ComFailException - Can't co-create object

[Carlos S. Zamudio]

Hi,
I'm having an interesting problem.  I can successfully call the GDAPI and perform a google search on my desktop. I find the DLL, I get the dialog asking confirmation of registration, etc. But only once. 

JGDQuery googleQuery = new JGDQuery("simple");
SearchKeyUtilities.googleDesktopQuery.setNum(MAX_HITS );
Results results = SearchKeyUtilities.googleDesktopQuery.execute();
...

When I call perform this in a loop, I get the following Jacob error:
com.jacob.com.ComFailException: Can't co-create object
    at com.jacob.com.Dispatch.createInstanceNative(Native Method)
    at com.jacob.com.Dispatch.<init>(Dispatch.java:101)
    at com.jacob.activeX.ActiveXComponent.<init>(ActiveXComponent.java:58)
    at jgd.comapi.QueryCOM.execute(Unknown Source)
    at jgd.comapi.QueryCOM.execute(Unknown Source)
    at jgd.JGDQuery.execute(Unknown Source)

I have found some discussion around this type of error in JACOB threads, but no clear suggestions.

Any suggestions?
Thanks,
Carlos S. Zamudio

[Carlos S. Zamudio]

Interesting. I discovered that JACOB doesn't seem to operate well in a multi-threaded application.  So, I solved this problem by making sure only one thread was performing a search at one time.