On Saturday, January 12, 2013 12:15:45 AM UTC-7, Kai Meyer wrote: > > 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) > > I figure this one out. It's because of a missing LD_LIBRARY_PATH variable. Apparently it's required.
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