Java 使用云存储的GAE flexible中出现错误502
我已经使用GAE Flexible创建了一个应用程序。我可以毫无问题地部署和使用该应用程序。然后,我使用JSON将上传文件添加到Google云存储中,并在localhost中正常工作。我部署它时没有任何错误,但部署完成后,我尝试浏览我的应用程序时,我看到以下错误: 我的应用程序非常简单,没有很多请求,所以我不需要退避。 在控制台的日志中,我看到以下错误:Java 使用云存储的GAE flexible中出现错误502,java,google-app-engine,google-cloud-storage,app-engine-flexible,Java,Google App Engine,Google Cloud Storage,App Engine Flexible,我已经使用GAE Flexible创建了一个应用程序。我可以毫无问题地部署和使用该应用程序。然后,我使用JSON将上传文件添加到Google云存储中,并在localhost中正常工作。我部署它时没有任何错误,但部署完成后,我尝试浏览我的应用程序时,我看到以下错误: 我的应用程序非常简单,没有很多请求,所以我不需要退避。 在控制台的日志中,我看到以下错误: [error] 32#32: *9771 connect() failed (113: No route to host) while con
[error] 32#32: *9771 connect() failed (113: No route to host) while connecting to upstream, client: 130.211.3.171, server: , request: "GET /_ah/health HTTP/1.1", upstream: "http://172.18.0.2:8080/_ah/health", host: "10.128.0.2"
下面是我在云存储中放置图像的课程:
@SuppressWarnings("serial")
@WebServlet(name = "upload", value = "/upload")
@MultipartConfig()
public class UploadServlet extends HttpServlet {
private static final Logger logger = LoggerFactory.getLogger(UploadServlet.class);
private static final String BUCKET_NAME ="myBUCKET_NAME";// System.getenv("BUCKET_NAME");
private static Storage storage = null;
@Override
public void init() {
try {
logger.debug("bucket name: " + BUCKET_NAME );
InputStream is = getClass().getResourceAsStream("/Shelfcheck-9faaa7cbc5a5.json");
storage = StorageOptions.newBuilder()
.setCredentials(ServiceAccountCredentials.fromStream(is))
.build()
.getService();
logger.debug("set credential correctly!" );
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// Storage storage_service = StorageOptions.defaultInstance().service();
// Iterator<Bucket> bucketIterator = storage_service.list().iterateAll();
// while (bucketIterator.hasNext()) {
// System.out.println(bucketIterator.next());
// }
// storage = StorageOptions.getDefaultInstance().getService();
}
@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException,
ServletException {
logger.debug("Start uploading the files...");
final Part filePart = req.getPart("file");
final String fileName = filePart.getSubmittedFileName();
// Modify access list to allow all users with link to read file
List<Acl> acls = new ArrayList<>();
acls.add(Acl.of(Acl.User.ofAllUsers(), Acl.Role.READER));
// the inputstream is closed by default, so we don't need to close it here
Blob blob =
storage.create(
BlobInfo.newBuilder(BUCKET_NAME, fileName).setAcl(acls).build(),
filePart.getInputStream());
// return the public download link
logger.debug(blob.getMediaLink());
resp.getWriter().print(blob.getMediaLink());
logger.debug(resp.toString());
logger.debug(blob.getMediaLink());
}
}
@SuppressWarnings(“串行”)
@WebServlet(name=“upload”,value=“/upload”)
@MultipartConfig()
公共类UploadServlet扩展了HttpServlet{
私有静态最终记录器Logger=LoggerFactory.getLogger(UploadServlet.class);
私有静态最终字符串BUCKET_NAME=“myBUCKET_NAME”;//System.getenv(“BUCKET_NAME”);
私有静态存储=null;
@凌驾
公共void init(){
试一试{
logger.debug(“bucket name:+bucket\u name”);
InputStream=getClass().getResourceAsStream(“/Shelfcheck-9faaa7cbc5a5.json”);
