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From Jörn Franke <jornfra...@gmail.com>
Subject Re: POI 4.0.0 issues with new commons-compress library "InputStream of class [..] is not implementing InputStreamStatistics"
Date Sat, 29 Sep 2018 23:14:36 GMT
Don't worry, I guess it was too late in the evening. I simply shade the
dependency to commons-compress and everything seems to work (and I still
can keep the POI integrated security mechanisms). Thanks btw. for 4.0.0

On Sat, Sep 29, 2018 at 11:54 PM Jörn Franke <jornfranke@gmail.com> wrote:

> Dear all,
> as part of the HadoopOffice library (
> https://github.com/zuinnote/hadoopoffice/wiki) we provide the
> functionality to read office documents, such as MS Excel, on Big Data
> platforms, such as Hadoop/Hive/Spark/Flink.
> I want to release a new version supporting POI 4.0.0, but I have one
> remaining blocking issue: The Big Data platforms use an old version of
> commons-compress (between 1.4.x and 1.9.x). This means I am always running
> into the exception in ZipArchiveThresholdInputStream "InputStream of class
> [..] is not implementing InputStreamStatistics" (
> https://svn.apache.org/viewvc/poi/trunk/src/ooxml/java/org/apache/poi/openxml4j/util/ZipArchiveThresholdInputStream.java?view=markup&pathrev=1832789
> ).
> Unfortunately, updating these platforms to the latest commons-compress is
> very intrusive and for many organizations not possible. I need now to find
> a workaround for this. Alternative classpath settings are not working very
> well and create another mess.
> Do you have any idea on how I can deal with this check?  Can I inject
> somehow InputStreamStatistics in my InputStream? Or can I somehow inject my
> own ZipArchiveInputStream?
> Alternatively, could Apache POI instead of using ZipArchiveInputStream
> create another class POIZipArchiveInputStream and let this custom class
> extend ArchiveInputStream and implement InputStreamStatistics? This would
> remove all my classpath issues with the Big Data platforms ....
> Thank you.
> Best regards

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