POOSL User Manual
Contents
1. 24 8 FAQ 8 1 Running or debugging a model gives validation errors but the IDE does not show them If the POOSL IDE reports no validation errors but running or debugging the model reports errors there might be a problem with the line endings of the files To solve this problem save the file with windows line endings This problem is often caused by Linux line endings 8 2 I see strange behavior when debugging multiple models simultaneously Debugging multiple models at the same time only works if the simulator port in both debug configurations is set to a different port To change the port of the debug configuration follow the steps in 4 2 6 This problem occurs when running multiple models on the same debug port under windows Linux does not allow binding of the same ports 8 3 My quick fix is not working Executing a quick fix supplied by the IDE sometimes results in no changes to the model This can be caused by other errors that are still present in the model elements the quick fix modifies Solve these errors before trying the quick fix 8 4 Internal null pointer exception when trying to run debug a model The following error may occur when you try to run or debug a model An internal error occurred during Launching poosl java lang NullPointerException It usually indicates that your version of the Java Runtime Environment JRE is too old Please check the minimal system requirements in section 1 1 252. Simulator Syntax Coloring gt Run Debug t Team gt Atend Xtext pea RestoreDefaults Apply OK Cancel Enable Disable sequence diagram messages 1 Start debugging a POOSL simulation 2 Click the Enable disable sequence diagram messages button in the toolbar of the sequence diagram view j amp BAAR O Enable Disable sequence diagram messages 3 Messages will appear as soon as the simulation makes a communication transition Clear the sequence diagram view 1 Click the Clear messages button in the toolbar of the sequence diagram view xb AE E Clear messages Lock the position of the diagram timeline 1 Click the Scroll lock button in the toolbar of the sequence diagram view ERIN S O Enable Disable scroll lock 20 Filtering instances and collapsing clusters 1 Click the Open settings button in the toolbar of the sequence diagram view amp IRE E Open settings 2 Allinstances are shown in a tree e Uncheck the instances that need to be filtered out Z Sequence diagram settings Uncheck instances to filter them out Check clusters to hide the containing instances Eil f networkInsta nce a applicationInstance 4 producerinstance 7 consumerinstance iw Only save filtered messages Select all instances Deselect all i e The filter will be saved in the launch configuration This enabl
3. Test 10001 B Mwe Launch 4 OSGi Framework fe PHP CLI Application H PHP Web Application a F POOS Simulation Simulator port is used to start a connection with Rotalumis in debug mode F fischer poosl When running multiple debug sessions use a different port for each run configuration Fay Remote Java Application For more information check the user manual Simulator port Filter matched 13 of 13 items 4 Click Apply to save the changes It is now possible to run this model alongside another model 22 6 Preferences It is possible in Eclipse to set preferences for the POOSL IDE 1 Goto Window gt Preferences and select POOSL from the Tree on the left of the screen 2 The options to set preferences for are a b Refactoring Default Eclipse options about refactoring Simulator Determine the logging level of the communication with the simulator This is only used for bug reporting See http poosl esi nl for more details Syntax Coloring Change the font size and color of comment sections keywords etc 23 7 Export Functionality 7 1 Exporting a model to Rotalumis xml In case it is desired to export the POOSL model in the XML format that is use by the simulator Rotalumis but one does not want to actually run a simulation through Eclipse perform these steps 1 In Eclipse right click on any poosl file 2 Click Generate Rotalumis XML to save the POOSL model in XML format for Rotalumis
