Call a dll via webutil works with Jinitator, but not with the Sun JRE
Friends,I'm trying to call a DLL for Oracle forms using webutil.
The example I use is from thread WEBUTIL_C_API demo form .
I followed all the instructions and when I use Jinitiator 1.3.1.28 as the JRE client, then this market. However, when I use Sun JRE 1.5 (1.5.0.19) or Sun 1.6 (1.6.0.14) it does not work and I see the following errors in the java console:
ERROR>WUL-928 [CApiFunctions.set_invokeoncespec()] Library apiwrap.dll not accessible, or does not contain function eaFindWindowIt appears the problem with the version of Java? Is there something special I need to do to call a dll using the latest versions of the JRE?
ERROR>WUL-910 [CApiFunctions.invokeCApi()] Invoking the function failed: java.lang.NullPointerException
Any help would be appreciated!
These webutil errors mean that the .dll file is not found in the JRE/bin directory... you have to force webutil to re - load the .dll file into this folder by deleting the webutil.properties file, and then try to run after it again and it should work.
This properties file are located in either the user/home directory or in the home folder of the JRE.
i.e.
C:\Program Files\Java\jre1.5.0_15\webutil.properties
This file will contain the .dll files that are downloaded to the client... such as configured in the webutil.cfg file.
Properties of #WebUtil file
#Mon Aug 10 10:52:10 MDT 2009
syslib.ffisamp.dll = 1.0
syslib.d2kwut60.dll = 1.0
syslib. JNIsharedstubs.dll = 1.0
syslib. Jacob.dll = 1.0
syslib.apiwrap.dll = 1.0
Tags: Oracle Development
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