编译android,无法访问 java.lang.Object问题

本文介绍了一种解决Android项目中出现的编译错误的方法,特别是针对无法访问Java基础类库Object的问题。通过调整系统的jar工具版本,成功解决了编译过程中遇到的错误。
Install: out/target/product/generic/system/app/Browser.apk
target Java: Calculator (out/target/common/obj/APPS/Calculator_intermediates/classes)
out/target/common/obj/APPS/Calculator_intermediates/src/com/android/calculator2/R.java:10: cannot access java.lang.Object
bad class file: java/lang/Object.class(java/lang:Object.class)
unable to access file: corrupted zip file
Please remove or make sure it appears in the correct subdirectory of the classpath.
public final class R {
             ^

make: *** [out/target/common/obj/APPS/Calculator_intermediates/classes-full-debug.jar] Error 41


http://hi.baidu.com/cmdmac/item/93920ff30164270884d278a4

在网上找了N久也不得其解,重新java1.6 jdk也不行,sudo update-alternatives --config java,sudo update-alternatives --config javac选择sun-java6还是不行,不过终于还是找到点有用东西。

原因是要选择jar的版本,sudo update-alternatives --config jar选择3,java6的就可以了,我的默认的变成了0, /usr/bin/fastjar

  选择       路径                               优先级  状态

------------------------------------------------------------

  0            /usr/bin/fastjar                      100       自动模式

  1            /usr/bin/fastjar                      100       手动模式

  2            /usr/lib/jvm/java-1.5.0-sun/bin/jar   53        手动模式

* 3            /usr/lib/jvm.

 

我自己的情况:

derek@u10:~/ics/ics-4.0.4$ sudo update-alternatives --config jar
There are 2 choices for the alternative jar (providing /usr/bin/jar).
  Selection    Path                                Priority   Status
------------------------------------------------------------
* 0            /usr/bin/fastjar                     100       auto mode
  1            /usr/bin/fastjar                     100       manual mode
  2            /usr/lib/jvm/java-6-oracle/bin/jar   1         manual mode
Press enter to keep the current choice[*], or type selection number: 2




