I am reading a ~900K XML response from a Tomcat 7.0.76 server, using
Spring RestTemplate and very very intermittently I'm getting a
MalformedChunkCodingException.[1]
"Unexpected content at the end of chunk".
I enabled httpclient 'wire' debugging in my client and left it running
all day and I finally got a bite:
[many things]
DEBUG org.apache.http.wire - << "datadatadata"
DEBUG org.apache.http.wire - << "[\r][\n]"
DEBUG org.apache.http.wire - << "1AB8[\r][\n]"
DEBUG org.apache.http.wire - << "datadatadata"
DEBUG org.apache.http.wire - << "[\r][\n]"
DEBUG org.apache.http.wire - << "B50[\r][\n]"
DEBUG org.apache.http.wire - << "datadatadata"
DEBUG org.apache.http.wire - << "3FC0[\r][\n]"
[exception]
That looks, to me, like the stream is missing the [\r][\n] between the
B50 chunk and the 3FC0 count.
I'm not clear on where the responsibilities lie in producing that
chunked output - Spring in my webapp, or Tomcat as my container?
Thanks for any guidance you can provide.
[1]
Caused by: org.apache.http.MalformedChunkCodingException: Unexpected content at
the end of chunk
at
org.apache.http.impl.io.ChunkedInputStream.getChunkSize(ChunkedInputStream.java:259)
at
org.apache.http.impl.io.ChunkedInputStream.nextChunk(ChunkedInputStream.java:227)
at
org.apache.http.impl.io.ChunkedInputStream.read(ChunkedInputStream.java:186)
at
org.apache.http.conn.EofSensorInputStream.read(EofSensorInputStream.java:137)
at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
at java.io.InputStreamReader.read(InputStreamReader.java:184)
at java.io.Reader.read(Reader.java:140)
at
org.springframework.util.StreamUtils.copyToString(StreamUtils.java:74)
at
org.springframework.http.converter.StringHttpMessageConverter.readInternal(StringHttpMessageConverter.java:85)
at
org.springframework.http.converter.StringHttpMessageConverter.readInternal(StringHttpMessageConverter.java:40)
at
org.springframework.http.converter.AbstractHttpMessageConverter.read(AbstractHttpMessageConverter.java:153)
at
org.springframework.web.client.HttpMessageConverterExtractor.extractData(HttpMessageConverterExtractor.java:103)
at
org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:724)
at
org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:709)
at
org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:527)
--
dave thorn
Hi, I'm from the Internet.
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