相关疑难解决方法(0)

使用Java:

我有一个byte[]代表文件.

如何将其写入文件(即.C:\myfile.pdf)

我知道它已经完成了InputStream,但我似乎无法解决它.

它在HTTP上运行良好,但是当我尝试使用HTTPS源时,它会抛出以下异常:

10-12 13:22:11.169: WARN/System.err(332): javax.net.ssl.SSLHandshakeException: java.security.cert.CertPathValidatorException: Trust anchor for certification path not found.
10-12 13:22:11.179: WARN/System.err(332):     at org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl.startHandshake(OpenSSLSocketImpl.java:477)
10-12 13:22:11.179: WARN/System.err(332):     at org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl.startHandshake(OpenSSLSocketImpl.java:328)
10-12 13:22:11.179: WARN/System.err(332):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection.setupSecureSocket(HttpConnection.java:185)
10-12 13:22:11.179: WARN/System.err(332):     at org.apache.harmony.luni.internal.net.www.protocol.https.HttpsURLConnectionImpl$HttpsEngine.makeSslConnection(HttpsURLConnectionImpl.java:433)
10-12 13:22:11.189: WARN/System.err(332):     at org.apache.harmony.luni.internal.net.www.protocol.https.HttpsURLConnectionImpl$HttpsEngine.makeConnection(HttpsURLConnectionImpl.java:378)
10-12 13:22:11.189: WARN/System.err(332):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:205)
10-12 13:22:11.189: WARN/System.err(332):     at org.apache.harmony.luni.internal.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:152)
10-12 13:22:11.189: WARN/System.err(332):     at org.jsoup.helper.HttpConnection$Response.execute(HttpConnection.java:377)
10-12 13:22:11.189: WARN/System.err(332):     at org.jsoup.helper.HttpConnection$Response.execute(HttpConnection.java:364)
10-12 13:22:11.189: WARN/System.err(332):     at org.jsoup.helper.HttpConnection.execute(HttpConnection.java:143)

这是相关的代码:

try {
    doc = Jsoup.connect("https url here").get();
} catch (IOException e) {
    Log.e("sys","coudnt get the html"); …