4. good way to debug problems is by adding breakpoints to the code The POOSL IDE supports line breakpoints in process methods Debugging of data methods is not yet supported A breakpoint cannot be added on a statement of these types e Abort statement abort with e Interrupt statement interrupt with e Parallel statement par and rap e Select statement sel or les A breakpoint can however be set to the constituents of these statements Adding Removing breakpoints Adding a breakpoint can be done in 3 different ways 1 Double click the ruler in front of the line in the editor 2 Right click the ruler in front of the line and select Toggle Breakpoint 3 Use the shortcut Ctrl Shift B to set a breakpoint on the current line 18 If a breakpoint is set a blue dot appears in front of the line When there are multiple statements on one line the breakpoint will always be set to the first statement on that line Enable Disable breakpoints Breakpoints will be listed in the Breakpoints view that is visible in the bottom of the Edit Debug perspectives If the Breakpoints view is not visible then reset the perspective by right clicking the perspective in the upper right hand corner and selecting Reset E Console E Problems g Breakpoints s3 3 diie ge c S H H fra Jy 8 W fischer poosl line 158 The checkbox in front of a breakpoint can be used to enable or disable a breakpoint so that the brea
5. use and installation of the POOSL IDE which is a plug in for Eclipse It relies on the Xtext framework http www eclipse org Xtext and the POOSL simulator Rotalumis of the Eindhoven University of Technology http www es ele tue n poosl This manual describes all features that are needed to create and debug POOSL models This document does not cover an explanation of the POOSL syntax as supported by the POOSL IDE 1 Installation 1 1 Minimal system requirements The POOSL IDE requires 1 2 Windows 7 32bit or 64bit Windows XP is not supported Ubuntu 12 04 32bit or 64bit JRE 1 7 0 55 or newer Eclipse Kepler or newer The POOSL IDE has been tested with Eclipse Luna Installing Eclipse If a correct version of Eclipse is already installed skip this section Otherwise follow these steps to install Eclipse 1 Download and Install Java Runtime Environment JRE see http www oracle com technetwork java javase downloads Download the Eclipse Luna Standard Package version 4 4 http www Eclipse org downloads Unzip the Eclipse file at a location where you have permission to write files and directories Locate the Eclipse exe file in directory Eclipse Create a shortcut on the desktop or task bar In Windows right click on the file gt Send to gt Desktop When multiple JREs are installed on your machine specify the JRE to be used as follows right click on Eclipse shortcut select Properties ta
6. Embedded Systems Innovation by TNO POOSL IDE User Manual Tool version 3 0 0 25 8 2014 POOSL IDE User Manual TWAS ANE TOUR a concen sauticagnansaduensueyestaney louseaanelna E ES 5 1 1 Minimal system requirements cccccescccccssecccceseccecesececseeececseececceuseceseuaeeseuecesseneceeseeneeeteas 5 1 2 NFS CAHN Epe Case etsacirse resect E A 5 1 3 installing the POOSL IDE plug Ierseke aie onec evar 6 1 4 OC Te POO LIDE cern r r wniewaaierineenintetrencuomengieedeate 7 1 4 1 Updating Cl SSI ACO seini E 8 1 5 instalation Pro DIEIIS seenen E 8 2 Test your installation using the examples ssseseesesseesesrerssrreressrrresrreresrrressreressressrerssrereserereseeresse 9 2 1 Download the example POOSL proj ct sossssesseesesreresrrrssrrrrresrresssrrresererssrereerersseeresereesseere 9 2 2 import the example POOSL proj Ct ssacssvssccncccncesssapunndoascndabstunterseavsiaduusniabtsardesesshancseaseeuiarnens 9 23 Test your installation USING AN example c cceeeccccesseccceeseececceescceeeesececsuseceececeeseusecetsenesss 10 DCCA POO Se MOC ONG E ne anuaa caus tcsearsstcassentocan 12 3 1 Oa ae OOS DRC OC ean TE TE 12 3 2 Creating POOSE IMOGElS cccisciisschsvacnsedsnseussdasesntenavieniebaeusantdseveercesiaditansaensepeaiaeosuneteadunabecesnnees 12 3 3 Fane FOO SI MO CS ae 13 e POO SLIDE SV CUL renna S E E E E EEE 14 4 1 UsetuLDasie Echpse SNONCULS srsrasrire Piian aN 14 4 2 Na VIACOM e nein EE E 14 4 3 EE acts et
7. b Shortcut edit the Target field to specify the location of the Java Virtual Machine For instance C Eclipse Luna Eclipse exe vm C Program Files Java jre8 bin javaw exe Note the use of javaw to avoid opening a additional window When opening Eclipse select a location for the workspace and click OK t To determine which version of Java is installed type the following at the command prompt java version 5 1 3 Installing the POOSL IDE plug in To install the POOSL IDE plug in in Eclipse follow these steps 1 In Eclipse go to Help gt Install new software In Work with click the Add button The Add Repository dialog box appears 3 Copy one of the following links to the location box e http poosl esi nl downloads ide updates release for the release version e http poosl esi nl downloads ide updates latest for the latest version 4 Enter a name for the repository and click OK Add Repository Name POOSLIDE Local Location http poosl esi nl downloads ide updates latest Archive me 5 Select the POOSL IDE plug in from the update site and uncheck the Contact all update sites during installation to find required software checkbox Install Available Software Check the items that you wish to install Work with POOSLIDE http pooslesi nl downloads ide updates latest Find more software by working with the Available Software Sites preferences t
