Weird, and weirder.

Submitted by Kelvin Chuah on Thu, 09/12/2019 - 19:38

When I'm trying to execute myrobotlab.jar and connect my Arduino Mega after accessing the Arduino services in the runtime inside mrl (COM4), it exit automatically, I mean, I can't even connect to the Arduino ! Is my way wrong or...?

Weird rest position and Bad Magic Number? ›
GroG's picture

Did you send a no worky

Submitted by GroG on Thu, 09/12/2019 - 19:54.

Did you send a no worky ? 

http://myrobotlab.org/content/helpful-myrobotlab-tips-and-tricks-0#noWorky

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Kelvin Chuah's picture

Definitely

Submitted by Kelvin Chuah on Thu, 09/12/2019 - 21:31.

Yes. A no worky is sent.

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GroG's picture

It looks like your first

Submitted by GroG on Fri, 09/13/2019 - 05:35.

It looks like your first error has to do with serialization.
I'd recommend copying your myrobotlab.jar to a new directory, and trying again.

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Kelvin Chuah's picture

It just, can't.

Submitted by Kelvin Chuah on Fri, 09/13/2019 - 17:23.

Hi GroG, but too bad, it doesn't seems to have any changes to me. I noticed a few lines stating in the .log as below :

 

08:15:25.666 [main] INFO c.m.s.Runtime [Runtime.java:1810] ============== args end ==============
08:15:25.666 [main] INFO c.m.s.Runtime [Runtime.java:1812] ============== env begin ==============
08:15:25.667 [main] INFO c.m.s.Runtime [Runtime.java:1823] PATH not defined
08:15:25.667 [main] INFO c.m.s.Runtime [Runtime.java:1826] JAVA_HOME=C:\Program Files\Java\jdk1.6.0_45\bin
08:15:25.668 [main] INFO c.m.s.Runtime [Runtime.java:1830] ============== env end ==============
 
 
Is this possible the reason/s why the connection failed?
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GroG's picture

I can tell you those

Submitted by GroG on Fri, 09/13/2019 - 20:15.

I can tell you those environmental variables do not look right.

usually PATH=C:\Program Files\Java\jdk1.6.0_45\bin
JAVA_HOME is the directory above bin e.g.
JAVA_HOME=C:\Program Files\Java\jdk1.6.0_45

Why are your vars so strange?  
Did you have a problem installing Java ?

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Kelvin Chuah's picture

Thing goes here now.

Submitted by Kelvin Chuah on Fri, 09/13/2019 - 23:34.

I'd reset my JAVA_HOME now after delete previous and reinstalled the latest version of Java. So it goes like this now in the log :

 

14:27:38.057 [main] INFO c.m.s.Runtime [Runtime.java:1812] ============== env begin ==============
14:27:38.058 [main] INFO c.m.s.Runtime [Runtime.java:1821] PATH=C:\Program Files\Java\jre1.8.0_221\bin;C:\Python27
14:27:38.059 [main] INFO c.m.s.Runtime [Runtime.java:1826] JAVA_HOME=C:\Program Files\Java\jre1.8.0_221
14:27:38.059 [main] INFO c.m.s.Runtime [Runtime.java:1830] ============== env end ==============
 
 
Anyway, I failed to connect to the Arduino as usual, and now pop-up another error stating that : could not create service python Python. I reinstalled mrl but same things happened.
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Kelvin Chuah's picture

It works here.

Submitted by Kelvin Chuah on Sat, 09/14/2019 - 05:55.

I'll conclude what happened to me now. Basically, I can't access to any services through myrobotlab.jar (Even communicating with Arduino or access Python), the thing is, these function looks fine if I open it via SERVOCALIBRATION.bat. I don't know is this a bug or?

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