storage=StorageOptions.newBuilder()
.setCredentials(ServiceAccountCredentials.fromStream(is))
.build()
.getService();
debug(“正确设置凭据!”);
}catch(filenotfounde异常){
//TODO自动生成的捕捉块
e、 printStackTrace();
}捕获(IOE异常){
//TODO自动生成的捕捉块
e、 printStackTrace();
}
//存储服务=StorageOptions.defaultInstance().service();
//迭代器bucketIterator=storage_service.list().iterateAll();
//while(bucketIterator.hasNext()){
//System.out.println(bucketIterator.next());
// }
//storage=StorageOptions.getDefaultInstance().getService();
}
@凌驾
public void doPost(HttpServletRequest-req、HttpServletResponse-resp)引发IOException,
ServletException{
debug(“开始上传文件…”);
最终部件filePart=req.getPart(“文件”);
最终字符串文件名=filePart.getSubmittedFileName();
//修改访问列表以允许所有具有链接的用户读取文件
列表ACL=new ArrayList();
add(Acl.of(Acl.User.ofAllUsers(),Acl.Role.READER));
//inputstream在默认情况下是关闭的,所以我们不需要在这里关闭它
一团一团=
存储。创建(
BlobInfo.newBuilder(BUCKET_名称,文件名).setAcl(acls.build(),
getInputStream());
//返回公共下载链接
debug(blob.getMediaLink());
resp.getWriter()打印(blob.getMediaLink());
debug(resp.toString());
debug(blob.getMediaLink());
}
}
有人知道我如何解决这个问题吗?
谢谢检查gae板中的调试,您将获得更多信息我已添加了从控制台日志中发现的错误!知道吗?你在用FTP吗?你有代理吗?没有,我不使用任何FTP或代理。我使用com.google.cloud.storage.storage在云存储中创建元素。我已经用我的代码更新了帖子。你能检查一下应用程序的日志,看看部署后你的健康检查是否通过了吗?此外,您是否有自定义健康检查,即您是否在应用程序中处理了/_ah/健康路径?
@SuppressWarnings("serial")
@WebServlet(name = "upload", value = "/upload")
@MultipartConfig()
public class UploadServlet extends HttpServlet {
private static final Logger logger = LoggerFactory.getLogger(UploadServlet.class);
private static final String BUCKET_NAME ="myBUCKET_NAME";// System.getenv("BUCKET_NAME");
private static Storage storage = null;
@Override
public void init() {
try {
logger.debug("bucket name: " + BUCKET_NAME );
InputStream is = getClass().getResourceAsStream("/Shelfcheck-9faaa7cbc5a5.json");
storage = StorageOptions.newBuilder()
.setCredentials(ServiceAccountCredentials.fromStream(is))
.build()
.getService();
logger.debug("set credential correctly!" );
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// Storage storage_service = StorageOptions.defaultInstance().service();
// Iterator<Bucket> bucketIterator = storage_service.list().iterateAll();
// while (bucketIterator.hasNext()) {
// System.out.println(bucketIterator.next());
// }
// storage = StorageOptions.getDefaultInstance().getService();
}
@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException,
ServletException {
logger.debug("Start uploading the files...");
final Part filePart = req.getPart("file");
final String fileName = filePart.getSubmittedFileName();
// Modify access list to allow all users with link to read file
List<Acl> acls = new ArrayList<>();
acls.add(Acl.of(Acl.User.ofAllUsers(), Acl.Role.READER));
// the inputstream is closed by default, so we don't need to close it here
Blob blob =
storage.create(
BlobInfo.newBuilder(BUCKET_NAME, fileName).setAcl(acls).build(),
filePart.getInputStream());
// return the public download link
logger.debug(blob.getMediaLink());
resp.getWriter().print(blob.getMediaLink());
logger.debug(resp.toString());
logger.debug(blob.getMediaLink());
}
}