Hi, am getting below error when i try to start process. The process could not be started. : Cannot instantiate process definition SimpleDemo:4:bb1bf2dd-ac9f-11ea-afdf-c0e434376e8b: Unknown property used in expression: #{not weatherOk}}. Cause: Cannot resolve identifier 'weatherOk'
Hello. I encountered the same issue earlier. I tired to recheck my bpm Diagram in which i encountered that my sequence lines were not connected to the 1st Service Block ("Check weather Block") properly . Post rectifying this thing i got my process Running. Hope this helps .
I guess you misspelled the variable name in your java code. I got the same problem, and I solved it by changing 'weatherOK' to 'weatherOk'. Make sure the variable has the same name on the modeler and on the eclipse.
Hi Melih - sorry about that. We should have made it more clear that we were demoing the Enterprise Version in this video :-( . But, we will be using Community Edition for all our new videos, which we have in the works at the moment. If you've got any questions on the Community Version, feel free to join our Camunda Forum where our engineers and users talk all things microservices, workflow and decision automation: forum.camunda.org/
For the community edition these links may be helpful: REST API Doc: docs.camunda.org/manual/7.11/reference/rest/history/ Example call to fetch list of instances: localhost:8080/rest/history/process-instance If using Spring Boot ensure REST API is deployed: org.camunda.bpm.springboot camunda-bpm-spring-boot-starter-rest 3.3.4
@@MohammadHasanSaffari base url and port depend on the deployment you are using. Spring boot uses only "rest". The downloadable package uses "engine-rest". Try localhost:8080/engine-rest/history/process-instance
Hi there - Great question! The best place to discuss this is our forum, where our community and engineers will be happy to review what's possible: forum.camunda.org/
We're very sorry for this late reply Sunny! If you're still experiencing issues, please let our team know at the Camunda Forum and we can help you get it sorted: forum.camunda.org/
One Question about Camunda database retrival. As oracle database will support only 1000 records retrival. How camunda supporting to retrieve more than that ?
I'm using Tomcat (apache-tomcat-9.0.24) because it was recommended in 'getting started'. In which path can I place the war-file? How do I deploy something? I can not work with that! I don't know what to install..... I was going through the getting started and have everything I need in my opinion...
Hi Shakti - Thank you for your question! We recommend watching our more recently recorded tutorials on using Camunda Platform and accessing the materials related to those videos: bit.ly/3hOyQeG
Hello - thank you for watching and sharing your question! It's best to head over to our forum where our engineers and community will be happy to help: forum.camunda.org/
Hi niell I have tried your tutorial. I amusing an expression ${isPay==true} and tried ${isPay} in both way it is showing unknown property used in expression please help
Hi Vaibhav - We are sorry this isn't working as expected. We recommend heading over to our forum where our engineers and community will be best able to help troubleshoot: forum.camunda.org/
If I use usertask then token is moving and instance is created. But if use only service task and created respected delegates then it shows error of identifier if I use any setvariariable() statement. Like execution.setVariable("pay",true). It shows unidentified variable.. why this happens.
Excellent Tutorial. I found one step is not working for me and I hit "ClassNotFound" exception. i.e. Whenever I copy fully qualified name its not working rather when I give class name along with package name its working for me. i.e. "com.camunda.demo.SimpleDemo.LoggerDelegate". Hope this may help others.
Hi Naor - Thanks for reaching out! We recommend heading over to our forum where our community and engineers will be able to provide guidance: forum.camunda.org/
Hi Chetan - Thank you for letting us know. We are sorry for any difficulty with the audio and have worked to improve the sound quality in more recent tutorials. Thanks again!
Hi there - Very interesting question. We believe this depends on what you're trying to learn as well as achieve. Our uploaded tutorials are a great place to start and more information can be found here: bit.ly/34oAwHz. We also invite you to connect with our engineers and community on our forum: forum.camunda.org/
I always get some errors.... why dont you provide a git so I can check everything very well and follow the example maybe you missed to mention something?
