.createSystemClassLoader(ClassLoader.java:100) I/dalvikvm(29918): at java.lang.ClassLoader.access$000(ClassLoader.java:65) I/dalvikvm(29918): at java.lang.ClassLoader$SystemClassLoader.<clinit>(ClassLoader.java:81) I/dalvikvm(29918): at java.lang.ClassLoader.getSystemClassLoader(ClassLoader.java:125) I/dalvikvm(29918): at dalvik.system.NativeStart.main(Native Method) I/dalvikvm(29918): Caused by: I/dalvikvm(29918): java.lang.NullPointerException: I/dalvikvm(29918): at java.util.Hashtable.put(Hashtable.java:365) I/dalvikvm(29918): at java.lang.System.initSystemProperties(System.java:286) I/dalvikvm(29918): at java.lang.System.getProperties(System.java:260) I/dalvikvm(29918): at java.lang.System.getProperty(System.java:425) I/dalvikvm(29918): at java.lang.System.getProperty(System.java:406) I/dalvikvm(29918): at java.lang.System.<clinit>(System.java:90) I/dalvikvm(29918): at java.lang.ClassLoader.createSystemClassLoader(ClassLoader.java:100) I/dalvikvm(29918): at java.lang.ClassLoader.access$000(ClassLoader.java:65) I/dalvikvm(29918): at java.lang.ClassLoader$SystemClassLoader.<clinit>(ClassLoader.java:81) I/dalvikvm(29918): at java.lang.ClassLoader.getSystemClassLoader(ClassLoader.java:125) I/dalvikvm(29918): at dalvik.system.NativeStart.main(Native Method) I/dalvikvm(29918): DALVIK THREADS: I/dalvikvm(29918): "main" prio=5 tid=1 RUNNABLE I/dalvikvm(29918): | group="main" sCount=0 dsCount=0 obj=0xf60713a8 self=0x8c6b3e0 I/dalvikvm(29918): | sysTid=29918 nice=0 sched=0/0 cgrp=[n/a] handle=-150587648 I/dalvikvm(29918): | schedstat=( 14205704 604920 127 ) utm=0 stm=0 core=0 I/dalvikvm(29918): at dalvik.system.NativeStart.main(Native Method) I/dalvikvm(29918): E/dalvikvm(29918): VM aborting W/dalvikvm(29918): #0 /home/kai/git/android/out/host/linux-x86/bin/../lib/libdvm.so(_Z23dvmPrintNativeBackTracev+0x31) [0xf7622e11] W/dalvikvm(29918): #1 /home/kai/git/android/out/host/linux-x86/bin/../lib/libdvm.so(dvmAbort+0xad) [0xf7622f6d] W/dalvikvm(29918): #2 /home/kai/git/android/out/host/linux-x86/bin/../lib/libdvm.so(+0xc06b5) [0xf766f6b5] W/dalvikvm(29918): #3 /home/kai/git/android/out/host/linux-x86/bin/../lib/libdvm.so(_Z18dvmFindSystemClassPKc+0x22) [0xf7671822] W/dalvikvm(29918): #4 /home/kai/git/android/out/host/linux-x86/bin/../lib/libdvm.so(_Z19dvmGcStartupClassesv+0x1e) [0xf764424e] W/dalvikvm(29918): #5 /home/kai/git/android/out/host/linux-x86/bin/../lib/libdvm.so(_Z10dvmStartupiPKPKcbP7_JNIEnv+0xa6d) [0xf76239ed] W/dalvikvm(29918): #6 /home/kai/git/android/out/host/linux-x86/bin/../lib/libdvm.so(JNI_CreateJavaVM+0x3e2) [0xf7637ba2] W/dalvikvm(29918): #7 host/linux-x86/bin/dalvikvm() [0x8048937] W/dalvikvm(29918): #8 /lib/libc.so.6(__libc_start_main+0xf5) [0x470f5635] W/dalvikvm(29918): #9 host/linux-x86/bin/dalvikvm() [0x8048f29] Segmentation fault (core dumped) -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting