Association Rule Tutorial Doesn't Work

Dear All,
I couldn't run Assocation Rules tutorial on my machine. I got the following error message
Error Message: An abnormal failure was encountered.
Exception Message: SHA1 digest error for oracle/dmt/jdm/task/apply/OraDataSetApplyTask.class
class java.lang.SecurityException
Stack Trace: java.lang.SecurityException: SHA1 digest error for oracle/dmt/jdm/task/apply/OraDataSetApplyTask.class
     at sun.security.util.ManifestEntryVerifier.verify(Unknown Source)
     at java.util.jar.JarVerifier.processEntry(Unknown Source)
     at java.util.jar.JarVerifier.update(Unknown Source)
     at java.util.jar.JarVerifier$VerifierStream.read(Unknown Source)
     at sun.misc.Resource.getBytes(Unknown Source)
     at java.net.URLClassLoader.defineClass(Unknown Source)
     at java.net.URLClassLoader.access$100(Unknown Source)
     at java.net.URLClassLoader$1.run(Unknown Source)
     at java.security.AccessController.doPrivileged(Native Method)
     at java.net.URLClassLoader.findClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClassInternal(Unknown Source)
     at oracle.dmt.jdm.task.OraBuildTaskFactory.create(OraBuildTaskFactory.java:71)
     at oracle.dmt.dm4j.wizard.director.minings.ModelBuildBuilder.getMiningTask(Unknown Source)
     at oracle.dmt.dm4j.wizard.director.minings.MiningBuilder.run(Unknown Source)
     at oracle.dmt.dm4j.browser.ProgressBar.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
Many thanks.
DataMiner

Hi Husnu,
Many thanks for your reply.
I'm now using Oracle 10g EE Data Mining. Following the same procedure, I have installed the package on two PCs. When running a data mining task, however, one of them always failed at the last stage: Bulid - Run - Failed - Error Message.
For DT
Error Message: An abnormal failure was encountered.
Exception Message: SHA1 digest error for oracle/dmt/jdm/task/apply/OraDataSetApplyTask.class
class java.lang.SecurityException
Stack Trace: java.lang.SecurityException: SHA1 digest error for oracle/dmt/jdm/task/apply/OraDataSetApplyTask.class
at sun.security.util.ManifestEntryVerifier.verify(Unknown Source)
at java.util.jar.JarVerifier.processEntry(Unknown Source)
at java.util.jar.JarVerifier.update(Unknown Source)
at java.util.jar.JarVerifier$VerifierStream.read(Unknown Source)
at sun.misc.Resource.getBytes(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at oracle.dmt.jdm.task.OraBuildTaskFactory.create(OraBuildTaskFactory.java:71)
at oracle.dmt.dm4j.wizard.director.minings.ModelBuildBuilder.getMiningTask(Unknown Source)
at oracle.dmt.dm4j.wizard.director.minings.MiningBuilder.run(Unknown Source)
at oracle.dmt.dm4j.browser.ProgressBar.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
For AR
Error Message: An abnormal failure was encountered.
Exception Message: SHA1 digest error for oracle/dmt/jdm/task/apply/OraDataSetApplyTask.class
class java.lang.SecurityException
Stack Trace: java.lang.SecurityException: SHA1 digest error for oracle/dmt/jdm/task/apply/OraDataSetApplyTask.class
at sun.security.util.ManifestEntryVerifier.verify(Unknown Source)
at java.util.jar.JarVerifier.processEntry(Unknown Source)
at java.util.jar.JarVerifier.update(Unknown Source)
at java.util.jar.JarVerifier$VerifierStream.read(Unknown Source)
at sun.misc.Resource.getBytes(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at oracle.dmt.jdm.task.OraBuildTaskFactory.create(OraBuildTaskFactory.java:71)
at oracle.dmt.dm4j.wizard.director.minings.ModelBuildBuilder.getMiningTask(Unknown Source)
at oracle.dmt.dm4j.wizard.director.minings.MiningBuilder.run(Unknown Source)
at oracle.dmt.dm4j.browser.ProgressBar.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Please help. Thank you again.
Regards
DataMiner

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