JNI_OnLoad returned bad version (-1) 问题解决 proguard

最新推荐文章于 2021-12-15 09:19:53 发布

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最新推荐文章于 2021-12-15 09:19:53 发布 · 7.4k 阅读

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#jni #android开发 #jni error

在Android开发中遇到JNI_OnLoad返回错误版本(-1)的问题，日志显示在libengfetch_jni.so中。分析发现可能由Proguard的代码优化引起，通过在编译时保留特定方法(-keep)解决了问题。具体解决方案是在Android.mk中添加LOCAL_PROGUARD_FLAG_FILES，并创建proguard.flags文件，保持com.huaqin.runtime.engtools.engfetch类的所有静态方法。

添加jni时出现如下问题

log 如下

01-07 17:34:51.406 W/dalvikvm( 2032): JNI_OnLoad returned bad version (-1) in /system/lib/libengfetch_jni.so 0x423fcc30

01-07 17:34:51.406 D/wll ( 2032): load libtesterstatus_jni error!
01-07 17:34:51.406 W/dalvikvm( 2032): No implementation found for native Lcom/huaqin/runtime/engtools/engfetch;.engf_writephasecheck:(II)V
01-07 17:34:51.406 D/AndroidRuntime( 2032): Shutting down VM
01-07 17:34:51.406 W/dalvikvm( 2032): threadid=1: thread exiting with uncaught exception (group=0x41cdc378)
01-07 17:34:51.406 I/ ( 2032): JNI_OnLoad
01-07 17:34:51.406 E/ ( 2032): RegisterNatives failed for 'com/huaqin/runtime/engtools/engfetch'
01-07 17:34:51.406 E/ ( 2032): ERROR: registerNatives failed
01-07 17:34:51.406 E/AndroidRuntime( 2032): FATAL EXCEPTION: main
01-07 17:34:51.406 E/AndroidRuntime( 2032):