<div dir="auto">Not, it's the cast in X3DLoaderObject. Present in JDK 8, as proved by my Ubuntu deployment to JDK 8. I will fix readAllBytes when I get a chance, but there are other bugs in Java I used readAllBytes to replace. (Limit on a size of a Pattern match to a page). Overall the readAllBytes works well in Java 9, and I don't want to replace it with something buggier.<div dir="auto"><br></div><div dir="auto">John<br><div dir="auto"><br></div><div dir="auto">John</div></div></div><br><div class="gmail_quote"><div dir="ltr">On Fri, Jun 8, 2018, 1:39 AM Don Brutzman <<a href="mailto:brutzman@nps.edu" rel="noreferrer noreferrer noreferrer noreferrer" target="_blank">brutzman@nps.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Apologies John, not tracking you on this one. readAllBytes is in your code, not clear if you want me to replace a classpath separator with colon in documentation - or what.<br>
<br>
Please advise, TIA.<br>
<br>
On 6/7/2018 8:56 PM, John Carlson wrote:<br>
> Then hold at jdk 8. Doesn't mean you can't fix a bug that's unrelated to JDK 8.<br>
> <br>
> On Thu, Jun 7, 2018, 11:46 PM Don Brutzman <<a href="mailto:brutzman@nps.edu" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">brutzman@nps.edu</a> <mailto:<a href="mailto:brutzman@nps.edu" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">brutzman@nps.edu</a>>> wrote:<br>
> <br>
> Sorry but no, advancing a version in Java is a slippery slope if everything can't advance together. Am holding at JDK 8 until Netbeans (and thus X3D-Edit) gets upgraded to JDK 9 or 10.<br>
> <br>
> On 6/6/2018 4:07 PM, John Carlson wrote:<br>
> > Full script under OpenJDK 8, Ubuntu on Windows 10. Log attached. The readAllBytes issue will be fixed by Java 9. Is there a way to set your ant<br>
> > JDK to JDK 9 inside NetBeans? Wondering.<br>
> ><br>
> > John<br>
> ><br>
> > $ cd /mnt/c/x3d-code/<a href="http://www.web3d.org/x3d/stylesheets/java/" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">www.web3d.org/x3d/stylesheets/java/</a> <<a href="http://www.web3d.org/x3d/stylesheets/java/" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org/x3d/stylesheets/java/</a>><br>
> ><br>
> > $ javac -cp lib/javax.json-api-1.0.jar src/net/coderextreme/X3DJSONLD.java<br>
> ><br>
> > $ cp src/net/coderextreme/X3DJSONLD.class classes/net/coderextreme/<br>
> ><br>
> > # use ; instead of : in command prompt and git bash<br>
> ><br>
> > $ jjs -J-Djava.class.path=jars/X3DJSAIL.3.3.full.jar:classes nashorn/examples/Json.js<br>
> ><br>
> > $ diff -w nashorn/examples/HelloWorldProgramOutput.Java.x3d nashorn/examples/Json.x3d<br>
> ><br>
> > You should be able to duplicate the error with JDK 8 this way. Command prompt will differ slightly.<br>
> ><br>
> > John<br>
> ><br>
> > Sent from Mail <<a href="https://go.microsoft.com/fwlink/?LinkId=550986" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">https://go.microsoft.com/fwlink/?LinkId=550986</a>> for Windows 10<br>
> ><br>
> > *From: *John Carlson <mailto:<a href="mailto:yottzumm@gmail.com" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">yottzumm@gmail.com</a> <mailto:<a href="mailto:yottzumm@gmail.com" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">yottzumm@gmail.com</a>>><br>
> > *Sent: *Wednesday, June 6, 2018 6:06 PM<br>
> > *To: *Don Brutzman <mailto:<a href="mailto:brutzman@nps.edu" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">brutzman@nps.edu</a> <mailto:<a href="mailto:brutzman@nps.edu" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">brutzman@nps.edu</a>>><br>
> > *Cc: *<a href="mailto:x3d-public@web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">x3d-public@web3d.org</a> <mailto:<a href="mailto:x3d-public@web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">x3d-public@web3d.org</a>> <mailto:<a href="mailto:x3d-public@web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">x3d-public@web3d.org</a> <mailto:<a href="mailto:x3d-public@web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">x3d-public@web3d.org</a>>><br>
> > *Subject: *RE: X3DJSAIL, X3dToJava.xslt and DOMX3DLoaderObjecttesting:anotherClassCastException<br>
> ><br>
> > Under OpenJDK 8 on Ubuntu under windows, the jjs command is:<br>
> ><br>
> > $ jjs -J-Djava.class.path=jars/X3DJSAIL.3.3.full.jar:classes nashorn/examples/Json.js<br>
> ><br>
> > And the cd command is:<br>
> ><br>
> > $ cd /mnt/c/x3d-code/<a href="http://www.web3d.org/x3d/stylesheets/java/" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">www.web3d.org/x3d/stylesheets/java/</a> <<a href="http://www.web3d.org/x3d/stylesheets/java/" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org/x3d/stylesheets/java/</a>><br>
> ><br>
> > Sent from Mail <<a href="https://go.microsoft.com/fwlink/?LinkId=550986" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">https://go.microsoft.com/fwlink/?LinkId=550986</a>> for Windows 10<br>
> ><br>
> > *From: *John Carlson <mailto:<a href="mailto:yottzumm@gmail.com" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">yottzumm@gmail.com</a> <mailto:<a href="mailto:yottzumm@gmail.com" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">yottzumm@gmail.com</a>>><br>
> > *Sent: *Wednesday, June 6, 2018 5:37 PM<br>
> > *To: *Don Brutzman <mailto:<a href="mailto:brutzman@nps.edu" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">brutzman@nps.edu</a> <mailto:<a href="mailto:brutzman@nps.edu" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">brutzman@nps.edu</a>>><br>
> > *Cc: *<a href="mailto:x3d-public@web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">x3d-public@web3d.org</a> <mailto:<a href="mailto:x3d-public@web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">x3d-public@web3d.org</a>> <mailto:<a href="mailto:x3d-public@web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">x3d-public@web3d.org</a> <mailto:<a href="mailto:x3d-public@web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">x3d-public@web3d.org</a>>><br>
> > *Subject: *RE: X3DJSAIL, X3dToJava.xslt and DOM X3DLoaderObjecttesting:anotherClassCastException<br>
> ><br>
> > Try stepping through with these commands at command prompt or similar (you’ll have to use diff and cp from Ubuntu, now available on Windows or similar commands under DOS)<br>
> ><br>
> > $ cd /c/x3d-code/<a href="http://www.web3d.org/x3d/stylesheets/java/" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">www.web3d.org/x3d/stylesheets/java/</a> <<a href="http://www.web3d.org/x3d/stylesheets/java/" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org/x3d/stylesheets/java/</a>><br>
> ><br>
> > $ javac -cp lib/javax.json-api-1.0.jar src/net/coderextreme/X3DJSONLD.java<br>
> ><br>
> > $ cp src/net/coderextreme/X3DJSONLD.class classes/net/coderextreme/<br>
> ><br>
> > $ jjs -cp "jars/X3DJSAIL.3.3.full.jar;classes" nashorn/examples/Json.js # you may have to use the Java 8 way of specifying the classpath. See build.xml<br>
> ><br>
> > $ diff -w nashorn/examples/HelloWorldProgramOutput.Java.x3d nashorn/examples/Json.x3d<br>
> ><br>
> > 32a33,35<br>
> ><br>
> > > <meta name='translated' content='27 May 2018'/><br>
> ><br>
> > > <meta name='generator' content='X3dToJson.xslt, <a href="http://www.web3d.org/x3d/stylesheets/X3dToJson.html'/" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org/x3d/stylesheets/X3dToJson.html'/</a>><br>
> ><br>
> > > <meta name='reference' content='X3D JSON encoding: <a href="http://www.web3d.org/wiki/index.php/X3D_JSON_Encoding'/" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org/wiki/index.php/X3D_JSON_Encoding'/</a>><br>
> ><br>
> > 35,38c38<br>
> ><br>
> > < <ViewpointGroup description='Available viewpoints'><br>
> ><br>
> > < <Viewpoint DEF='DefaultView' description='Hello X3DJSAIL'/><br>
> ><br>
> > < <Viewpoint DEF='TopDownView' description='top-down view from above' orientation='1 0 0 -1.570796' position='0 100 0'/><br>
> ><br>
> > < </ViewpointGroup><br>