decodeVideo_length(ms):15000 2025-10-29 18:34:29.072 22268-22268 MainActivity com.tencent.yolov5ncnn D decodeVideo_length:15 2025-10-29 18:34:29.336 22268-22268 System.err com.tencent.yolov5ncnn W Warning: Version of org.bytedeco:ffmpeg could not be found. 2025-10-29 18:34:29.368 22268-22268 nativeloader com.tencent.yolov5ncnn D Load libavutil.so using class loader ns clns-9 (caller=/data/app/~~AxthyRrlzwhqMwH4WyQ0nw==/com.tencent.yolov5ncnn-x18wEN5oUtP2Ntei_KUg_Q==/base.apk): dlopen failed: library "libavutil.so" not found 2025-10-29 18:34:29.379 22268-22268 nativeloader com.tencent.yolov5ncnn D Load libjniavutil.so using class loader ns clns-9 (caller=/data/app/~~AxthyRrlzwhqMwH4WyQ0nw==/com.tencent.yolov5ncnn-x18wEN5oUtP2Ntei_KUg_Q==/base.apk): dlopen failed: library "libjniavutil.so" not found 2025-10-29 18:34:29.404 22268-22268 nativeloader com.tencent.yolov5ncnn D Load libjnijavacpp.so using class loader ns clns-9 (caller=/data/app/~~AxthyRrlzwhqMwH4WyQ0nw==/com.tencent.yolov5ncnn-x18wEN5oUtP2Ntei_KUg_Q==/base.apk): dlopen failed: library "libjnijavacpp.so" not found 2025-10-29 18:34:29.426 22268-22268 cent.yolov5ncnn com.tencent.yolov5ncnn I Rejecting re-init on previously-failed class java.lang.Class<org.bytedeco.ffmpeg.global.avutil>: java.lang.UnsatisfiedLinkError: dlopen failed: library "libjniavutil.so" not found at void java.lang.Runtime.loadLibrary0(java.lang.ClassLoader, java.lang.Class, java.lang.String) (Runtime.java:1090) at void java.lang.Runtime.loadLibrary0(java.lang.Class, java.lang.String) (Runtime.java:1012) at void java.lang.System.loadLibrary(java.lang.String) (System.java:1765) at java.lang.String org.bytedeco.javacpp.Loader.loadLibrary(java.lang.Class, java.net.URL[], java.lang.String, java.lang.String[]) (Loader.java:1832) at java.lang.String org.bytedeco.javacpp.Loader.load(java.lang.Class, java.util.Properties, boolean, java.lang.String) (Loader.java:1423) at java.lang.String org.bytedeco.javacpp.Loader.load(java.lang.Class, java.util.Properties, boolean) (Loader.java:1234) at java.lang.String org.bytedeco.javacpp.Loader.load() (Loader.java:1210) at void org.bytedeco.ffmpeg.global.avutil.<clinit>() (avutil.java:14) at java.lang.Class java.lang.Class.classForName(java.lang.String, boolean, java.lang.ClassLoader) (Class.java:-2) at java.lang.Class java.lang.Class.forName(java.lang.String, boolean, java.lang.ClassLoader) (Class.java:597) at java.lang.String org.bytedeco.javacpp.Loader.load(java.lang.Class, java.util.Properties, boolean, java.lang.String) (Loader.java:1289) at java.lang.String org.bytedeco.javacpp.Loader.load(java.lang.Class, java.util.Properties, boolean) (Loader.java:1234) at java.lang.String org.bytedeco.javacpp.Loader.load(java.lang.Class) (Loader.java:1226) at void org.bytedeco.javacv.FFmpegFrameGrabber.tryLoad() (FFmpegFrameGrabber.java:111) at void org.bytedeco.javacv.FFmpegFrameGrabber.<clinit>() (FFmpegFrameGrabber.java:137) at void com.tencent.yolov5ncnn.MainActivity.decodeVideo(android.net.Uri) (MainActivity.java:298) at void com.tencent.yolov5ncnn.MainActivity.onActivityResult(int, int, android.content.Intent) (MainActivity.java:228) at void android.app.Activity.onActivityResult(int, int, android.content.Intent, android.app.ComponentCaller) (Activity.java:7626) at void android.app.Activity.internalDispatchActivityResult(java.lang.String, int, int, android.content.Intent, android.app.ComponentCaller, java.lang.String) (Activity.java:9546) at void android.app.Activity.dispatchActivityResult(java.lang.String, int, int, android.content.Intent, android.app.ComponentCaller, java.lang.String) (Activity.java:9523) at void android.app.ActivityThread.deliverResults(android.app.ActivityThread$ActivityClientRecord, java.util.List, java.lang.String) (ActivityThread.java:6173) at void android.app.ActivityThread.handleSendResult(android.app.ActivityThread$ActivityClientRecord, java.util.List, java.lang.String) (ActivityThread.java:6223) at void android.app.servertransaction.ActivityResultItem.execute(android.app.ClientTransactionHandler, android.app.ActivityThread$ActivityClientRecord, android.app.servertransaction.PendingTransactionActions) (ActivityResultItem.java:78) at void android.app.servertransaction.ActivityTransactionItem.execute(android.app.ClientTransactionHandler, android.app.servertransaction.PendingTransactionActions) (ActivityTransactionItem.java:63) at