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01-04-2008, 10:46 PM
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 shared stdout question? Here is another situation that has only started occuring recently (within the last few weeks): We have an application that talks to requesters via stdio (STDIN/STDOUT). This part still works fine. However, there is one request where this daemon calls upon a child process for additional work The child process returns its output via STDOUT. This used to work fine for years. Now, while it appears the programs are still functioning as before, the output from the child process evaporates without any error message anywhere. Not on the screen, not in any logs we can find. Nothing. So, another generally stupid question: does anyone know of any permissions issues or limitations on on the stdout output of a child process? In my understanding the child process inherits the file handles of the parent so any output from the child is directed right along with that of the parent which is passed along to the requestor. Anyone have any thoughts or places one can look for why this has stopped working? Thanks again! Bob      |
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01-04-2008, 10:46 PM
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| Re: shared stdout question? When did you apply ML 4? Seems like something changed recently on the server. BV R.Mariotti(at)FinancialDataCorp.com (Bob Mariotti) wrote in message news:<07d1f6e8a7efd30be7179c9e250218b7@news.terane ws.com>... > Here is another situation that has only started occuring recently > (within the last few weeks): > > We have an application that talks to requesters via stdio > (STDIN/STDOUT). This part still works fine. However, there is one > request where this daemon calls upon a child process for additional > work The child process returns its output via STDOUT. This used to > work fine for years. Now, while it appears the programs are still > functioning as before, the output from the child process evaporates > without any error message anywhere. Not on the screen, not in any > logs we can find. Nothing. > > So, another generally stupid question: does anyone know of any > permissions issues or limitations on on the stdout output of a child > process? In my understanding the child process inherits the file > handles of the parent so any output from the child is directed right > along with that of the parent which is passed along to the requestor. > > Anyone have any thoughts or places one can look for why this has > stopped working? > > Thanks again! > > Bob |
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01-04-2008, 10:46 PM
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| Re: shared stdout question? On 14 Jun 2004 19:50:39 -0700, bverzal@komatsuna.com (Bill) wrote: >When did you apply ML 4? Seems like something changed recently on the server. > >BV > > >R.Mariotti(at)FinancialDataCorp.com (Bob Mariotti) wrote in message news:<07d1f6e8a7efd30be7179c9e250218b7@news.terane ws.com>... >> Here is another situation that has only started occuring recently >> (within the last few weeks): >> >> We have an application that talks to requesters via stdio >> (STDIN/STDOUT). This part still works fine. However, there is one >> request where this daemon calls upon a child process for additional >> work The child process returns its output via STDOUT. This used to >> work fine for years. Now, while it appears the programs are still >> functioning as before, the output from the child process evaporates >> without any error message anywhere. Not on the screen, not in any >> logs we can find. Nothing. >> >> So, another generally stupid question: does anyone know of any >> permissions issues or limitations on on the stdout output of a child >> process? In my understanding the child process inherits the file >> handles of the parent so any output from the child is directed right >> along with that of the parent which is passed along to the requestor. >> >> Anyone have any thoughts or places one can look for why this has >> stopped working? >> >> Thanks again! >> >> Bob ML04 has been on for a year or more. I agree that something must have changed but I'll be darned if I can tell. We have several other servers running the same software and configuration and they ALL work correctly. This is the only box like this. Frustrating!!! |
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