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Re: [xmlvm-users] Cannot start with trunk
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From: Sascha H. <sa...@gm...> - 2011-04-28 21:13:24
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Hi Hans,
On Thu, Apr 28, 2011 at 10:26 AM, hka...@go... <
hka...@go...> wrote:
> Hello Arno,
>
> currently I am again struggeling with xmlvm. I gived the xmlvm now the
> second try and I am falling again...
> My goal: I just want to get C/C++ code from Java.
>
> I cannot even get a simple example running.
> 1. I checked out trunk.
> 2. I created a test class, a pretty, pretty simple one
> Here my test class:
> package test;
>
> public class HelloWorld {
>
> public static void main(String[] args) {
> System.out.println("hello world");
> }
>
> }
>
> 3. I created a launch config
> Here my launch params:
> --in=${workspace_loc:xmlvm-test}/bin
> --out=${workspace_loc:xmlvm-test-cpp}/generated/posix/src --target=posix
> --app-name=xmlvm-test
>
> now I get:
> Exception in thread "main" java.lang.NullPointerException
> at
> org.xmlvm.proc.CompilationBundle.addResources(CompilationBundle.java:44)
> at
>
> org.xmlvm.proc.out.RecursiveResourceLoadingProcess.processPhase1(RecursiveResourceLoadingProcess.java:63)
> at
>
> org.xmlvm.proc.XmlvmProcessImpl.forwardOrProcessPhase1(XmlvmProcessImpl.java:209)
> at
>
> org.xmlvm.proc.XmlvmProcessImpl.forwardOrProcessPhase1(XmlvmProcessImpl.java:206)
> at
>
> org.xmlvm.proc.XmlvmProcessImpl.forwardOrProcessPhase1(XmlvmProcessImpl.java:206)
> at
>
> org.xmlvm.proc.XmlvmProcessImpl.forwardOrProcessPhase1(XmlvmProcessImpl.java:206)
> at
>
> org.xmlvm.proc.XmlvmProcessImpl.forwardOrProcessPhase1(XmlvmProcessImpl.java:206)
> at
>
> org.xmlvm.proc.XmlvmProcessImpl.forwardOrProcessPhase1(XmlvmProcessImpl.java:206)
> at org.xmlvm.proc.XmlvmProcessor.process(XmlvmProcessor.java:157)
> at org.xmlvm.proc.XmlvmProcessor.process(XmlvmProcessor.java:137)
> at org.xmlvm.Main.main(Main.java:53)
>
I am not sure why this is happening. The error basically tells me that a
loaded resources is null. I could get rid of the error message, but I think
there is another issue here. Can you pleaserun xmlvm using "--debug=all" and
send me the complete log? There might be a pointer earlier in the log that
might give more insight into what is going wrong here. This simple example
should certainly work.
>
> 4. okay try the c target
> here my launch params
> --in=${workspace_loc:xmlvm-test}/bin
> --out=${workspace_loc:xmlvm-test-cpp}/generated/posix/src --target=c
> --app-name=xmlvm-test
>
> 5. now I get
> [04/28/11 10:23:51.892] ERROR: Vtable for java.io.PrintStream not found!
I was able to reproduce this problem and we will take a look at it. Thanks
for finding!
>
> Can you imaging, that is really frustrating trying something and the
> simpliest things aren't running?
>
> Please provide simple examples AND a running launch config. I think this
> would do a easy kick start for users like me.
> And I can tell you I have mulitple years of experience in programming.
> But I have not the time to struggle around to get the simpliest things -
> from user view point - running. Currently I am evaluating, if xmlvm
> could be a possible "invest" for my team. But in that project state of
> xmlvm...
>
> Maybe it is a missing documentation, maybe it is the missing simple
> example or maybe both. But I am sure, if you just invest 30 min of your
> current effort in the place to get new users started, new users wouldn't
> turn around and giving up so fast.
>
> So hopefully the developers of this list would here my crying and try to
> fix the issues.
> And maybe you should freeze a running version by tagging/branching or
> providing a zip/tag.gz for the users.
>
> best regards,
> Hans
>
>
>
> On 04/07/2011 09:32 PM, Arno Puder wrote:
> > unfortunately the documentation is out of sync with the actual
> > implementation. The cpp target does not exist anymore. We are working on
> > adding a target for C (which is a subset of C++). If you select
> > --target=c, you will get portable C code. If you select --target=posix,
> > you get a ready to use Makefile plus all dependent classes.
