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 <jornfra...@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 >