8. e 6 Existing Projects into Workspace G File System E Preferences gt CVS gt Git e amp Install b gt amp Maven 2 Click on Select archive file and press Browse to open the examples zip file 3 S Import Import Projects Select a directory to search for existing Eclipse projects Select root directory Select archive file Projects Options Z Search for nested projects v Copy projects into workspace F examples zip Browse nl esi poosl examples POOSLExamples Browse Select All Deselect All Refresh Hide projects that already exist in the workspace Working sets Add project to working sets Working sets Click Finish to import the project 2 3 Test your installation using an example Click on Window gt Open Perspective gt Other gt POOSL Edit which changes the screen layout in order to support the editing POOSL models Double click on the file producer_consumer poosl The contents of the file should now be 1 shown in a syntax highlighted way POOSL Edit nl esi poosl poosl example Eile Edit Navigate Search Project Run Window Help Qro wy rity ries er ee TNES We UP MaE Sam ESES Sa cer onsu O ee mn S F Ge r ONT ee Po betes amp Project Explorer X ASls a nl esi poosl examples b amp libraries a gt models b amp ATMSwitch gt amp Fisher gt Hell
9. elease version e http www es ele tue nl rotalumis repository integration for the latest version Enter a name for the repository and click OK 5 Close the window and follow the steps in 1 4 to check for updates 1 5 Installation problems In case errors occur after installing the POOSL IDE when opening files or running or debugging models make sure that the correct versions of this software is installed in Eclipse and the computer e Java JRE 1 7 please update to the latest version of 1 7 or update to 1 8 e Xtext 2 6 x can be installed from the xtext update site http download eclipse org modeling tmf xtext updates composite releases 2 Test your installation using the examples Using the POOSL IDE to its full potential requires permissions to write files and create socket connections on your machine This section describes a procedure to check whether this is the case 2 1 Download the example POOSL project The example POOSL project can be downloaded from http poosl esi nl downloads examples examples zip Save the file in a temporary location do not unzip the files or extract files from the zip file 2 2 Import the example POOSL project To create a POOSL project with the examples follow these steps 1 Click on File gt Import gt General gt Existing Projects into Workspace Select Create new projects from an archive file or directory Select an import source type filter text a General i Archive Fil
10. es you to reuse the filter setting in subsequent simulations of the same model e When changing the filter settings all previous messages will be cleared Uncheck the Only save filtered messages checkbox to save all messages With this option off changing the filter will not clear all messages in the buffer Reordering lifelines e When lifelines are visible in the sequence diagram view click and hold to drag the lifeline to a new position The order of the lifelines will be saved in the launch configuration 5 2 6 Debugging multiple POOSL models simultaneously It is possible to run multiple POOSL simulations at once To connect to the simulator the debugger uses a TCP IP port This port is set in the run configuration created when you run or debug a model for the first time The default TCP IP port is 10001 When debugging multiple models at the same time the TCP IP port in the run configuration needs to be unique To change the run configuration follow these steps 21 Click on the arrow next to either the Eclipse Run or Debug button Choose Run or Debug Configurations a P TE EF wv 2 oe i E il Wwe b Run As Run Configurations Organize Favorites type filter text Laal Acceleo Application Eclipse Application r DES re I gt seers Java Applet D Eclipse_workspaces Eclipse Poosl nl esi poosl examples shesim examples fischer poosl G Java Application Ju JUnit Jt JUnit Plug in
