Hey Deepak,

As mentioned in a great number of threads in this forum, if you encounter 
the need to post technical issues and support requests, these should be 
made at the Public Issue Tracker 
<https://code.google.com/p/google-cloud-platform/issues/list> or 
StackOverflow <http://stackoverflow.com>. This forum is meant for general 
discussion of the platform and services, which might be more along the 
lines of a thread saying "*What are some ways that people have used java 
serialization in the context of App Engine? Do you store serialized objects 
in Memcache? Or just primitives like Strings?*" (and even still, this isn't 
a perfect example since it's a sort of abstract way to pose a question, but 
at any rate, would not be off-topic by any means).

With that said, I'm happy to offer these initial thoughts which could help 
point you toward a solution:

* You should post the full stack trace when you get an error

* You should indicate whether the issue is recurring or happened only once

* You should explain the history of the error (has it always worked until 
now? Does a specific file, request, etc. trigger the error?)

If you reply here, I'll be happy to help assist more. Just know that 
ultimately, technical questions like this are better for Stack Overflow not 
only because we define this forum differently, but also because there are 
far more people there who can help you than have ever visited this forum, 
in all likelihood.

Best wishes,

Nick
Cloud Platform Community Support

On Sunday, March 13, 2016 at 12:59:59 AM UTC-5, Deepak Singh wrote:
>
>
> Facing business impact - 
>
> Code was working fine for last 2 years. No change in code but issue 
> persists. Does app engine change anything ?
>
> Sending ---
> response.setContentType("application/x-java-serialized-object");
> response.setHeader("Content-Encoding", "gzip");
> GZIPOutputStream gos = new GZIPOutputStream(response.getOutputStream());
> ObjectOutputStream oos = new ObjectOutputStream(gos);
> oos.writeObject(rs);
> gos.finish();
> oos.flush();
> oos.close();
>
>
> Reading ---
>
> GZIPInputStream gi = new GZIPInputStream(new 
> ByteArrayInputStream(res.getContent()));
> ObjectInputStream ois = new ObjectInputStream(gi);
>
>
> Exception -
> java.io.StreamCorruptedException: invalid stream header: 1F8B0800
> at red color line
>
> .
>
> Pls help gae java team.
>
>
>
> On Sat, Mar 12, 2016 at 11:49 PM, Deepak Singh <deepaksingh...@gmail.com> 
> wrote:
>
>> Dear App engine team,
>>
>> For last couple of days, we are facing serialization issue. Our app does 
>> not add 'GZIP' header to response and thus we are getting the exception as 
>> below
>>
>>
>> java.io.StreamCorruptedException: invalid stream header: 1F8B0800
>>
>>
>> App id:     pdstechi
>>
>> Pls resolve the same.
>>
>> The issue happens most frequently but not always.
>>
>>
>
>
> -- 
> Deepak Singh
>

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