Can t load IA 32-bit dll on a AMD 64-bit platform

Question

I am trying to use SVMLight from Java  using the JNI wrapper on this page     static       System loadLibrary  lib JNI SVM-light-6 01 lib svmlight          I get the following error          lib JNI SVM-light-6 01 lib svmlight dll  Can t load IA 32-bit  dll   on a AMD 64-bit platform   Can I solve this by recompiling the  dll for 64 bit  How would I go about doing this  Is there some other workaround I can use  SVMLight makes the C source code available

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I had a problem when run red5 tomcat  on Windows x64 that previous worked under Windows x32  got next error    INFO pool-15-thread-1 com home launcher CommandLauncher - Exception in thread  main  java lang UnsatisfiedLinkError  C       lib Data Samolet dll  Can t find dependent libraries INFO pool-15-thread-1 com home launcher CommandLauncher - at java lang ClassLoader NativeLibrary load Native Method    Problem solved when I installed Java x32 version and set next    Environment variables    User variables for Home   JAVA HOME     C  Program Files  x86  Java jdk 1 6 0 45   System variables   Path at the beginning     C  Program Files Java jdk 1 8 0 60

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My windows laptop has both the clients 32  amp  64 bit I started facing all of sudden then I reordered the path variable like below   Before   C  app oracle64 product 12 1 0 client 1 bin  C  app oracle32 product 12 1 0 client 1 bin    After   C  app oracle32 product 12 1 0 client 1 bin  C  app oracle64 product 12 1 0 client 1 bin    started working    Hope this helps everyone

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Don t worry about you should just change  dll from x64 to x86  in the native library   for example - you might have selected this  C  opencv build java x64    instead you select this for native library C  opencv build java x86

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Had same issue in win64bit and JVM 64bit  Was solved by uploading dll to system32

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I had the same issue with a Java application using tibco dll originally intended to run on Win XP  To get it to work on Windows 7  I made the application point to 32-bit JRE  Waiting to see if there is another solution

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For your Native library location  use X64 over X86  At least this fixed problem I had

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Got this from - http   blog cedarsoft com 2010 11 setting-java-library-path-programmatically   If set the java library path  need to have the following lines in order to work   Field fieldSysPath  fieldSysPath   ClassLoader class getDeclaredField   sys paths     fieldSysPath setAccessible  true    fieldSysPath set  null  null

User · Answer

Yes  you ll have to recompile the DLL for 64-bit   Your only other option is to switch to a 32-bit JVM  or otherwise get some 32-bit process to load the DLL on your behalf and communicate with that process somehow

User · Answer

Just go to install download jdk x86  and it install in Program Files  x86  and set the jre path in your project  Thats it

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Go to  Project properties    Run    VM options  and put this address   -Djava library path  C  opencv build java x64

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Here is an answer for those who compile from the command line Command Prompt  It doesn t require changing your Path environment variable  it simply lets you use the 32-bit JVM for the program with the 32-bit DLL   For the compilation  it shouldn t matter which javac gets used - 32-bit or 64-bit     gt javac MyProgramWith32BitNativeLib java   For the actual execution of the program  it is important to specify the path to the 32-bit version of java exe  I ll post a code example for Windows  since that seems to be the OS used by the OP   Windows  Most likely  the code will be something like    gt  C  Program Files  x86  Java jre          bin java exe  MyProgramWith32BitNativeLib    The difference will be in the numbers after jre  To find which numbers you should use  enter    gt dir  C  Program Files  x86  Java     On my machine  the process is as follows  C  Users me MyProject gt dir  C  Program Files  x86  Java   Volume in drive C is Windows  Volume Serial Number is 0000-9999   Directory of C  Program Files  x86  Java  11 03 2016  09 07 PM     lt DIR gt             11 03 2016  09 07 PM     lt DIR gt              11 03 2016  09 07 PM     lt DIR gt           jre1 8 0 111                0 File s               0 bytes                3 Dir s   107 641 901 056 bytes free  C  Users me MyProject gt    So I know that my numbers are 1 8 0 111  and my command is  C  Users me MyProject gt  C  Program Files  x86  Java jre1 8 0 111 bin java exe  MyProgramWith32BitNativeLib

User · Answer

I had an issue related to this and was reading    Exception in thread  main  java lang UnsatisfiedLinkError  C  opencv build java x86 opencv java2413 dll  Can t load IA 32-bit  dll on a AMD 64-bit platform     and it took me an entire night to figure out   I solved my problem by copying the dll in C  opencv build java x64 to my system32 folder  I hope this will be of help to someone

User · Answer

Be sure you are setting PATH to Program Files  x86  not Program Files  That solved my problem

User · Answer

Short answer to first question  yes   Longer answer  maybe  it depends on whether the build process for SVMLight behaves itself on 64-bit windows   Final note  that call to System loadLibrary is silly  Either call System load with a full pathname or let it search java library path

[java] Can't load IA 32-bit .dll on a AMD 64-bit platform

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