<html><head><style>body{font-family:Helvetica,Arial;font-size:16px}</style></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:16px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><div id="bloop_customfont" style="margin: 0px;">Hi David! </div><div id="bloop_customfont" style="margin: 0px;"><br></div><div id="bloop_customfont" style="margin: 0px;">thanks for the kind words! It’s really great to receive feedback like that! </div><div id="bloop_customfont" style="margin: 0px;"><br></div><div id="bloop_customfont" style="margin: 0px;">Can you please submit an issue about the unhelpful error message to the GitHub repo: <a href="http://github.com/oracle/graal/issues">github.com/oracle/graal/issues</a> maybe with a little bit more context. That is the best way to have them fixed!</div><div id="bloop_customfont" style="margin: 0px;"><br></div><div id="bloop_customfont" style="margin: 0px;">Thanks again, </div><div id="bloop_customfont" style="margin: 0px;">Oleg</div><div><br></div></div> <br> <div id="bloop_sign_1530872095707761920" class="bloop_sign"><div><br></div></div> <br><p class="airmail_on">On 6 July 2018 at 13:07:20, David Conrad (<a href="mailto:davidconrad@acm.org">davidconrad@acm.org</a>) wrote:</p> <blockquote type="cite" class="clean_bq"><span><div><div></div><div>Greetings!
<br>
<br>I just started using GraalVM and it's like magic. Well done!
<br>
<br>Unfortunately, I made a silly mistake. I wrote an N-Queens solver
<br>in C and a driver to call it in Javascript. But I forgot to convert the
<br>command line parameters from strings to numbers:
<br>
<br>> unknown:0
<br>> unknown
<br>> ^
<br>>
<br>> TypeError: INVOKE on foreign object failed due to: UnsupportedTypeException
<br>
<br>The error message here is a little less than totally helpful. I'm sure
<br>this is an area
<br>that's still under development, but including the actual type and
<br>expected type (or
<br>list of acceptable types) is obviously desirable.
<br>
<br>Despite that my early impression of GraalVM is extremely favorable and I want to
<br>commend everyone working on it for an amazing piece of engineering.
<br>
<br>Cheers,
<br>David Conrad
<br>
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