Hi Asparuh - Thank you for the suggestion! Have you taken a look around our forum? Our engineers and community members are always available to help: forum.camunda.org/
Hey Niall thanks so much for the tutorial! I wanted to ask, if im running camunda in a docker container, how would I add the war file so that the BPMN appears in Cockpit? Thanks
I followed the video steps but eclipse can't find the Archetypes, message in eclipse when i choose verify while adding the Repository " Remote catalog is empty"
We're very sorry for this late reply! If you're still experiencing issues, please let our team know at the Camunda Forum and we can help you get it sorted: forum.camunda.org/
Hi Catalan - Unfortunately, this project has vanished since this video was first uploaded in 2018. We recommend taking a look at some of our newer tutorials, including this series on How to Build a Camunda Platform Project with Spring Boot: bit.ly/3cxLSdy
Hi Vishnu - Thank you for your question! This video on getting started with Camunda and Spring Boot is a great place to start: th-cam.com/video/sHgf_EsQzfc/w-d-xo.html. We invite you to also check out our forum where our engineers and community members are always available to help: forum.camunda.org/
hi, in my current Camunda Cockpit, I am unable to switch to the history tab of a process. Is there anything I'm missing, or is this feature no longer available?
Hi there - The history view is only available in the enterprise edition of Cockpit. There is plenty of discussion on our forum among our community and engineers if additional information would be helpful: forum.camunda.org/c/web/7
hey, thank you for your video! my problem is, i have a bigger model with mulitple processes and when im running it says no processes deployed with key 'projectkeyname' because every lane has an individual process key. How do you resolve that?
Hi Niall, I did exactly you showed and getting this error: condition expression returns non-Boolean: result has class java.lang.String and not java.lang.Boolean
Why is this process so complicated? In order to make a single change in the code, I have to - Run as Maven install - manually copy a file around - refresh a browser tab - open the tasklist - start a new process - refresh another tab That's like 25 clicks for one simple update? Why?
Thank you for your feedback. A lot has changed since this video was first published. To see the most current information for Camunda Platform 7, be sure to check out our documentation: bit.ly/3OerCkA. To connect with our engineers and community, we recommend heading to our forum: bit.ly/3Bozmqt.
I have requirement, my rules are formulated by user from UI, and in my current architecture all rules get stored in Oracle DB, I need to migrate it to camunda but I need same architecture do we have in camunda where we can create ad-hoc rules and stored them in DB.
@@coxixx Thanks for checking back in and for your patience as we are always juggling a large number of requests and priorities with our calendar. If you're in need of immediate help, we recommend heading over to our forum and chatting with our community and engineers: forum.camunda.org/
Hey Niall , you should update this part of tutorial , in the current version this approach is not working during the maven install, to work around this i used mvn clean package
Hi Niali, Good Morning, I tried each step as you mentioned But I am getting this error The process could not be started. : Cannot instantiate process definition SimpleDemo:1:589fff64-7db3-11ea-87f9-d46a6aa6b20b: condition expression returns non-Boolean: result has class java.lang.String and not java.lang.Boolean I need to map the expression a boolean even I tried with default value false, Can you help me public class WeatherDelegate implements JavaDelegate { @Override public void execute(DelegateExecution execution) throws Exception { // TODO Auto-generated method stub Random r = new Random(); execution.setVariable("name", "ramesh"); execution.setVariable("weatherOk", false); } }
when i copy my war file in the tomcat server/webapps folder, the application does start but i get an http error when i try to reach the cockpit..any ideas?
Hi Franziska, ah yes - it's the way tomcat has chosen to structure its file system! If you have any other questions, feel free to join the team on the Camunda Forum: forum.camunda.org/
We're very sorry for this late reply! If you're still experiencing issues, please let our team know on the Camunda Forum and we can help you get it sorted: forum.camunda.org/
Hey Buben - we actually don't have a link for this! However, there are lots of git examples of using Camunda here: github.com/camunda-consulting/code/tree/master/snippets
Hi Mohammed - Thanks for your question! The source code seems to have disappeared since this video was first uploaded. We recommend taking a look at some of our newer videos for a more comprehensive experience, including this series on Building a Camunda Platform Project Using Spring Boot: bit.ly/3cxLSdy
Please I couldn't download camunda standalone webapp tomcat even wildfly using this link docs.camunda.org/manual/latest/installation/standalone-webapplication/#download , great tuto btw
I see error remote catalgog is empty and no archtype is there
Same happened to me, you find a solution ?
@@martinTHEbigcritique me too
the catalog url is not working
Hi, am getting below error when i try to start process.
