Question

我正在尝试在Android Java上克隆存储库，但在调用方法toPath()时出现错误。显然，File对象没有toPath()方法。

public void gitClone() throws GitAPIException {

    // File dir = new File(_ctx.getExternalFilesDir(null) + File.separator + "openshift_files");
    Bundle b2 = getIntent().getExtras();
    //File localPath = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).getAbsolutePath());
    final File localPath = new File(getExternalFilesDir(null) + File.separator + getCurrentApp().getName());

    Git.cloneRepository()
            .setURI(getUrlGit())
            .setDirectory(localPath)
            .setCredentialsProvider(new UsernamePasswordCredentialsProvider(b2.getString("OPEN_SHIFT_USER"), b2.getString("OPEN_SHIFT_PASSWORD")))
            .call();
    System.out.println("Success!");
}

这是堆栈跟踪

E/AndroidRuntime: FATAL EXCEPTION: AsyncTask #5
E/AndroidRuntime: Process: com.javier.openshift, PID: 22919
E/AndroidRuntime: java.lang.RuntimeException: An error occured while executing doInBackground()
E/AndroidRuntime:     at android.os.AsyncTask$3.done(AsyncTask.java:304)
E/AndroidRuntime:     at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355)
E/AndroidRuntime:     at java.util.concurrent.FutureTask.setException(FutureTask.java:222)
E/AndroidRuntime:     at java.util.concurrent.FutureTask.run(FutureTask.java:242)
E/AndroidRuntime:     at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
E/AndroidRuntime:     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
E/AndroidRuntime:     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
E/AndroidRuntime:     at java.lang.Thread.run(Thread.java:818)
E/AndroidRuntime:  Caused by: java.lang.NoSuchMethodError: No virtual method toPath()Ljava/nio/file/Path; in class Ljava/io/File; or its super classes (declaration of 'java.io.File' appears in /system/framework/core-libart.jar)
E/AndroidRuntime:     at org.eclipse.jgit.util.FileUtil.exists(FileUtil.java:149)
E/AndroidRuntime:     at org.eclipse.jgit.util.FS_POSIX.exists(FS_POSIX.java:275)
E/AndroidRuntime:     at org.eclipse.jgit.internal.storage.file.ObjectDirectory.exists(ObjectDirectory.java:193)
E/AndroidRuntime:     at org.eclipse.jgit.internal.storage.file.FileRepository.<init>(FileRepository.java:207)
E/AndroidRuntime:     at org.eclipse.jgit.lib.BaseRepositoryBuilder.build(BaseRepositoryBuilder.java:579)
E/AndroidRuntime:     at org.eclipse.jgit.api.InitCommand.call(InitCommand.java:113)
E/AndroidRuntime:     at org.eclipse.jgit.api.CloneCommand.init(CloneCommand.java:161)
E/AndroidRuntime:     at org.eclipse.jgit.api.CloneCommand.call(CloneCommand.java:132)
E/AndroidRuntime:     at com.javier.apps.AppsActivity.gitClone(AppsActivity.java:981)
E/AndroidRuntime:     at com.javier.apps.AppsActivity$AsyncTaskCloneRepository.doInBackground(AppsActivity.java:1002)
E/AndroidRuntime:     at com.javier.apps.AppsActivity$AsyncTaskCloneRepository.doInBackground(AppsActivity.java:985)
E/AndroidRuntime:     at android.os.AsyncTask$2.call(AsyncTask.java:292)
E/AndroidRuntime:     at java.util.concurrent.FutureTask.run(FutureTask.java:237)
E/AndroidRuntime:     at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231) 
E/AndroidRuntime:     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112) 
E/AndroidRuntime:     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587) 
E/AndroidRuntime:     at java.lang.Thread.run(Thread.java:818)

Answer 1

您使用的是最新版本的JGit。从JGit 4.0.0开始，最小的Java版本从Java 5升级到Java 7（see Eclipse documentation here）。 JGit正在使用Java 7 Path API，它不适用于您正在使用的JDK。

你应该降级到JGit 3.7.1（这是3.x行中最新的）。

Answer 2

即使使用Java 7，Android中也不能使用java.nio.file.Path以及JGit所依赖的其他nio类。更多细节在这里：

Android import java.nio.file.Files; cannot be resolved

所以@Tinaki的答案仍然是正确的，但原因不同。不幸的是，在Android上，我们被锁定到JGit 3.7.1，直到那些nio类可用，即使使用Java 7也是如此。

JGit错误 - ＆gt;引起：java.lang.NoSuchMethodError：没有虚拟方法toPath（）

2 个答案: