Fatal Error #1
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I'm using Java and i'm trying to get XML document from some http link. Code I'm using is: URL url = new URL(link); HttpURLConnection connection = (HttpURLConnection)url.openConnection(); connection.setRequestMethod("GET"); connection.connect(); Document doc = null; CountInputStream in = new CountInputStream(url.openStream()); doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(in); Don't pay attention at CountInputStream, it's some special class acting like regular input stream. Using the code above, I sometimes got error Fatal Error :1:1: Content is not allowed in prolog.
1 Link Fatal Error Lnk1168
I assume that is has something to do with bad format of xml, but I have no idea how to fix it. java xml share|improve this question edited Jul 20 '12 at 11:18 posdef 3,24962466 asked Jul 20 '12 at 10:20 guest86 1,05952852 1 possible duplicate of Java parsing XML document gives "Content not allowed in prolog." error –Noel M Jul 20 '12 at 10:22 Well as i understood thread you're referring to is about reading xml from disk. In my case i don't have xml on the disk, i just have some string (link) and i got error before i got xml file... –guest86 Jul 20 '12 at 10:24 Can you give the URL in question? The most likely cause of this is a malformed response, so a look at that would be valuable. –MvG Jul 20 '12 at 10:42 It does not matter where XML file originates from, errors are still the same. "Content not allowed in prolog" refers to the fact that something else but not opening tag was found at the beginning of the file/stream. If it contains extra spaces just trim them, but generally this sort of error is not (programmatically) recoverable. –Germann Arlington Jul 20 '12
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Create new account Request new password Recent News Version 2.6.7 of OpenMx now available Version 2.5.2 of OpenMx now available Version 2.3.1 of OpenMx now available Advanced Genetic Epidemiology Statistical Workshop: October 26-30 http://openmx.psyc.virginia.edu/thread/4061 2015, in Richmond, VA New features in OpenMx v2.2 Concerning the Currently Available Versions of OpenMx Version 2.0.1 now available OpenMx version 2.0 is officially released! Third OpenMx 2.0 beta is released Second OpenMx 2.0 beta is released more Navigation Feed aggregator Home › Forums › OpenMx 2.0 Discussion NLOPT fatal error -1 Login or register to post comments 5 replies [Last post] Tue, 10/13/2015 - 21:07 carey fatal error Offline Joined: 10/19/2009 Am helping a grad student who got the error message: Error in runHelper(model, frontendStart, intervals, silent, suppressWarnings, : NLOPT fatal error -1 When I search on "NLOPT fatal error -1" on the site, the only thing I get is: Rev 4444 and /trunk/ Rev 4445 which just gives code for writing ""NLOPT fatal error -1." Anyway you can inform us mortals about what "NLOPT 1 link fatal fatal error -1" means? PS It would also be nice to give English outputs for "fatal error -2", -3, -4, etc. ‹ Age effect on the ACE model? Optimizer status code 6 (Mx status RED) in OpenMx v2.2.x › Top Login or register to post comments Printer-friendly version Send to friend Wed, 10/14/2015 - 11:02 #1 AdminRobK Offline Joined: 01/24/2014 Try again with box constraints or different optimizer AFAIK, "NLOPT fatal error -1" is thrown when SLSQP (which belongs to the NLOPT collection of numerical optimizers) prematurely terminates; in that regard, it is similar to NPSOL status code -1. As I've explained in another thread, assuming the model is identified, there are two things worth trying in order to resolve "NLOPT fatal error -1." One thing to try is to place lbounds and ubounds that allow for a wide range of feasible parameter values. The idea there is place generous, but finite, boundaries on free parameters to keep the optimizer from drifting into absurdly extreme values and fouling up. The other thing to try is to switch optimizers to NPSOL if available (or possibly even to CSOLNP). Switching to NPSOL is as simple as adding mxOption(NULL,"Default optimizer"