本文整理汇总了Java中org.apache.hadoop.hdfs.server.namenode.TransferFsImage.HttpGetFailedException类的典型用法代码示例。如果您正苦于以下问题:Java HttpGetFailedException类的具体用法?Java HttpGetFailedException怎么用?Java HttpGetFailedException使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
HttpGetFailedException类属于org.apache.hadoop.hdfs.server.namenode.TransferFsImage包,在下文中一共展示了HttpGetFailedException类的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getInputStream
import org.apache.hadoop.hdfs.server.namenode.TransferFsImage.HttpGetFailedException; //导入依赖的package包/类
@Override
public InputStream getInputStream() throws IOException {
return SecurityUtil.doAsCurrentUser(
new PrivilegedExceptionAction<InputStream>() {
@Override
public InputStream run() throws IOException {
HttpURLConnection connection;
try {
connection = (HttpURLConnection)
connectionFactory.openConnection(url, isSpnegoEnabled);
} catch (AuthenticationException e) {
throw new IOException(e);
}
if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) {
throw new HttpGetFailedException(
"Fetch of " + url +
" failed with status code " + connection.getResponseCode() +
"\nResponse message:\n" + connection.getResponseMessage(),
connection);
}
String contentLength = connection.getHeaderField(CONTENT_LENGTH);
if (contentLength != null) {
advertisedSize = Long.parseLong(contentLength);
if (advertisedSize <= 0) {
throw new IOException("Invalid " + CONTENT_LENGTH + " header: " +
contentLength);
}
} else {
throw new IOException(CONTENT_LENGTH + " header is not provided " +
"by the server when trying to fetch " + url);
}
return connection.getInputStream();
}
});
}
示例2: getInputStream
import org.apache.hadoop.hdfs.server.namenode.TransferFsImage.HttpGetFailedException; //导入依赖的package包/类
@Override
public InputStream getInputStream() throws IOException {
return SecurityUtil.doAsCurrentUser(
new PrivilegedExceptionAction<InputStream>() {
@Override
public InputStream run() throws IOException {
HttpURLConnection connection = (HttpURLConnection)
SecurityUtil.openSecureHttpConnection(url);
if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) {
throw new HttpGetFailedException(
"Fetch of " + url +
" failed with status code " + connection.getResponseCode() +
"\nResponse message:\n" + connection.getResponseMessage(),
connection);
}
String contentLength = connection.getHeaderField(CONTENT_LENGTH);
if (contentLength != null) {
advertisedSize = Long.parseLong(contentLength);
if (advertisedSize <= 0) {
throw new IOException("Invalid " + CONTENT_LENGTH + " header: " +
contentLength);
}
} else {
throw new IOException(CONTENT_LENGTH + " header is not provided " +
"by the server when trying to fetch " + url);
}
return connection.getInputStream();
}
});
}