The process could not be started. :
Cannot instantiate process definition SimpleDemo:4:bb1bf2dd-ac9f-11ea-afdf-c0e434376e8b: Unknown property used in expression: #{not weatherOk}}. Cause: Cannot resolve identifier 'weatherOk'
The best place to ask will be our forum, where our Camunda engineers and community can help you: forum.camunda.org/
hi, Ben,
i have exactly the same error message when I try to start the process, have you found a solution yet?
Hello. I encountered the same issue earlier. I tired to recheck my bpm Diagram in which i encountered that my sequence lines were not connected to the 1st Service Block ("Check weather Block") properly . Post rectifying this thing i got my process Running. Hope this helps .
@@g_lo_g_n no i didn't found solution :/
I guess you misspelled the variable name in your java code. I got the same problem, and I solved it by changing 'weatherOK' to 'weatherOk'. Make sure the variable has the same name on the modeler and on the eclipse.
You should have told the process instances are visible only in the history mode, which is not present in the Community Version.
Hi Melih - sorry about that. We should have made it more clear that we were demoing the Enterprise Version in this video :-( . But, we will be using Community Edition for all our new videos, which we have in the works at the moment. If you've got any questions on the Community Version, feel free to join our Camunda Forum where our engineers and users talk all things microservices, workflow and decision automation: forum.camunda.org/
For the community edition these links may be helpful:
REST API Doc: docs.camunda.org/manual/7.11/reference/rest/history/
Example call to fetch list of instances: localhost:8080/rest/history/process-instance
If using Spring Boot ensure REST API is deployed:
org.camunda.bpm.springboot
camunda-bpm-spring-boot-starter-rest
3.3.4
@@rob2universe the example returns error 404
@@MohammadHasanSaffari base url and port depend on the deployment you are using. Spring boot uses only "rest". The downloadable package uses "engine-rest". Try localhost:8080/engine-rest/history/process-instance
we are not interested in java class then how can we use the expression for weather service?
Hi there - Great question! The best place to discuss this is our forum, where our community and engineers will be happy to review what's possible: forum.camunda.org/
After starting a process from tasklist its incidents count is not updating in cockpit.
I have same problem
We're very sorry for this late reply Sunny! If you're still experiencing issues, please let our team know at the Camunda Forum and we can help you get it sorted: forum.camunda.org/
do anyone have solved? many thanks
I have the same problem.
One Question about Camunda database retrival. As oracle database will support only 1000 records retrival. How camunda supporting to retrieve more than that ?
That's a great question, vinoth! The best place to connect with our engineers and community on your specific use case is our forum: forum.camunda.org/
I'm using Tomcat (apache-tomcat-9.0.24) because it was recommended in 'getting started'. In which path can I place the war-file? How do I deploy something? I can not work with that! I don't know what to install..... I was going through the getting started and have everything I need in my opinion...
Hi Hai Mi - the best place to ask this question is our Forum, where the Camunda Community and Engineers can help you: forum.camunda.org/
Is there any git repo for all these examples?
Hi Shakti - Thank you for your question! We recommend watching our more recently recorded tutorials on using Camunda Platform and accessing the materials related to those videos: bit.ly/3hOyQeG
After starting a process from tasklist its incidents count is not updating in cockpit.
anyone help ?
Hello - thank you for watching and sharing your question! It's best to head over to our forum where our engineers and community will be happy to help: forum.camunda.org/
Hi niell I have tried your tutorial. I amusing an expression ${isPay==true} and tried ${isPay} in both way it is showing unknown property used in expression please help
Hi Vaibhav - We are sorry this isn't working as expected. We recommend heading over to our forum where our engineers and community will be best able to help troubleshoot: forum.camunda.org/
If I use usertask then token is moving and instance is created. But if use only service task and created respected delegates then it shows error of identifier if I use any setvariariable() statement. Like execution.setVariable("pay",true). It shows unidentified variable.. why this happens.
@@vaibhavmalviya9645 Great question! Our forum is the best place to discuss this: forum.camunda.org/. Our engineers and community are there to help!
Excellent Tutorial. I found one step is not working for me and I hit "ClassNotFound" exception. i.e. Whenever I copy fully qualified name its not working rather when I give class name along with package name its working for me. i.e. "com.camunda.demo.SimpleDemo.LoggerDelegate". Hope this may help others.
Thank you for sharing!
Hi, how can I be doing in python language ?
Hi Naor - Thanks for reaching out! We recommend heading over to our forum where our community and engineers will be able to provide guidance: forum.camunda.org/
while running the project I am getting "no processes deployed with key 'SimpleDemo': processDefinition is null". Could anyone help ?