> >
> > Arno
> >
> >
> > On 4/7/11 12:04 PM, hka...@go... wrote:
> >> Hello list,
> >>
> >> sorry new try (hopefully without html-tags).
> >>
> >> today I did my first steps with XMLVM, but I failed completely. I tried
> >> to run an crosscompile from java (class) to C++.
> >> So please help me, just only to start a simple Hello World cross
> compile!
> >>
> >> What I did:
> >> - I checked out the trunk
> >> - started eclipse
> >> - created a own project xmlvmDemoTests
> >> - create a test class in the project
> >> *package*com.dummy.xmlvm.demo;**
> >> * public**class*Test {
> >> *public**static**void*main(String[] args) {
> >> System./out/.println("hello world");
> >> }
> >> }
> >> - created a launch configuration with:
> >> project=xmlvm
> >> Main class=org.xmlvm.Main
> >> Program arguments=--debug=all
> >> --in=${project_loc:/xmlvmDemoTests}/bin/
> >> --out=${project_loc:/xmlvmDemoTests}/xmlvm-gen --target=cpp
> >>
> >> I started the launch config and now I get cpp is an unkown target??? But
> >> the documentation says: |cpp|: The input files are cross-compiled to
> C++.
> >>
> >> - okay I do not give up so easily, now I tried to crosscompile against
> >> XMLVMjvm. Changed launch configuration programm arguments to:
> >> Program arguments=--debug=all
> >> --in=${project_loc:/xmlvmDemoTests}/bin/
> >> --out=${project_loc:/xmlvmDemoTests}/xmlvm-gen --target=jvm
> >>
> >> Now I get: Could not create target process for target JVM. But the
> >> documentations says: jvm: The input files are cross-compiled to
> XMLVMJVM.
> >>
> >> - okay even now I do not give up easily, I tried to crosscompile against
> >> xmlvm. Changed launch configuration programm arguments to:
> >> Program arguments=--debug=all
> >> --in=${project_loc:/xmlvmDemoTests}/bin/
> >> --out=${project_loc:/xmlvmDemoTests}/xmlvm-gen --target=xmlvm
> >>
> >> Now I get the following console-output:
> >> [04/07/11 20:25:58.189] DEBUG: Instantiated:
> >> org.xmlvm.proc.in.InputProcess$ClassInputProcess
> >> [04/07/11 20:25:58.189] DEBUG: Instantiated:
> >> org.xmlvm.proc.in.InputProcess$ClassInputProcess for
> >>
> "C:\Projects\xmlvm\trunk\xmlvmDemoTests\bin\com\dummy\xmlvm\demo\Test.class"
> >> [04/07/11 20:25:58.189] DEBUG: Instantiated:
> >> org.xmlvm.proc.out.XmlvmOutputProcess
> >> [04/07/11 20:25:58.189] DEBUG: Instantiated:
> >> org.xmlvm.proc.out.RecursiveResourceLoadingProcess
> >> [04/07/11 20:25:58.204] DEBUG: Adding preprocess
> >> org.xmlvm.proc.out.RecursiveResourceLoadingProcess to process
> >> org.xmlvm.proc.out.XmlvmOutputProcess
> >> [04/07/11 20:25:58.236] DEBUG: UniversalFileCreator: Could not find
> >> either resource: (One-JAR resource: /redlist.txt / file system resource:
> >> lib/redlist.txt)
> >> [04/07/11 20:25:58.236] DEBUG: Instantiated:
> >> org.xmlvm.proc.out.DEXmlvmOutputProcess
> >> java.lang.reflect.InvocationTargetException
> >> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> >> Method)
> >> at
> >>
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
> >> at
> >>
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
> >> at
> java.lang.reflect.Constructor.newInstance(Constructor.java:513)
> >> at
> >>
> org.xmlvm.proc.XmlvmProcessImpl.createInputInstances(XmlvmProcessImpl.java:127)
> >> at
> >>
> org.xmlvm.proc.XmlvmProcessor.buildProcessingPipeline0(XmlvmProcessor.java:241)