void android.app.servertransaction.TransactionExecutor.executeNonLifecycleItem(android.app.servertransaction.ClientTransaction, android.app.servertransaction.ClientTransactionItem, boolean) (TransactionExecutor.java:133) at void android.app.servertransaction.TransactionExecutor.executeTransactionItems(android.app.servertransaction.ClientTransaction) (TransactionExecutor.java:103) at void android.app.servertransaction.TransactionExecutor.execute(android.app.servertransaction.ClientTransaction) (TransactionExecutor.java:80) at void android.app.ActivityThread$H.handleMessage(android.os.Message) (ActivityThread.java:2823) at void android.os.Handler.dispatchMessage(android.os.Message) (Handler.java:110) 2025-10-29 18:34:29.426 22268-22268 cent.yolov5ncnn com.tencent.yolov5ncnn I at boolean android.os.Looper.loopOnce(android.os.Looper, long, int) (Looper.java:248) at void android.os.Looper.loop() (Looper.java:338) at void android.app.ActivityThread.main(java.lang.String[]) (ActivityThread.java:9067) at java.lang.Object java.lang.reflect.Method.invoke(java.lang.Object, java.lang.Object[]) (Method.java:-2) at void com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run() (RuntimeInit.java:593) at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:932) Caused by: java.lang.UnsatisfiedLinkError: Could not find jniavutil in class, module, and library paths. at java.lang.String org.bytedeco.javacpp.Loader.loadLibrary(java.lang.Class, java.net.URL[], java.lang.String, java.lang.String[]) (Loader.java:1799) at java.lang.String org.bytedeco.javacpp.Loader.load(java.lang.Class, java.util.Properties, boolean, java.lang.String) (Loader.java:1423) at java.lang.String org.bytedeco.javacpp.Loader.load(java.lang.Class, java.util.Properties, boolean) (Loader.java:1234) at java.lang.String org.bytedeco.javacpp.Loader.load() (Loader.java:1210) at void org.bytedeco.ffmpeg.global.avutil.<clinit>() (avutil.java:14) at java.lang.Class java.lang.Class.classForName(java.lang.String, boolean, java.lang.ClassLoader) (Class.java:-2) at java.lang.Class java.lang.Class.forName(java.lang.String, boolean, java.lang.ClassLoader) (Class.java:597) at java.lang.String org.bytedeco.javacpp.Loader.load(java.lang.Class, java.util.Properties, boolean, java.lang.String) (Loader.java:1289) at java.lang.String org.bytedeco.javacpp.Loader.load(java.lang.Class, java.util.Properties, boolean) (Loader.java:1234) at java.lang.String org.bytedeco.javacpp.Loader.load(java.lang.Class) (Loader.java:1226) at void org.bytedeco.javacv.FFmpegFrameGrabber.tryLoad() (FFmpegFrameGrabber.java:111) at void org.bytedeco.javacv.FFmpegFrameGrabber.<clinit>() (FFmpegFrameGrabber.java:137) at void com.tencent.yolov5ncnn.MainActivity.decodeVideo(android.net.Uri) (MainActivity.java:298) at void com.tencent.yolov5ncnn.MainActivity.onActivityResult(int, int, android.content.Intent) (MainActivity.java:228) at void android.app.Activity.onActivityResult(int, int, android.content.Intent, android.app.ComponentCaller) (Activity.java:7626) at void android.app.Activity.internalDispatchActivityResult(java.lang.String, int, int, android.content.Intent, android.app.ComponentCaller, java.lang.String) (Activity.java:9546) at void android.app.Activity.dispatchActivityResult(java.lang.String, int, int, android.content.Intent, android.app.ComponentCaller, java.lang.String) (Activity.java:9523) at void android.app.ActivityThread.deliverResults(android.app.ActivityThread$ActivityClientRecord, java.util.List, java.lang.String) (ActivityThread.java:6173) at void android.app.ActivityThread.handleSendResult(android.app.ActivityThread$ActivityClientRecord, java.util.List, java.lang.String) (ActivityThread.java:6223) at void android.app.servertransaction.ActivityResultItem.execute(android.app.ClientTransactionHandler, android.app.ActivityThread$ActivityClientRecord, android.app.servertransaction.PendingTransactionActions) (ActivityResultItem.java:78) at void android.app.servertransaction.ActivityTransactionItem.execute(android.app.ClientTransactionHandler, android.app.servertransaction.PendingTransactionActions) (ActivityTransactionItem.java:63) at void android.app.servertransaction.TransactionExecutor.executeNonLifecycleItem(android.app.servertransaction.ClientTransaction, android.app.servertransaction.ClientTransactionItem, boolean) (TransactionExecutor.java:133) at