> ><br>
> > ---<br>
> ><br>
> > > <ViewpointGroup description='Available viewpoints'/><br>
> ><br>
> > You will see the missing Viewpoint’s (children of ViewpointGroup) as above. Also jjs will generate significant output.<br>
> ><br>
> > I can’t connect through svn, so I may be out of date.<br>
> ><br>
> > John<br>
> ><br>
> > Sent from Mail <<a href="https://go.microsoft.com/fwlink/?LinkId=550986" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">https://go.microsoft.com/fwlink/?LinkId=550986</a>> for Windows 10<br>
> ><br>
> > *From: *Don Brutzman <mailto:<a href="mailto:brutzman@nps.edu" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">brutzman@nps.edu</a> <mailto:<a href="mailto:brutzman@nps.edu" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">brutzman@nps.edu</a>>><br>
> > *Sent: *Wednesday, June 6, 2018 9:41 AM<br>
> > *To: *John Carlson <mailto:<a href="mailto:yottzumm@gmail.com" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">yottzumm@gmail.com</a> <mailto:<a href="mailto:yottzumm@gmail.com" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">yottzumm@gmail.com</a>>><br>
> > *Cc: *<a href="mailto:x3d-public@web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">x3d-public@web3d.org</a> <mailto:<a href="mailto:x3d-public@web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">x3d-public@web3d.org</a>> <mailto:<a href="mailto:x3d-public@web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">x3d-public@web3d.org</a> <mailto:<a href="mailto:x3d-public@web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">x3d-public@web3d.org</a>>><br>
> > *Subject: *Re: X3DJSAIL, X3dToJava.xslt and DOM X3DLoaderObject testing:anotherClassCastException<br>
> ><br>
> > 1. Hi John, finally getting back to this one.<br>
> ><br>
> > On 4/30/2018 3:15 PM, John Carlson wrote:<br>
> ><br>
> > > Previously reported problem, now assigned to the X3DLoaderObject, I believe.<br>
> ><br>
> > ><br>
> ><br>
> > > No Viewpoint children in X3D or JSON output.<br>
> ><br>
> > Not sure what that means? Viewpoint node typically does not have any children, except perhaps for a Metadata* node or an IS/connect.<br>
> ><br>
> > > Is a problem with X3DLoaderObject, looks like another class cast exception. X3DJSONLD was eliminated from the problem by printing out the DOM object, and verifying the Viewpoint objects were there. See x3d-code/<a href="http://www.web3d.org/x3d/stylesheets/java/nashorn/examples/Quotes.js" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">www.web3d.org/x3d/stylesheets/java/nashorn/examples/Quotes.js</a> <<a href="http://www.web3d.org/x3d/stylesheets/java/nashorn/examples/Quotes.js" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org/x3d/stylesheets/java/nashorn/examples/Quotes.js</a>>.<br>
> ><br>
> > ><br>
> ><br>
> > > Can be regenerated by running `ant test.nashorn` in x3d-code/<a href="http://www.web3d.org/x3d/stylesheets/java" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">www.web3d.org/x3d/stylesheets/java</a> <<a href="http://www.web3d.org/x3d/stylesheets/java" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org/x3d/stylesheets/java</a>><br>
> ><br>
> > ><br>
> ><br>
> > > See output in nashorn/examples/Json.{json,x3d}<br>
> ><br>
> > ><br>
> ><br>
> > > John<br>
> ><br>
> > OK have recently updated to Java JDK 1.8.0_172 and adjusted PATH to confirm jjs is running OK.<br>
> ><br>
> > Have also synchronized X3DJSAIL sudirectory nashorn/ and contents with subversion.<br>
> ><br>
> > I get the following outputs when running test.nashorn build target:<br>
> ><br>
> > ============================================================<br>
> ><br>
> > ant -f E:\\x3d-code\\<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">www.web3d.org</a> <<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org</a>>\\x3d\\stylesheets\\java test.nashorn<br>
> ><br>
> > test.nashorn:<br>
> ><br>
> > ===========================================<br>
> ><br>