11. icture below After doing so the Sequence Diagram in the bottom right corner should fill up with messages Occasionally this may not work immediately The solution is to continue with step 5 and 6 and then return to step 3 POOSL Debug Eclipse Platform File Edit Navigate Search Project Run Window Help ee Sine es a i Debug A K a a Rotalumis producer_consumer poos Simulated time 0 a ProducerConsumer Producer a ProducerConsumer Consumer a Bus In the top left corner click on the red Terminate button indicated by the red arrow in the picture above In the top right corner click on POOSL Edit to change back to the screen layout for editing PO POOSL Edit POOSL Debug When the Sequence Diagram view has shown messages the installation was successful 11 3 Creating POOSL models 3 1 Creating a POOSL project To create a new POOSL project follow these steps 1 Click on File gt New gt Project and select POOSL project from the list New Project Select a wizard Wizards type filter text Ze Java Project Java Project from Existing Ant Buildfile i Plug in Project gt General gt Ge CVS p E Java Plug in Development f POOSL E POOSL Project Finish Cancel Click Next and give the project a name Click Finish to create the project The created project has one directory models This directory contains a new model file to start c
12. kpoint remains set but can be deactivated or activated when needed To Enable or disable all breakpoints at the same time use button inthe top of the view Breakpoint hits When a breakpoint is hit during simulation the simulation will suspend The breakpoint that was hit will be highlighted in the Execution Tree view and highlighted in the editor 5 2 5 Sequence diagrams When debugging a model it is possible to display all communication messages between processes and cluster in the form of a sequence diagram The Sequence Diagram view allows filtering out processes cluster and collapsing clusters so that only communication outside the cluster is visible Hovering over a lifeline message or timestamp will provide additional information about it Clicking messages updates the Eclipse properties view with all information about the message By default the message buffer is set to contain at maximum 1000 messages This prevents Eclipse heap space problems The buffer size can be changed in Window gt Preferences gt POOSL gt Sequence Diagram as shown in the picture below 19 S Preferences type filter text Sequence Diagram b General p Ant t Help Maximum buffer size 1000 Buffer with all recorded messages before filtering gt Install Update Warning setting the maximum too high may lead to an out of memory exception b Java p Mowe t Plug in Development POOSL POOSL 2 Dot Refactoring Sequence Diagram
13. lation click the red stop button red square icon in the Console view at the bottom of the screen 15 SA Interactive debugging simulation To debug a POOSL model and use all debugging features follow one of these steps 1 Right click in an open editor or poosl file in the project explorer e Select Debug As gt POOSL Simulation Click on the small arrow next to the Debug button of Eclipse and select Debug as gt POOSL Simulation aa Nae a ares oe oe gt a ne launch history Debug As fe 1 POOSL Simulation T Debug Configurations Organize Favorites ie Seiad ileal el Note After starting a POOSL simulation Eclipse will switch to the POOSL debug perspective and the model will start in the paused state To return to the edit perspective click on the Edit perspective button in the top right corner PO POOSL Edit 3 POOSL Debug 5 2 1 Running and stepping As mentioned before the model will start in the paused state These steps can be used to change the state of the simulation e Click the play button in the Eclipse toolbar to resume simulation 2 2 a wi Resume e Click the pause button in the Eclipse toolbar to suspend simulation m Suspend e Click the step button in the Eclipse toolbar to make a single transition in one of the process instances of the simulation aje aie Step e Click the time step button in the Eclipse toolbar to advance
14. mouse click on the light bulb or using the keyboard shortcut lt CTRL gt lt 1 gt Formatter e This applies a proposed default format for textual POOSL models The automatic formatter can be started using the keyboard shortcut lt CTRL gt lt SHIFT gt lt F gt Comments e This includes single line and nested multi line comments Tags like TODO FIXME and XXX are recognized as markers and displayed in the tasks view 13 4 POOSL IDE Shortcuts 4 1 Useful basic Eclipse shortcuts e Switch between tabs e lt CTRL gt lt Page Up gt e lt CTRL gt lt Page Down gt e Maximize current editor tab e lt CTRL gt lt M gt e Double click on tab e Jump to position of last edit e lt CTRL gt lt Q gt e Save file e lt CTRL gt S 4 2 Navigation e Outline view e Window gt Show view gt Outline e lt CTRL gt O opens a quick outline that is searchable including wildcards e Hyper linking to referenced elements e lt F3 gt while the cursor position is at a cross reference e lt CTRL gt click on a cross reference e Find references e lt CTRL gt lt SHIFT gt lt G gt e Label with extra information e Point at a cross reference 4 3 Editing e Content assist including templates for system and data process cluster classes e lt CTRL gt lt SPACE gt e Rename element including any cross references e lt ALT gt lt SHIFT gt R e Automatic formatting pretty printing e lt CTRL g
