解决平台apk签名错误:no conscrypt_openjdk_jni in java.library.path

当遇到Android签名错误'no conscrypt_openjdk_jni in java.library.path'时,解决方案包括:将platform.x509.pem、platform.pk8和signapk.jar文件放在同一目录,根据系统类型(Linux或macOS)拷贝libconscrypt_openjdk_jni库,然后在指定目录执行签名命令,如java -Djava.library.path=. -jar signapk.jar ...
错误如图所示
解决方法:将以下所有文件放入同一个文件夹命名为sign
1、在Android系统源码中的\build\target\product\security目录下找到 platform.x509.pem 和platform.pk8两个文件;

2、在out/host/Linux-x86/framework目录下找到signapk.jar文件

3、找到 libconscrypt_openjdk_jni库
若是Linux系统
拷贝prebuilts/sdk/tools/linux/lib64/libconscrypt_openjdk_jni.so
若是mac系统
拷贝prebuilts/sdk/tools/darwin/lib64/libconscrypt_openjdk_jni.dylib

4、需要进行系统签名的app.apk

5、进入sign目录执行如下命令即可完成签名:
java -Djava.library.path=. -jar signapk.jar platform.x509.pem platform.pk8 app.apk app_sign.apk

***************
例:
【此做法在linux系统里才有效】lantiancheng@ubuntu1:~/code/sign_apk$ java -Djava.library.path=. -jar signapk.jar platform.x509.pem platform.pk8 reboot.apk reboot_sign.apk
分析命令报错 guoyh@:~/workspace/work_T0_8321_git/8321_git/alps_mssi_a14/out_sys/host/linux-x86/framework(U08781_NF196UF10_QP_14671)$ java -jar signapk.jar platform.x509.pem platform.pk8 app-release.apk new.apk Exception in thread "main" java.lang.UnsatisfiedLinkError: no conscrypt_openjdk_jni-linux-x86_64 in java.library.path: [/usr/java/packages/lib, /usr/lib/x86_64-linux-gnu/jni, /lib/x86_64-linux-gnu, /usr/lib/x86_64-linux-gnu, /usr/lib/jni, /lib, /usr/lib] at java.base/java.lang.ClassLoader.loadLibrary(ClassLoader.java:2673) at java.base/java.lang.Runtime.loadLibrary0(Runtime.java:830) at java.base/java.lang.System.loadLibrary(System.java:1873) at org.conscrypt.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:54) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.conscrypt.NativeLibraryLoader$1.run(NativeLibraryLoader.java:297) at org.conscrypt.NativeLibraryLoader$1.run(NativeLibraryLoader.java:289) at java.base/java.security.AccessController.doPrivileged(Native Method) at org.conscrypt.NativeLibraryLoader.loadLibraryFromHelperClassloader(NativeLibraryLoader.java:289) at org.conscrypt.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:262) at org.conscrypt.NativeLibraryLoader.load(NativeLibraryLoader.java:162) at org.conscrypt.NativeLibraryLoader.loadFirstAvailable(NativeLibraryLoader.java:106) at org.conscrypt.NativeCryptoJni.init(NativeCryptoJni.java:50) at org.conscrypt.NativeCrypto.<clinit>(NativeCrypto.java:64) at org.conscrypt.OpenSSLProvider.<init>(OpenSSLProvider.java:61) at org.conscrypt.OpenSSLProvider.<init>(OpenSSLProvider.java:54) at org.conscrypt.OpenSSLProvider.<init>(OpenSSLProvider.java:49) at com.android.signapk.SignApk.main(SignApk.java:1083) Suppressed: java.lang.UnsatisfiedLinkError: no conscrypt_openjdk_jni-linux-x86_64 in java.library.path: [/usr/java/packages/lib, /usr/lib/x86_64-linux-gnu/jni, /lib/x86_64-linux-gnu, /usr/lib/x86_64-linux-gnu, /usr/lib/jni, /lib, /usr/lib] at java.base/java.lang.ClassLoader.loadLibrary(ClassLoader.java:2673) at java.base/java.lang.Runtime.loadLibrary0(Runtime.java:830) at java.base/java.lang.System.loadLibrary(System.java:1873) at org.conscrypt.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:54) at org.conscrypt.NativeLibraryLoader.loadLibraryFromCurrentClassloader(NativeLibraryLoader.java:318) at org.conscrypt.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:273) ... 8 more Suppressed: java.lang.UnsatisfiedLinkError: no conscrypt_openjdk_jni in java.library.path: [/usr/java/packages/lib, /usr/lib/x86_64-linux-gnu/jni, /lib/x86_64-linux-gnu, /usr/lib/x86_64-linux-gnu, /usr/lib/jni, /lib, /usr/lib] ... 21 more Suppressed: java.lang.UnsatisfiedLinkError: no conscrypt_openjdk_jni in java.library.path: [/usr/java/packages/lib, /usr/lib/x86_64-linux-gnu/jni, /lib/x86_64-linux-gnu, /usr/lib/x86_64-linux-gnu, /usr/lib/jni, /lib, /usr/lib] at java.base/java.lang.ClassLoader.loadLibrary(ClassLoader.java:2673) at java.base/java.lang.Runtime.loadLibrary0(Runtime.java:830) at java.base/java.lang.System.loadLibrary(System.java:1873) at org.conscrypt.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:54) at org.conscrypt.NativeLibraryLoader.loadLibraryFromCurrentClassloader(NativeLibraryLoader.java:318) at org.conscrypt.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:273) ... 8 more Suppressed: java.lang.UnsatisfiedLinkError: no conscrypt in java.library.path: [/usr/java/packages/lib, /usr/lib/x86_64-linux-gnu/jni, /lib/x86_64-linux-gnu, /usr/lib/x86_64-linux-gnu, /usr/lib/jni, /lib, /usr/lib] ... 21 more Suppressed: java.lang.UnsatisfiedLinkError: no conscrypt in java.library.path: [/usr/java/packages/lib, /usr/lib/x86_64-linux-gnu/jni, /lib/x86_64-linux-gnu, /usr/lib/x86_64-linux-gnu, /usr/lib/jni, /lib, /usr/lib] at java.base/java.lang.ClassLoader.loadLibrary(ClassLoader.java:2673) at java.base/java.lang.Runtime.loadLibrary0(Runtime.java:830) at java.base/java.lang.System.loadLibrary(System.java:1873) at org.conscrypt.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:54) at org.conscrypt.NativeLibraryLoader.loadLibraryFromCurrentClassloader(NativeLibraryLoader.java:318) at org.conscrypt.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:273)
08-12
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