Hi Abdallah - We recommend heading over to our forum where our engineers and community will be best able to help: forum.camunda.org/
audio quality is low
Hi Chetan - Thank you for letting us know. We are sorry for any difficulty with the audio and have worked to improve the sound quality in more recent tutorials. Thanks again!
hi, do you think u can learn camunda from 0 in 1 month?
Hi there - Very interesting question. We believe this depends on what you're trying to learn as well as achieve. Our uploaded tutorials are a great place to start and more information can be found here: bit.ly/34oAwHz. We also invite you to connect with our engineers and community on our forum: forum.camunda.org/
I always get some errors.... why dont you provide a git so I can check everything very well and follow the example maybe you missed to mention something?
Hi Asparuh - Thank you for the suggestion! Have you taken a look around our forum? Our engineers and community members are always available to help: forum.camunda.org/
Hey Niall thanks so much for the tutorial!
I wanted to ask, if im running camunda in a docker container, how would I add the war file so that the BPMN appears in Cockpit?
Thanks
Hi Andres, the best place to ask will be our forum, where our Camunda engineers and community can help you: forum.camunda.org/
docker run --name camunda -p 8080:8080 camunda/camunda-bpm-platform:latest
docker cp /Path/to/war file camunda:/camunda/webapps/
I'm getting an Error Opening the modeler in Eclipse " Unable to Open external Editor Camunda Modeler" error opening external editor.
Hi Khanyisa - Thank you for reaching out. Could you please send an email to social@camunda.com so we can try to help? Thanks again!
I followed the video steps but eclipse can't find the Archetypes, message in eclipse when i choose verify while adding the Repository " Remote catalog is empty"
You can follow this link for configuration : docs.camunda.org/manual/latest/user-guide/process-applications/maven-archetypes/
We're very sorry for this late reply! If you're still experiencing issues, please let our team know at the Camunda Forum and we can help you get it sorted: forum.camunda.org/
I guess the group-id changed...starts with org.camunda now, no more com.camunda - try that
i tried this app.camunda.com/nexus/content/repositories/camunda-bpm/ and i found the artifacat
thanks for the video, do you have this project in github ?
Hi Catalan - Unfortunately, this project has vanished since this video was first uploaded in 2018. We recommend taking a look at some of our newer tutorials, including this series on How to Build a Camunda Platform Project with Spring Boot: bit.ly/3cxLSdy
Is this for spring boot as well?
Hi Vishnu - Thank you for your question! This video on getting started with Camunda and Spring Boot is a great place to start: th-cam.com/video/sHgf_EsQzfc/w-d-xo.html. We invite you to also check out our forum where our engineers and community members are always available to help: forum.camunda.org/
hi, in my current Camunda Cockpit, I am unable to switch to the history tab of a process. Is there anything I'm missing, or is this feature no longer
available?
Hi there - The history view is only available in the enterprise edition of Cockpit. There is plenty of discussion on our forum among our community and engineers if additional information would be helpful: forum.camunda.org/c/web/7
Hi Niall, after the deployment of war, i ran the demo sucesfully but the processs not showing any logs in the bpmn portal
I cannot find the "Audit Log" and "Variables" in the Cockpit, it looks like they have been taken away (I am using 7.13)
The best place to ask is our forum, where our Camunda engineers and community can help you: forum.camunda.org/
hey, thank you for your video!
my problem is, i have a bigger model with mulitple processes and when im running it says no processes deployed with key 'projectkeyname' because every lane has an individual process key. How do you resolve that?
Hi there! Our forum is the best place for our engineers and community to provide help: forum.camunda.org/
Hi Can i know how the Server file came into BPM runner file because in your setup video the Server didn't exist as well.
Hi Vishnu - We recommend taking a look around our forum at forum.camunda.org/. Our engineers and community members are always happy to help!
Hi Niall, I did exactly you showed and getting this error: condition expression returns non-Boolean: result has class java.lang.String and not java.lang.Boolean
Please ignore....i got the answer search camunda forum
Why is this process so complicated? In order to make a single change in the code, I have to
- Run as Maven install
- manually copy a file around
- refresh a browser tab
- open the tasklist
- start a new process
- refresh another tab
That's like 25 clicks for one simple update? Why?
