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16	16
17	17	== Download and install leJOS ==
18	18
19		-Download and extract the newest archives for your Operating System from [[Sourceforce>>url:http://sourceforge.net/projects/nxt.lejos.p/files/||shape="rect"]].
	19	+Download and extract the newest archives for your Operating System from [[Sourceforce>>url:http://sourceforge.net/projects/nxt.lejos.p/files/||shape="rect"]] (Linux/Mac) or use the Setup.exe (Windows).
20	20
21	21	The further installation is explained in detail at [[http:~~/~~/www.lejos.org/nxt/nxj/tutorial/Preliminaries/GettingStarted.htm>>url:http://www.lejos.org/nxt/nxj/tutorial/Preliminaries/GettingStarted.htm||shape="rect"]].
22	22
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110	110	To use the RConsole, **uncomment** the **RConsole** lines in the wrapper code template **Main.ftl**. Start the **nxjconsoleviewer** tool in the bin directory of your **leJOS installation**. Now, when **starting the application**, the brick tries to connect with the nxjconsoleviewer. **Press the //Connect//** button. If connected succesfully, RConsole.println(...) commands will be written to this window.
111	111
112	112	The **EV3 brick** has a similar feature. However it does not require any code changes. Just run the ev3console program in the bin directory of your leJOS installation from command line. The output of the brick will be printed to this command line.
	113	+
	114	+----
	115	+
	116	+== Problem Solving ==
	117	+
	118	+The following presents typical issues and how to solve them.
	119	+
	120	+|=(((
	121	+Issue
	122	+)))|=(((
	123	+Typical Error Messages
	124	+)))|=(((
	125	+Description
	126	+)))|=(((
	127	+Solution
	128	+)))
	129	+|(((
	130	+leJOS EV3 does not support Java 8
	131	+)))|(((
	132	+"java.lang.UnsupportedClassVersionError"
	133	+
	134	+"unsupported major.minor version"
	135	+)))|(((
	136	+You compile the sources in your project with Java 8 and upload them to the brick. However the lejos EV3 does not support Java 8
	137	+)))|(((
	138	+Go to the project properties and switch to Java 7 (Right Click on project > Properties > Java Compiler > Compiler compliance level)
	139	+)))
	140	+
	141	+
	142	+
	143	+----
	144	+
	145	+

Confluence.Code.ConfluencePageClass[0]

Id

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1		-14516266
	1	+14516273

URL

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1		-https://rtsys.informatik.uni-kiel.de/confluence//wiki/spaces/KIELER/pages/14516266/LEGO Mindstorms with leJOS and SCCharts
	1	+https://rtsys.informatik.uni-kiel.de/confluence//wiki/spaces/KIELER/pages/14516273/LEGO Mindstorms with leJOS and SCCharts