> > ant nashorn/build.xml test.nashorn<br>
> ><br>
> > X3D Nashorn SAI Library.test.nashorn:<br>
> ><br>
> > Compile:<br>
> ><br>
> > Compiling 1 source file to E:\x3d-code\<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">www.web3d.org</a> <<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org</a>>\x3d\stylesheets\java\classes<br>
> ><br>
> > Compiling 1 source file to E:\x3d-code\<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">www.web3d.org</a> <<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org</a>>\x3d\stylesheets\java\classes<br>
> ><br>
> > Copy:<br>
> ><br>
> > Copying 1 file to E:\x3d-code\<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">www.web3d.org</a> <<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org</a>>\x3d\stylesheets\java\nashorn\examples<br>
> ><br>
> > Copying E:\x3d-code\<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">www.web3d.org</a> <<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org</a>>\x3d\stylesheets\java\examples\HelloWorldProgramOutput.x3d to E:\x3d-code\<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">www.web3d.org</a> <<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org</a>>\x3d\stylesheets\java\nashorn\examples\HelloWorldProgramOutput.x3d<br>
> ><br>
> > Copying 1 file to E:\x3d-code\<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">www.web3d.org</a> <<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org</a>>\x3d\stylesheets\java\nashorn\examples<br>
> ><br>
> > Copying E:\x3d-code\<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">www.web3d.org</a> <<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org</a>>\x3d\stylesheets\java\examples\HelloWorldProgramOutput.json to E:\x3d-code\<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">www.web3d.org</a> <<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org</a>>\x3d\stylesheets\java\nashorn\examples\HelloWorldProgramOutput.json<br>
> ><br>
> > Run:<br>
> ><br>
> > parameter: source file HelloWorldProgramOutput.x3d filesize 20956 bytes, parsed using Document Object Model (DOM) X3DLoader<br>
> ><br>
> > parameter: "-tojs" for conversion to X3DJSONLD JavaScript source<br>
> ><br>
> > parameter: "-toFile" "nashorn/examples/HelloWorldProgramOutput.Nashorn.js" for result file name root nashorn/examples/HelloWorldProgramOutput.Nashorn<br>
> ><br>
> > convert to JS JavaScript:<br>
> ><br>
> > Warning: toFileJavaScript() is overwriting prior file nashorn/examples/HelloWorldProgramOutput.Nashorn.js<br>
> ><br>
> > Script DEF=colorTypeConversionScript contains CDATA source-code text, copied as "#sourceText" using "strings" mode<br>
> ><br>
> > Script DEF=MaterialModulatorScript contains CDATA source-code text, copied as "#sourceText" using "strings" mode<br>
> ><br>
> > TypeError: input.readAllBytes is not a function<br>
> ><br>
> > Error: Cannot read file [E:\x3d-code\<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">www.web3d.org</a> <<a href="http://www.web3d.org" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://www.web3d.org</a>>\x3d\stylesheets\java\nashorn\node_modules\xmldom\package.json]:<br>
> ><br>
> > [Error] TODO problem handling local exception within CommandLine, exiting<br>
> ><br>
> > org.web3d.x3d.sai.X3DException: ScriptException when processing fileName nashorn\examples\HelloWorldProgramOutput.Nashorn.js.intermediate.js, unable to save result: javax.script.ScriptException: Error: Cannot load JSON file in nashorn/jvm-npm.js at line number 216 at column number 8<br>
> ><br>
> > at org.web3d.x3d.jsail.Core.X3DObject.toFileJavaScript(X3DObject.java:1662)<br>
> ><br>
> > at org.web3d.x3d.jsail.CommandLine.run(CommandLine.java:628)<br>
> ><br>
> > at org.web3d.x3d.jsail.CommandLine.main(CommandLine.java:163)<br>
> ><br>
> > parameter: source file HelloWorldProgramOutput.x3d filesize 20956 bytes, parsed using Document Object Model (DOM) X3DLoader<br>
> ><br>
> > parameter: "-toJSON" for conversion to JSON encoding<br>