15. oWorld amp Jobshop b amp MarsRover amp MPSoC 4 ProducerConsumer P producer_consumer poos b SoCInterconnects amp SocketExample b Wireless lt i p Outline 2 t Imports t 2 Data classes t Process classes t Cluster classes t System 10 a W gt Se vo A process class Producer IdleTime A f producer_consumer poos 5 Data Classes data class Packet extends Object variables ID Integer methods setIdentity I 1D c FS return self getIdentity Integer return ID printString String return ID printString Integer Packet Process Classes Integer ports Out messages Out Message Packet variables ID Integer init Initialise methods Initialise 3 Right click on the file producer_consumer poosl and select Debug as gt POOSL simulation The screen layout is changed in order to support the debugging of POOSL models Pew Oper Fa pen With Copy Crist A Oevlete hehehe Pionie Renan FP i Impex ca Export Refer FS Valiaie Debug As Run As Lv Applicaton 2 Nian Plug in Test 3 Aine Test POOSL Simulation lean Compare Wien z Replace With a Debug Conga aJ i fy Properties AL Enter Generate Rotaluenis WML Generate DOT graph beta Generale Legacy SHESim KM In the top left corner click on the green Resume button indicated by the green arrow in the p
16. or native data classes such as String and Integer this is the same as the value next to the name Your own data classes can contain variables In this screenshot the contents of b of type Array and k of type Integer are visible t Variables wH O g Name Value aeb Array true false 1 true 2 false k 1 17 5 2 3 Process Execution Tree PET Every process has its own local state that is visualized in its so called Process Execution Tree PET When the simulation is suspended this PET can be inspected in the Execution Tree view When a process is selected in the Debug view the corresponding Execution Tree is shown and possible transitions are highlighted in the same colors as the Debug view E Execution Tree s 4 process 4 sequential delay rand random 10 0 coo Forcing execution of enabled transitions To perform a transition in the Execution Tree view perform one of the steps below 1 Double clicking the node Select the node and hit enter Using the keyboard keys 1 9 you can execute the corresponding transition based on occurrence in the list The shortcut Ctrl Up and Ctrl Down can be used to navigate to the next or the previous possible transition Process definition reference All nodes in the Execution Tree view correspond with a definition in the poosl file Selecting a node will highlight that part of code that corresponds with the statement in the Execution Tree 5 2 4 Breakpoints A
17. reating a model All basic classes such as String and Integer are imported implicitly Eclipse will switch automatically to the POOSL Edit perspective This will allow you to right click in the project explorer to create POOSL projects more easily 3 2 Creating POOSL models First make sure there is a POOSL project in the workspace To create a new POOSL model follow these steps 1 Right click the models directory in the POOSL project and select New gt POOSL Model 12 2 3 fy Project Explorer 2 5 T Foo F a POOSL Project amp api E New t 3 Project Go Into c Fe Copy Ctrl C Folder Paste Ctrl V FF POOSL Model a Delete Delete R amp POOSL Project ve F Other Ctrl N Rename Fe T tg Import gg Export J Refresh FS Debug As Run As Team Compare With Restore from Local History OS Qutline Properties Alt Enter Click next and type a name for the new model Click finish 3 3 Editing POOSL models When editing POOSL models a number of features are available 1 Content assist e This includes templates for easily creating amongst others new system data process cluster classes data process methods etc The suggestions can be inspected using the keyboard shortcut lt CTRL gt lt SPACE gt Quick fix e This provides common solutions for typical warnings and errors It is available if a light bulb is displayed next to the error warning icon It can be inspected by a
18. s sn E E A sonata ea taonan eaea 14 4 4 Faull PELECTION and CONMCCTION senaren E EET 14 So mae VOC CS e E E 15 5 1 High performance running SiMUlation ccceeseessscceccccccccccscesseeeeeseeeeeeeeceseecesseeeeeeeeeaagegs 15 5 2 Interactive debugging SIMUlAtTION cccccccesseseseeseceeecceeececcessueeeeeeueuueeeeseseeeesesseeeeeeseeaaaegs 16 5 2 1 R ning and stepping sesatancnactecanncheseanseuteaasnasertene oeta i E aE i nN a EE NE E e r ai s 16 5 2 2 Inspecting processes and variableS eesssssssusssresssrrrsssrrersrrrressreresreresrrreseeresereeeseerese 17 5 2 3 Process Execution Tree PE sssssesssesessrrrressrrrrressrrrrrsessrrrressrrrressertrrrerrrreserreresseeeree 18 5 2 4 BF DO ar seecdeuarsueteeusetanceecatee contnateebeieseccaescessnneeeneenes 18 5 2 5 Sseguence diagr aS areri apin eo eee a 19 5 2 6 Debugging multiple POOSL models simultaneously sssssscssessssenseesreresrrrserreresrresssseess 21 6 7 Preferences Export Functionality 7 1 Exporting a model to ROLAIUIMIS KIM anrea a E EG 8 1 Running or debugging a model gives validation errors but the IDE does not show them 25 8 2 see strange behavior when debugging multiple models simultaneousSly cccceeeeeees 25 8 3 My duick THIS not WONKING icena A a A 25 8 4 Internal null pointer exception when trying to run debug a model cccccccccceesseeeeeeeeees 25 Introduction This document explains the