> >> at
> >>
> org.xmlvm.proc.XmlvmProcessor.buildProcessingPipeline0(XmlvmProcessor.java:241)
> >> at
> >>
> org.xmlvm.proc.XmlvmProcessor.buildProcessingPipeline(XmlvmProcessor.java:217)
> >> at
> org.xmlvm.proc.XmlvmProcessor.process(XmlvmProcessor.java:152)
> >> at
> org.xmlvm.proc.XmlvmProcessor.process(XmlvmProcessor.java:137)
> >> at org.xmlvm.Main.main(Main.java:53)
> >> Caused by: java.lang.NullPointerException
> >> at
> >>
> org.xmlvm.proc.out.DEXmlvmOutputProcess.initializeRedList(DEXmlvmOutputProcess.java:461)
> >> at
> >>
> org.xmlvm.proc.out.DEXmlvmOutputProcess.<init>(DEXmlvmOutputProcess.java:264)
> >> at
> >>
> org.xmlvm.proc.out.DEXmlvmOutputProcess.<init>(DEXmlvmOutputProcess.java:238)
> >> ... 11 more
> >> [04/07/11 20:25:58.251] DEBUG: Instantiated:
> >> org.xmlvm.proc.out.ExeToXmlvmProcess
> >> [04/07/11 20:25:58.251] DEBUG: Adding preprocess
> >> org.xmlvm.proc.out.ExeToXmlvmProcess to process
> >> org.xmlvm.proc.out.RecursiveResourceLoadingProcess
> >> [04/07/11 20:25:58.251] DEBUG: Instantiated:
> >> org.xmlvm.proc.out.XmlvmToXmlvmProcess
> >> [04/07/11 20:25:58.251] DEBUG: Adding preprocess
> >> org.xmlvm.proc.out.XmlvmToXmlvmProcess to process
> >> org.xmlvm.proc.out.RecursiveResourceLoadingProcess
> >> java.lang.NoSuchMethodException:
> >>
> org.xmlvm.proc.in.InputProcess$ExeInputProcess.<init>(org.xmlvm.main.Arguments)
> >> at java.lang.Class.getConstructor0(Class.java:2706)
> >> at java.lang.Class.getConstructor(Class.java:1657)
> >> at
> >>
> org.xmlvm.proc.XmlvmProcessImpl.createInputInstances(XmlvmProcessImpl.java:127)
> >> at
> >>
> org.xmlvm.proc.XmlvmProcessor.buildProcessingPipeline0(XmlvmProcessor.java:241)
> >> at
> >>
> org.xmlvm.proc.XmlvmProcessor.buildProcessingPipeline0(XmlvmProcessor.java:241)
> >> at
> >>
> org.xmlvm.proc.XmlvmProcessor.buildProcessingPipeline0(XmlvmProcessor.java:241)
> >> at
> >>
> org.xmlvm.proc.XmlvmProcessor.buildProcessingPipeline(XmlvmProcessor.java:217)
> >> at
> org.xmlvm.proc.XmlvmProcessor.process(XmlvmProcessor.java:152)
> >> at
> org.xmlvm.proc.XmlvmProcessor.process(XmlvmProcessor.java:137)
> >> at org.xmlvm.Main.main(Main.java:53)
> >> java.lang.NoSuchMethodException:
> >>
> org.xmlvm.proc.in.InputProcess$XmlvmInputProcess.<init>(org.xmlvm.main.Arguments)
> >> at java.lang.Class.getConstructor0(Class.java:2706)
> >> at java.lang.Class.getConstructor(Class.java:1657)
> >> at
> >>
> org.xmlvm.proc.XmlvmProcessImpl.createInputInstances(XmlvmProcessImpl.java:127)
> >> at
> >>
> org.xmlvm.proc.XmlvmProcessor.buildProcessingPipeline0(XmlvmProcessor.java:241)
> >> at
> >>
> org.xmlvm.proc.XmlvmProcessor.buildProcessingPipeline0(XmlvmProcessor.java:241)
> >> at
> >>
> org.xmlvm.proc.XmlvmProcessor.buildProcessingPipeline0(XmlvmProcessor.java:241)
> >> at
> >>
> org.xmlvm.proc.XmlvmProcessor.buildProcessingPipeline(XmlvmProcessor.java:217)
> >> at
> org.xmlvm.proc.XmlvmProcessor.process(XmlvmProcessor.java:152)
> >> at
> org.xmlvm.proc.XmlvmProcessor.process(XmlvmProcessor.java:137)
> >> at org.xmlvm.Main.main(Main.java:53)
> >> [04/07/11 20:25:58.251] ERROR: There are still 1 processes left.
> >> [04/07/11 20:25:58.251] ERROR: Something went wrong during
> processing.
> >>
> >> So please help a new user to get started.
>
>
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