> ><br>
> > parameter: "-toFile" "nashorn/examples/HelloWorldProgramOutput.Java.json" for result file name root nashorn/examples/HelloWorldProgramOutput.Java<br>
> ><br>
> > convert to JSON:<br>
> ><br>
> > Warning: toFileStylesheetConversion(X3dToJson.xslt) is overwriting prior file nashorn/examples/HelloWorldProgramOutput.Java.json<br>
> ><br>
> > Script DEF=colorTypeConversionScript contains CDATA source-code text, copied as "#sourceText" using "strings" mode<br>
> ><br>
> > Script DEF=MaterialModulatorScript contains CDATA source-code text, copied as "#sourceText" using "strings" mode<br>
> ><br>
> > file conversion successful: HelloWorldProgramOutput.Java.json (39749 bytes)<br>
> ><br>
> > parameter: source file HelloWorldProgramOutput.x3d filesize 20956 bytes, parsed using Document Object Model (DOM) X3DLoader<br>
> ><br>
> > parameter: "-toX3D" for conversion to X3D encoding<br>
> ><br>
> > parameter: "-toFile" "nashorn/examples/HelloWorldProgramOutput.Java.x3d" for result file name root nashorn/examples/HelloWorldProgramOutput.Java<br>
> ><br>
> > convert to X3D:<br>
> ><br>
> > Warning: toFileX3D() is overwriting prior file nashorn/examples/HelloWorldProgramOutput.Java.x3d<br>
> ><br>
> > file conversion successful: HelloWorldProgramOutput.Java.x3d (20956 bytes)<br>
> ><br>
> > ===========================================<br>
> ><br>
> > ============================================================<br>
> ><br>
> > As you can see, the exception is in nashorn/jvm-npm.js:<br>
> ><br>
> > TypeError: input.readAllBytes is not a function<br>
> ><br>
> > Header in that file indicates that you have modified it.<br>
> ><br>
> > Specific javascript code block of interest:<br>
> ><br>
> > function readFile (filename, core) {<br>
> ><br>
> > var input;<br>
> ><br>
> > try {<br>
> ><br>
> > if (core) {<br>
> ><br>
> > var classloader = java.lang.Thread.currentThread().getContextClassLoader();<br>
> ><br>
> > input = classloader.getResourceAsStream(filename);<br>
> ><br>
> > } else {<br>
> ><br>
> > input = new java.io.FileInputStream(filename);<br>
> ><br>
> > }<br>
> ><br>
> > return new java.lang.String(input.readAllBytes());<br>
> ><br>
> > } catch (e) {<br>
> ><br>
> > System.err.println(e);<br>
> ><br>
> > throw new ModuleError('Cannot read file [' + filename + ']: ', 'IO_ERROR', e);<br>
> ><br>
> > }<br>
> ><br>
> > }<br>
> ><br>
> > JDK 8 Javadoc for java.io.FileInputStream does not provide a "readAllBytes()" method. (Nor does JDK 1.9; however I am currently holding at 1.8 to stay compatible with Netbeans 8.)<br>
> ><br>
> > <a href="https://docs.oracle.com/javase/8/docs/api/java/io/FileInputStream.html" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">https://docs.oracle.com/javase/8/docs/api/java/io/FileInputStream.html</a><br>
> ><br>
> > So it looks like you need another method.<br>
> ><br>
> > A search for "java.io.FileInputStream readAllBytes" provides a number of hits. For example:<br>
> ><br>
> > File to byte[] in Java<br>
> ><br>
> > <a href="https://stackoverflow.com/questions/858980/file-to-byte-in-java" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">https://stackoverflow.com/questions/858980/file-to-byte-in-java</a><br>
> ><br>
> > 2. Continuing with your prior error console also appears fruitful:<br>
> ><br>
> > > [exec] [X3DLoaderObject error] Incorrectly handled object construction, current elementObject=ViewpointGroup (ViewpointGroup), child=Viewpoint, java.lang.ClassCastException: org.web3d.x3d.jsail.Navigation.ViewpointGroupObject cannot be cast to org.web3d.x3d.sai.Grouping.X3DGroupingNode<br>
> ><br>
> > ><br>
> ><br>
> > > [exec] java.lang.ClassCastException: org.web3d.x3d.jsail.Navigation.ViewpointGroupObject cannot be cast to org.web3d.x3d.sai.Grouping.X3DGroupingNode<br>
> ><br>
> > ><br>
> ><br>
> > > [exec] at org.web3d.x3d.jsail.X3DLoaderObject.toX3dObjectTree(X3DLoaderObject.java:1146)<br>
> ><br>
> > ><br>
> ><br>
