# HDF5 error on 0.6.4

**URL:** <https://discourse.julialang.org/t/hdf5-error-on-0-6-4/14319>\
**Category:** Data\
**Created:** [August 30, 2018, 2:10pm UTC](https://discourse.julialang.org/t/hdf5-error-on-0-6-4/14319 "2018-08-30T14:10:50Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![gideonsimpson](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/gideonsimpson/32/1928_2.png) [@gideonsimpson](https://discourse.julialang.org/u/gideonsimpson)\
**Post date:** [August 30, 2018, 2:10pm UTC](https://discourse.julialang.org/t/hdf5-error-on-0-6-4/14319/1 "2018-08-30T14:10:50Z")

</div>

I’ve been trying to convert some data form `.jld` to `.jld2` and when reading in one of my files, I encountered the following error:

```julia
julia> load("/Users/gideonsimpson/filename1.jld")
HDF5-DIAG: Error detected in HDF5 (1.10.2) thread 0:
  #000: H5F.c line 511 in H5Fopen(): unable to open file
    major: File accessibilty
    minor: Unable to open file
  #001: H5Fint.c line 1604 in H5F_open(): unable to read superblock
    major: File accessibilty
    minor: Read failed
  #002: H5Fsuper.c line 630 in H5F__super_read(): truncated file: eof = 871199488, sblock->base_addr = 512, stored_eof = 2640011026
    major: File accessibilty
    minor: File has been truncated
ERROR: Error opening file /Users/gideonsimpson/filename1.jld
Stacktrace:
 [1] h5f_open(::String, ::UInt16, ::Int64) at /Users/gideonsimpson/.julia/v0.6/HDF5/src/HDF5.jl:2264
 [2] #jldopen#9(::Bool, ::Bool, ::Bool, ::Function, ::String, ::Bool, ::Bool, ::Bool, ::Bool, ::Bool) at /Users/gideonsimpson/.julia/v0.6/JLD/src/JLD.jl:204
 [3] (::JLD.#kw##jldopen)(::Array{Any,1}, ::JLD.#jldopen, ::String, ::Bool, ::Bool, ::Bool, ::Bool, ::Bool) at ./<missing>:0
 [4] #jldopen#10(::Bool, ::Bool, ::Bool, ::Function, ::String, ::String) at /Users/gideonsimpson/.julia/v0.6/JLD/src/JLD.jl:231
 [5] jldopen(::String, ::String) at /Users/gideonsimpson/.julia/v0.6/JLD/src/JLD.jl:231
 [6] #jldopen#11(::Array{Any,1}, ::Function, ::JLD.##37#39, ::String, ::Vararg{String,N} where N) at /Users/gideonsimpson/.julia/v0.6/JLD/src/JLD.jl:241
 [7] load(::FileIO.File{FileIO.DataFormat{:JLD}}) at /Users/gideonsimpson/.julia/v0.6/JLD/src/JLD.jl:1234
 [8] #load#13(::Array{Any,1}, ::Function, ::String) at /Users/gideonsimpson/.julia/v0.6/FileIO/src/loadsave.jl:113
 [9] load(::String) at /Users/gideonsimpson/.julia/v0.6/FileIO/src/loadsave.jl:113

```