android 系统签名no conscrypt_openjdk_jni in java.library.path错误

本文介绍了如何处理在使用Android系统签名时遇到的'no conscrypt_openjdk_jni in java.library.path'错误。首先,需要准备platform.x509.pem、platform.pk8、signapk.jar和libconscrypt_openjdk_jni.so等文件。然后,在Linux环境下,通过指定java.library.path执行签名命令。如果遇到Linux下JDK环境问题,特别是缺少JDK 8,可以按照文中步骤安装openjdk-8-jdk,包括添加PPA源、更新并安装,最后切换到JDK 8环境。

1.获取系统签名

 把以下所有文件放入同一个文件夹

  • 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;

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

  • 找到 libconscrypt_openjdk_jni库

    prebuilts/sdk/tools/linux/lib64/libconscrypt_openjdk_jni.so

  • 需要进行系统签名的app_unsigned.apk 

2.在linux环境下,进入该文件夹目录执行以下命令即可完成签名即可

java -Djava.library.path=. -jar signapk.jar platform.x509.pem platform.pk8 app_unsigned.apk app_signed.apk

3.linux下可能出现问题,jdk环境不对,缺失jdk-8环境

java.lang.UnsupportedClassVersionError: *******: Unsupported major.minor version 52.0

4.编译安装jdk-8环境

$ sudo apt-get install openjdk-8-jdk
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package openjdk-8-jdk

    (1)解决办法:

         查看当前java环境

          $ update-java-alternatives -l

    java

    java-1.7.0-openjdk-amd64 1071 /usr/lib/jvm/java-1.7.0-openjdk-amd64

安装jdk-8

    $ sudo add-apt-repository ppa:openjdk-r/ppa

    $ sudo apt-get update

    $ sudo apt-get install openjdk-8-jdk

查看当前的jdk环境

    $ update-java-alternatives -l

    java-1.7.0-openjdk-amd64 1071 /usr/lib/jvm/java-1.7.0-openjdk-amd64
    java-1.8.0-openjdk-amd64 1069 /usr/lib/jvm/java-1.8.0-openjdk-amd64

         切换不同版本的jdk

$ sudo update-alternatives --config java
There are 2 choices for the alternative java (providing /usr/bin/java).

  Selection    Path                                            Priority   Status
------------------------------------------------------------
  0            /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java   1071      auto mode
  1            /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java   1071      manual mode
* 2            /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java   1069      manual mode

Press enter to keep the current choice[*], or type selection number:

$ sudo update-alternatives --config javac
$ sudo update-alternatives --config javap
$ sudo update-alternatives --config javadoc

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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