19. t lt SHIFT gt F 4 4 Fault detection and correction e Validation Automatically upon changes and upon saving e 6Revalidate all files e Project gt Clean e Validation results e error icon cross in a red box e warning icon exclamation mark in a yellow triangle e Quick fix available if a light bulb is displayed next to the validation icon lt CTRL gt lt 1 gt 14 5 Simulating models 5 1 High performance running simulation To Runa POOSL simulation follow one of these steps 1 Right click in an open editor or poosl file in the project explorer e Select Run As gt POOSL Simulation Click on the small arrow next to the Run button of Eclipse and select Run as gt POOSL Simulation j Project Explorer 32 4 POOSL Project gt api 4 2 models gt L amp rotalurme output oe T en Open Open With Copy Ctrl C Paste Ctrl V Delete Delete Move Rename F2 Import Export Refresh Debug As Run As fe 1 POOSL Simulation j s Team pt Outline 25 An outline is not z Run Configurations Compare With a Replace With Properties Alt Enter Generate DOT graph Generate SHESim AML Generate Rotalumis XML After running a simulation it becomes available as a recent launch and can be launched using the small arrow next to the run button TOTAA ETEN fF 1 model poosl Debug As Debug Configurations Organize Favorites To stop a simu
20. the simulation to the next possible delay transition ae sF7 i gt m Time step e Click the communication step button in the Eclipse toolbar to advance the simulation to the next communication transition 16 a oh ae De Communication step e Itis also possible to make specific transitions within a process instance See Process Execution Tree in section 4 2 3 e Click the terminate button in the Eclipse toolbar to terminate the simulation SSP oe E Terminate 5 2 2 Inspecting processes and variables For demonstration purposes the following screenshots are based on the fisher poosl example that can be obtained through http poosl esi nl downloads examples examples zip Fr Debug 2 5 a Rotalumis fischer poosl Simulated time 0 ae process1 ae criticalSection ae mutex The Debug view shows all process instances as nodes of the model that you are debugging The names of the nodes correspond to the hierarchical path of the instance Instances are colored based on the execution state of that instance Red means that the instance can do a step blue means the instance can perform a time step and black means the instance can t make any steps To inspect the variables and state Process Execution Tree PET of an instance click it in the debug view This will update the information in Execution Tree and Variables views Selecting a variable in the Variables view will inspect that variable F
21. ype filter text Name Version a 000 Poosl lah POOSL SDK 3 0 0 201406131313 Select All DeselectAll 1 item selected Details wv Show only the latest versions of available software V Hide items that are already installed u Group items by category What ts already installed Show only software applicable to target environment Cancel Click Next twice and accept the license agreement click Finish to start the installation Because the software is not signed by Eclipse it will give a security warning Click OK on the security warning to continue installation J Installing the POOSL IDE plugin will automatically install the simulator Rotalumis 7 When asked restart Eclipse 1 4 Updating the POOSL IDE To update the POOSL IDE follow these steps 1 In Eclipse select Help gt Check for Updates If a newer version of the POOSL IDE or the simulator Rotalumis are available they will appear in the list of software to update 2 Click Next to install the new updates 1 4 1 Updating the simulator It is possible to update the simulator Rotalumis independently from the POOSL IDE To add the update site to Eclipse follow these steps In Eclipse go to Help gt Install new software In Work with click the Add button The Add Repository dialog box appears 3 Copy one of the following links to the location box e 6http www es ele tue nl rotalumis repository release for the r
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