> > > [exec] at org.web3d.x3d.jsail.X3DLoaderObject.toX3dObjectTree(X3DLoaderObject.java:542)<br>
> ><br>
> > ><br>
> ><br>
> > > [exec] at org.web3d.x3d.jsail.X3DLoaderObject.toX3dObjectTree(X3DLoaderObject.java:542)<br>
> ><br>
> > ><br>
> ><br>
> > > [exec] at org.web3d.x3d.jsail.X3DLoaderObject.toX3dObjectTree(X3DLoaderObject.java:430)<br>
> ><br>
> > ><br>
> ><br>
> > > [exec] at org.web3d.x3d.jsail.X3DLoaderObject.toX3dObjectTree(X3DLoaderObject.java:399)<br>
> ><br>
> > ><br>
> ><br>
> > > [exec] at jdk.scripting.nashorn.scripts/jdk.nashorn.internal.scripts.Script$Recompilation$372$Json$cu1$restOf.:program(nashorn/examples/Json.js:15)<br>
> ><br>
> > ><br>
> ><br>
> > > [exec] at jdk.scripting.nashorn/jdk.nashorn.internal.runtime.ScriptFunctionData.invoke(ScriptFunctionData.java:655)<br>
> ><br>
> > ><br>
> ><br>
> > > [exec] at jdk.scripting.nashorn/jdk.nashorn.internal.runtime.ScriptFunction.invoke(ScriptFunction.java:513)<br>
> ><br>
> > ><br>
> ><br>
> > > [exec] at jdk.scripting.nashorn/jdk.nashorn.internal.runtime.ScriptRuntime.apply(ScriptRuntime.java:527)<br>
> ><br>
> > ><br>
> ><br>
> > > [exec] at jdk.scripting.nashorn/jdk.nashorn.tools.Shell.apply(Shell.java:519)<br>
> ><br>
> > ><br>
> ><br>
> > > [exec] at jdk.scripting.nashorn/jdk.nashorn.tools.Shell.runScripts(Shell.java:448)<br>
> ><br>
> > ><br>
> ><br>
> > > [exec] at jdk.scripting.nashorn/jdk.nashorn.tools.Shell.run(Shell.java:186)<br>
> ><br>
> > ><br>
> ><br>
> > > [exec] at jdk.scripting.nashorn.shell/jdk.nashorn.tools.jjs.Main.main(Main.java:104)<br>
> ><br>
> > ><br>
> ><br>
> > > [exec] at jdk.scripting.nashorn.shell/jdk.nashorn.tools.jjs.Main.main(Main.java:80)<br>
> ><br>
> > Looks like it was trying to treat ViewpointGroup like a X3DGroupingNode - but it is not. ViewpointGroup is not a X3DGroupingNode node, and can only contain a Metadata* node, Viewpoint/OrthoViewpoint/GeoViewpoint and other ViewpointGroup nodes.<br>
> ><br>
> > This might have been fixed already as part of the many DOM loader improvements performed; not seeing that error in my console. Worth retesting if you can address the readAllBytes issue.<br>
> ><br>
> > I've added a warning to X3D tooltips to clarify that.<br>
> ><br>
> > Hope next round of improvement/testing can sort this one out fully.<br>
> ><br>
> > all the best, Don<br>
> ><br>
> > --<br>
> ><br>
> > Don Brutzman Naval Postgraduate School, Code USW/Br <a href="mailto:brutzman@nps.edu" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">brutzman@nps.edu</a> <mailto:<a href="mailto:brutzman@nps.edu" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">brutzman@nps.edu</a>><br>
> ><br>
> > Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149<br>
> ><br>
> > X3D graphics, virtual worlds, navy robotics <a href="http://faculty.nps.edu/brutzman" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://faculty.nps.edu/brutzman</a><br>
> ><br>
> <br>
> <br>
> all the best, Don<br>
> -- <br>
> Don Brutzman Naval Postgraduate School, Code USW/Br <a href="mailto:brutzman@nps.edu" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">brutzman@nps.edu</a> <mailto:<a href="mailto:brutzman@nps.edu" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">brutzman@nps.edu</a>><br>
> Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149<br>
> X3D graphics, virtual worlds, navy robotics <a href="http://faculty.nps.edu/brutzman" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://faculty.nps.edu/brutzman</a><br>
> <br>
<br>
<br>
all the best, Don<br>
-- <br>
Don Brutzman Naval Postgraduate School, Code USW/Br <a href="mailto:brutzman@nps.edu" rel="noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">brutzman@nps.edu</a><br>
Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149<br>
X3D graphics, virtual worlds, navy robotics <a href="http://faculty.nps.edu/brutzman" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">http://faculty.nps.edu/brutzman</a><br>
<br>
</blockquote></div>