void android.app.servertransaction.TransactionExecutor.executeTransactionItems(android.app.servertransaction.ClientTransaction) (TransactionExecutor.java:103) at void android.app.servertransaction.TransactionExecutor.execute(android.app.servertransaction.ClientTransaction) (TransactionExecutor.java:80) 2025-10-29 18:34:29.426 22268-22268 cent.yolov5ncnn com.tencent.yolov5ncnn I at void android.app.ActivityThread$H.handleMessage(android.os.Message) (ActivityThread.java:2823) at void android.os.Handler.dispatchMessage(android.os.Message) (Handler.java:110) at boolean android.os.Looper.loopOnce(android.os.Looper, long, int) (Looper.java:248) at void android.os.Looper.loop() (Looper.java:338) at void android.app.ActivityThread.main(java.lang.String[]) (ActivityThread.java:9067) at java.lang.Object java.lang.reflect.Method.invoke(java.lang.Object, java.lang.Object[]) (Method.java:-2) at void com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run() (RuntimeInit.java:593) at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:932) 2025-10-29 18:34:29.426 22268-22268 AndroidRuntime com.tencent.yolov5ncnn D Shutting down VM 2025-10-29 18:34:29.428 22268-22268 AndroidRuntime com.tencent.yolov5ncnn E FATAL EXCEPTION: main Process: com.tencent.yolov5ncnn, PID: 22268 java.lang.NoClassDefFoundError: org.bytedeco.ffmpeg.global.avutil at java.lang.Class.classForName(Native Method) at java.lang.Class.forName(Class.java:597) at org.bytedeco.javacpp.Loader.load(Loader.java:1289) at org.bytedeco.javacpp.Loader.load(Loader.java:1234) at org.bytedeco.javacpp.Loader.load(Loader.java:1210) at org.bytedeco.ffmpeg.avformat.Read_packet_Pointer_BytePointer_int.<clinit>(Read_packet_Pointer_BytePointer_int.java:45) at org.bytedeco.javacv.FFmpegFrameGrabber.<clinit>(FFmpegFrameGrabber.java:372) at com.tencent.yolov5ncnn.MainActivity.decodeVideo(MainActivity.java:298) at com.tencent.yolov5ncnn.MainActivity.onActivityResult(MainActivity.java:228) at android.app.Activity.onActivityResult(Activity.java:7626) at android.app.Activity.internalDispatchActivityResult(Activity.java:9546) at android.app.Activity.dispatchActivityResult(Activity.java:9523) at android.app.ActivityThread.deliverResults(ActivityThread.java:6173) at android.app.ActivityThread.handleSendResult(ActivityThread.java:6223) at android.app.servertransaction.ActivityResultItem.execute(ActivityResultItem.java:78) at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:63) at android.app.servertransaction.TransactionExecutor.executeNonLifecycleItem(TransactionExecutor.java:133) at android.app.servertransaction.TransactionExecutor.executeTransactionItems(TransactionExecutor.java:103) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:80) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2823) at android.os.Handler.dispatchMessage(Handler.java:110) at android.os.Looper.loopOnce(Looper.java:248) at android.os.Looper.loop(Looper.java:338) at android.app.ActivityThread.main(ActivityThread.java:9067) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:593) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:932) Caused by: java.lang.UnsatisfiedLinkError: dlopen failed: library "libjniavutil.so" not found at java.lang.Runtime.loadLibrary0(Runtime.java:1090) at java.lang.Runtime.loadLibrary0(Runtime.java:1012) at java.lang.System.loadLibrary(System.java:1765) at org.bytedeco.javacpp.Loader.loadLibrary(Loader.java:1832) at org.bytedeco.javacpp.Loader.load(Loader.java:1423) at org.bytedeco.javacpp.Loader.load(Loader.java:1234) at org.bytedeco.javacpp.Loader.load(Loader.java:1210) at org.bytedeco.ffmpeg.global.avutil.<clinit>(avutil.java:14) at java.lang.Class.classForName(Native Method) at java.lang.Class.forName(Class.java:597) at org.bytedeco.javacpp.Loader.load(Loader.java:1289) at org.bytedeco.javacpp.Loader.load(Loader.java:1234) at org.bytedeco.javacpp.Loader.load(Loader.java:1226) at org.bytedeco.javacv.FFmpegFrameGrabber.tryLoad(FFmpegFrameGrabber.java:111) at org.bytedeco.javacv.FFmpegFrameGrabber.<clinit>(FFmpegFrameGrabber.java:137) ... 20 more Caused by: java.lang.UnsatisfiedLinkError: Could not find jniavutil in class, module, and library paths. at org.bytedeco.javacpp.Loader.loadLibrary(Loader.java:1799) ... 31 more
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