Re: Assertion fails when calling java.lang.reflect.Method.invoke()

On Sun, Feb 20, 2005 at 06:29:16PM -0500, David Bélanger wrote:
> On Fri, Feb 18, 2005 at 11:55:51AM -0500, [email protected] wrote:
> > Hi all,
> > 
> > While developing a Java application that starts another Java application, I met a strange 
> > SableVM 1.1.9 behaviour. An assertion fails when I put wrong parameters into 
> > Method.invoke() call. The error in the StartAppHelper.run() function:
> >   mainMethod.invoke(null, this.parameters); // parameters is String[]
> > should be
> >   mainMethod.invoke(null, this.parameterList); // parameterList is Object[]
> > 
> > This happens only when enabling SableVM debugging features (SableVM 1.1.9 compiled with 
> > options --enable-debugging-features --disable-errors-on-warnings).
> > 
> > Here is the command to compile it:
> > jikes -g -bootclasspath ~{...}/sablevm/sablevm-classpath/ Bridge.java
> > 
> > Here is the command to launch it:
> > /svm119/bin/sablevm -Y --classpath={...} -p 
> > java.library.path={...}--property=sablevm.bridge.start --property=java.compiler=NONE Bridge
> > 
> > The output with the right code or erroneous code without debugging features:
> > >JAVA : get the property
> > >start org.eclipseguide.hello.HelloWorld
> > >JAVA : helper creation
> > >JAVA : helper setup
> > >JAVA : helper start
> > >Hello, World! greetings from Sablevm
> > >Hello, World! greetings from Sablevm
> > >Hello, World! greetings from Sablevm
> > 
> > The output with the erroneous code and debugging features:
> > >JAVA : get the property
> > >start org.eclipseguide.hello.HelloWorld
> > >JAVA : helper creation
> > >JAVA : helper setup
> > >JAVA : helper start
> > >sablevm: util1.c:318: _svmf_get_reference_array_element: Assertion `indx >= 0 && indx < 
> > array->size' failed.
> > >Abandon
> 
> Bug confirmed on SableVM/staging.
> Will look into it later today or tomorrow.
> 

Fixed in SableVM/staging, will get into SableVM 1.1.10.
Method.invoke was not checking number and types of arguments.

Thanks,
David


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David Bélanger
Web page:   http://www.cs.mcgill.ca/~dbelan2/
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