Thank you for your feedback. A lot has changed since this video was first published. To see the most current information for Camunda Platform 7, be sure to check out our documentation: bit.ly/3OerCkA. To connect with our engineers and community, we recommend heading to our forum: bit.ly/3Bozmqt.
I have requirement, my rules are formulated by user from UI, and in my current architecture all rules get stored in Oracle DB, I need to migrate it to camunda but I need same architecture do we have in camunda where we can create ad-hoc rules and stored them in DB.
Come join us on the Camunda Forum - our engineers and community can help you: forum.camunda.org/
it is not deployed on Tomcat , any advice, please?
Your best to ask any questions you have on the forum forum.camunda.org/
any reason why when i copy my war file in the tomcat server/webapps folder, it shows up as deployed but not as a process to start on the tasklist?
Hi James - this question is best directed to our Camunda Forum, where our engineers and community can help you: forum.camunda.org/
why you don't make video for php developer?????
Hi Lo Lo - Thank you for reaching out. We'll share your request with our team. Thanks again!
@@CamundaTeam the last time you shared my request but noting happened.
@@coxixx Thanks for checking back in and for your patience as we are always juggling a large number of requests and priorities with our calendar. If you're in need of immediate help, we recommend heading over to our forum and chatting with our community and engineers: forum.camunda.org/
Hey Niall ,
you should update this part of tutorial , in the current version this approach is not working during the maven install, to work around this i used mvn clean package
Thanks for the update - We going to be updating the tutorial videos in the next few months so we'll correct that.
Hi Niali, Good Morning, I tried each step as you mentioned But I am getting this error
The process could not be started. :
Cannot instantiate process definition SimpleDemo:1:589fff64-7db3-11ea-87f9-d46a6aa6b20b: condition expression returns non-Boolean: result has class java.lang.String and not java.lang.Boolean
I need to map the expression a boolean
even I tried with default value false, Can you help me
public class WeatherDelegate implements JavaDelegate {
@Override
public void execute(DelegateExecution execution) throws Exception {
// TODO Auto-generated method stub
Random r = new Random();
execution.setVariable("name", "ramesh");
execution.setVariable("weatherOk", false);
}
}
Hi there - this is best asked on our Camunda Forum, where our community and engineers can help you out: forum.camunda.org/
when i copy my war file in the tomcat server/webapps folder, the application does start but i get an http error when i try to reach the cockpit..any ideas?
solved: don't call your war file camunda.war :D it overwrites the one for the camunda cockpit
Hi Franziska, ah yes - it's the way tomcat has chosen to structure its file system! If you have any other questions, feel free to join the team on the Camunda Forum: forum.camunda.org/
great tutorial, thanks mate!
Good demonstration, but the volume is very low
When I put SampleDemo.war in the folder deployments appear SampleDemo.war.failed, can u help me to solve?
We're very sorry for this late reply! If you're still experiencing issues, please let our team know on the Camunda Forum and we can help you get it sorted: forum.camunda.org/
Happened to me,too. I just forgot to save the changed bpmn-File in the Modeler before I started the maven build. :-)
Excellent tutorial. However, it would be very useful if this was in a git repo which we could get an play with
Hi, Vipul! Thanks for the feedback. You can head over to our forum where our engineers and community are always happy to help: bit.ly/3qmZRKd.
I agree, sadly the code i wrote here has been lost to time :)
Any of the newer tutorials though do have a github link attached.
noob to pro complete playlist: th-cam.com/video/neHvuyEPM8Q/w-d-xo.html
Any git link?
Hey Buben - we actually don't have a link for this! However, there are lots of git examples of using Camunda here: github.com/camunda-consulting/code/tree/master/snippets
source code?
Hi Mohammed - Thanks for your question! The source code seems to have disappeared since this video was first uploaded. We recommend taking a look at some of our newer videos for a more comprehensive experience, including this series on Building a Camunda Platform Project Using Spring Boot: bit.ly/3cxLSdy
Thanks Nial
Good tutorial, thank you!
Thank you for the kind feedback, Michael!
excellent tutorial. thnx a lot.
Thanks for your sharing...
the voice is too low compared to the first video
perfect !! really appreciated
GOOD VIDEO
Please I couldn't download camunda standalone webapp tomcat even wildfly using this link docs.camunda.org/manual/latest/installation/standalone-webapplication/#download , great tuto btw
Good
Wonderful
excellent tutorial, thank you!
Thank you, Fernando!