Haijun,

Did do a 'make clean' or (even better) 'make distclean' before recompiling your code? Make is supposed to determine that the source files are newer than the object files and build all the object files that depend on those source files and so on, but it's possible that the dependency tree broke down somewhere.

I would recommend deleting your entire HDF5 source directory, unzipping HDF again, applying the patch, and the going through the configure and make process again.

Prentice

On 07/27/2016 08:24 AM, Dana Robinson wrote:

Hi Haijun,

If you are still getting a flock error, I'd be suspicious that you aren't linking to the patched HDF5 library. The source patch completely removes flock so you shouldn't be seeing file locking errors.

Dana Robinson

Software Engineer

The HDF Group

*From:*Hdf-forum [mailto:[email protected]] *On Behalf Of *???
*Sent:* Wednesday, July 27, 2016 2:16 AM
*To:* HDF Users Discussion List <[email protected]>
*Subject:* Re: [Hdf-forum] Error detected in HDF5 (1.10.0) thread 0: /home/hdftest/snapshots-hdf5_1_10_alpha/current/src

    Hi Dana,

    Thanks for your response.

    I've tried with your method to patch and compile
    hdf5-1.10.0-patch1 source code. Patch and compile have no error.
    Unfortunately when run my code the error still exist. And error
    information is the same as before.

    What should I do? Please help me.

    Thank you again for your effort!

    Haijun Yu


At 2016-07-26 13:47:39, "Dana Robinson" <[email protected] <mailto:[email protected]>> wrote:

    Hi,

    It looks like flock() is not implemented on your filesystem, which
    is causing the create call to fail. flock() file locking is used
    by the HDF5 1.10.0 to help enforce single-writer/multiple-readers
    (SWMR) semantics, but is not necessary for correct operation of
    the library. A fix for this problem should be available in HDF5
    1.10.1, but in the meantime you can apply a source patch found here:

    https://www.hdfgroup.org/HDF5/release/obtainsrc5110.html#conf

    under "Patch to Disable File Locking" at the bottom of the page.

    Cheers,

    Dana Robinson

    Software Engineer

    The HDF Group

    *From:*Hdf-forum [mailto:[email protected]
    <mailto:[email protected]>] *On Behalf Of *???
    *Sent:* Tuesday, July 26, 2016 1:35 AM
    *To:* [email protected]
    <mailto:[email protected]>
    *Subject:* [Hdf-forum] Error detected in HDF5 (1.10.0) thread 0:
    /home/hdftest/snapshots-hdf5_1_10_alpha/current/src

    Hi,

    I have met an obscure failure, and not find a good solution for
    two days. Could you help me? Thanks!

    (Using: hdf5-1.10.0-patch1-linux-centos6-x86_64-gcc447-shared.tar.gz)

    (Environment: redhat6.4-Intel-X64-g++4.4.7)

    The error information:

    HDF5-DIAG: Error detected in HDF5 (1.10.0) thread 0:

    #000: /home/hdftest/snapshots-hdf5_1_10_alpha/current/src/H5F.c
    line 491 in H5Fcreate(): unable to create file

      major: File accessibilty

      minor: Unable to open file

    #001: /home/hdftest/snapshots-hdf5_1_10_alpha/current/src/H5Fint.c
    line 1168 in H5F_open(): unable to lock the file or initialize
    file structure

      major: File accessibilty

      minor: Unable to open file

    #002: /home/hdftest/snapshots-hdf5_1_10_alpha/current/src/H5FD.c
    line 1821 in H5FD_lock(): driver lock request failed

      major: Virtual File Layer

      minor: Can't update object

    #003:
    /home/hdftest/snapshots-hdf5_1_10_alpha/current/src/H5FDsec2.c
    line 939 in H5FD_sec2_lock(): unable to flock file, errno = 38,
    error message = 'Function not implemented'

      major: File accessibilty

      minor: Bad file ID accessed

    HDF5-DIAG: Error detected in HDF5 (1.10.0) thread 0:

    #000: /home/hdftest/snapshots-hdf5_1_10_alpha/current/src/H5F.c
    line 749 in H5Fclose(): not a file ID

      major: Invalid arguments to routine

      minor: Inappropriate type

    compile no error: g++ -c packageHdf5.cpp -I ../latest/include -L
    ../latest/lib -lhdf5 -lhdf5_cpp

    link no error: g++ -o packageHdf5Run packageHdf5.o -I
    ../latest/include -L ../latest/lib -lhdf5 -lhdf5_cpp

    run error: ./packageHdf5Run    (error information as above)

    My code:

    #include <stdio.h>

    #include <iostream>

    #include <string>

    #include "H5Cpp.h"

    #include <H5File.h>

    #include "hdf5.h"

    #ifndef H5_NO_NAMESPACE

    using namespace H5;

    #endif

    using namespace std;

    int main(int argc, char* argv[])

    {

    hid_t file_id =
    H5Fcreate("/home/tg2hpps/tg2hpps_main/src/packageHdf5/dsetddd.h5",
    H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);

    H5Fclose(file_id);

    }

    Thanks!



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