Hi Vishwas, There is a known issue in the Flink Jira project [1]. Is it possible that you have encountered the same problem?
[1]: https://issues.apache.org/jira/browse/FLINK-11402 Regards, Aleksey On Tue, Aug 27, 2019 at 8:03 AM Vishwas Siravara <vsirav...@gmail.com> wrote: > Hi Jörn, > I tried that. Here is my snippet : > > String[] loadedlibs = > getLoadedLibraries(Thread.currentThread().getContextClassLoader()); > if(!containsVibeSimpleLib(loadedlibs)) { > System.loadLibrary("vibesimplejava"); > } > > Now I get the exception Unexpected errorjava.lang.UnsatisfiedLinkError: > com.voltage.securedata.enterprise.ConstantsNative.DIGEST_MD5()I which means > that it could not find vibesimplejava in the loaded libs but I know that > the if was not executed because vibesimplejava was present in loadedlibs( > the control never went inside the if block. Any other suggestions? > > Thanks, > Vishwas > > > > > > > On Tue, Aug 27, 2019 at 12:25 AM Jörn Franke <jornfra...@gmail.com> wrote: > >> I don’t know Dylibs in detail, but can you call a static method where it >> checks if it has been already executed and if not then it loads the library >> (Singleton pattern)? >> >> Am 27.08.2019 um 06:39 schrieb Vishwas Siravara <vsirav...@gmail.com>: >> >> Hi guys, >> I have a flink application that loads a dylib like this >> >> System.loadLibrary("vibesimplejava"); >> >> >> The application runs fine , when I restart the job I get this exception : >> >> com.visa.aip.cryptolib.aipcyptoclient.EncryptionException: Unexpected >> errorjava.lang.UnsatisfiedLinkError: Native Library >> /usr/mware/SimpleAPI/voltage-simple-api-java-05.12.0000-Linux-x86_64-64b-r234867/lib/libvibesimplejava.so >> already loaded in another classloader >> >> This happens because the dylib has already been loaded once by the >> taskmanger, how can I mitigate this? It seems problematic if two >> applications are loading the same dylib. >> >> Thanks, >> Vishwas >> >>