当我使用HttpClient时,为什么我得到意外结束的分块流?

时间:2013-02-25 21:14:04

标签: java apache-commons-httpclient

问题似乎只发生在我试图发布的“大”文件中。

我的代码如下所示:

PostMethod method = new PostMethod(url);

File input = new File(filePathname);
RequestEntity entity = new FileRequestEntity(input, "text/xml; charset=ISO-8859-1");

method.setRequestEntity(entity);
method.setRequestHeader("Content-Disposition", "attachment; filename=xyzzy")

HttpClient client = new HttpClient();
Credentials defaultcreds = new UsernamePasswordCredentials("userid", "pw");

client.getState().setCredentials(new AuthScope("hostname", port, AuthScope.ANY_REALM), defaultcreds);

 try {
    int statusCode = client.executeMethod(method);

    if (statusCode != HttpStatus.SC_OK) {
        throw new Exception("Method failed: " + method.getStatusLine());
    }

    // Read the response body.
    byte[] responseBody = method.getResponseBody();
    return new String(responseBody);
 }
 catch (HttpException e) {
    System.err.println("Fatal protocol violation: " + e.getMessage());
    throw e;

 }
 catch (IOException e) {
    System.err.println("Fatal transport error: " + e.getMessage());
    throw e;

 }
 finally {
     // Release the connection.
     method.releaseConnection();
 }

异常文本如下所示:

Fatal transport error: chunked stream ended unexpectedly
Exception in thread "main" java.io.IOException: chunked stream ended unexpectedly
    at org.apache.commons.httpclient.ChunkedInputStream.getChunkSizeFromInputStream(ChunkedInputStream.java:252)
    at org.apache.commons.httpclient.ChunkedInputStream.nextChunk(ChunkedInputStream.java:221)
    at org.apache.commons.httpclient.ChunkedInputStream.read(ChunkedInputStream.java:176)
    at java.io.FilterInputStream.read(FilterInputStream.java:127)
    at org.apache.commons.httpclient.AutoCloseInputStream.read(AutoCloseInputStream.java:108)
    at java.io.FilterInputStream.read(FilterInputStream.java:101)
    at org.apache.commons.httpclient.AutoCloseInputStream.read(AutoCloseInputStream.java:127)
    at org.apache.commons.httpclient.HttpMethodBase.getResponseBody(HttpMethodBase.java:690)

无论是使用getResponseBody()还是getResponseBodyAsStream(),我都会遇到类似的异常。

我不应该收回太多数据,但是我发布了超过200mb的数据。

2 个答案:

答案 0 :(得分:1)

我可以通过更改PostMethod的requestHeader中指定的文件名值的长度来解决这个问题。我在请求标头中包含了完整文件路径名的编码版本。通过反复试验,我发现我“发布”文件的成功或失败似乎取决于它所在的文件夹。长文件夹文件路径名不起作用,而短文件路径名虽然使用相同的文件,但却无效。所以我从请求标题中删除了路径名,只开始包含文件名,我不再看到问题了。

答案 1 :(得分:0)

可能很旧,可以节省一些时间..... 我在Server是Python且Clinet是Java的地方遇到了这个错误。

第一-

  

来自Java客户端的错误“通过http java.io.IOException发送数据时出错:在块末尾预期出现CRLF:79/82   java.io.IOException:块末尾应为CRLF:79/82“

第二-

  

来自Java Clinet的错误“通过http java.io.IOException发送数据时出错:分块流意外结束   java.io.IOException:分块的流意外结束“

通过更改分块流大小的确定响应,两种错误都得到解决

有问题的人-

HTTP/1.1 200 OK\r\nContent-Type: application/json\r\nTransfer-Encoding: chunked\r\nServer: Jetty(6.1.26)\r\n\r\nDE\r\n

解决--

HTTP/1.1 200 OK\r\nContent-Length: 20000\r\nContent-Type: application/json\r\nTransfer-Encoding: chunked\r\nServer: Jetty(6.1.26)\r\n\r\n229\r\n

注意= nDE替换为n229