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Posted to commits@camel.apache.org by "ravishankar-hassain (via GitHub)" <gi...@apache.org> on 2024/01/09 01:24:24 UTC
[I] Issue while Deploying Karavan App using SB runtime [camel-karavan]
ravishankar-hassain opened a new issue, #1054:
URL: https://github.com/apache/camel-karavan/issues/1054
I am trying to deploy a sample camel Karavan application from vscode to minikube in my local setup. I am using the context menu Karavan:Deploy to do the deployment. The terminal output seems to be successful but the minikube pod is crashing with the below error
ravis@soleil_laptop MINGW64 ~
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
karavan-poc-7875d74796-48xwf 0/1 CrashLoopBackOff 9 (2m45s ago) 24m
ravis@soleil_laptop MINGW64 ~
$ kubectl logs karavan-poc-7875d74796-48xwf
Starting the Java application using /opt/jboss/container/java/run/run-java.sh ...
INFO exec java -javaagent:/usr/share/java/jolokia-jvm-agent/jolokia-jvm.jar=config=/opt/jboss/container/jolokia/etc/jolokia.properties -javaagent:/usr/share/java/prometheus-jmx-exporter/jmx_prometheus_javaagent.jar=9779:/opt/jboss/container/prometheus/etc/jmx-exporter-config.yaml -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=20 -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90 -XX:+ExitOnOutOfMemoryError -cp ".:/deployments/*" org.springframework.boot.loader.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.JarLauncher
I am using the latest version of Camel Karavan v4.3.0 extension in VSCode
I found the SO post https://stackoverflow.com/questions/77279480/org-springframework-boot-loader-jarlauncher-cannot-be-found-but-org-springframe
It seems like the JarLauncher class is actually under org.springframework.boot.loader.launch.JarLauncher for Springboot v3.2.0
but the Karavan / Camel JBang generated DockerFile has an ENV named JAVA_MAIN_CLASS with Value org.springframework.boot.loader.JarLauncher but for SB version 3.2 the value should be org.springframework.boot.loader.**launch**.JarLauncher
How can I change this? Is there an option to mention this via properties?
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Re: [I] Issue while Deploying Karavan App using SB runtime [camel-karavan]
Posted by "ravishankar-hassain (via GitHub)" <gi...@apache.org>.
ravishankar-hassain commented on issue #1054:
URL: https://github.com/apache/camel-karavan/issues/1054#issuecomment-1883627357
> To avoid manual changes in deployment in k8s, you could just add `deployment.jkube.yaml` file to your project with the following fragment
>
> ```
> spec:
> template:
> spec:
> containers:
> - env:
> - name: JAVA_MAIN_CLASS
> value: org.springframework.boot.loader.launch.JarLauncher
> ```
Should I add this in the Karavan Application like below ?
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Re: [I] Issue while Deploying Karavan App using SB runtime [camel-karavan]
Posted by "ravishankarhassain (via GitHub)" <gi...@apache.org>.
ravishankarhassain commented on issue #1054:
URL: https://github.com/apache/camel-karavan/issues/1054#issuecomment-1883552226
> Thanks for the info. In the meantime, I have found a workaround for this issue.
>
> After the karavan:deploy is done and executed successfully, the K8S cluster will have all the required resources created by the karavan. So, I edited the deployment resource to override the value for the ENV JAVA_MAIN_CLASS as mentioned below
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Re: [I] Issue while Deploying Karavan App using SB runtime [camel-karavan]
Posted by "ravishankar-hassain (via GitHub)" <gi...@apache.org>.
ravishankar-hassain commented on issue #1054:
URL: https://github.com/apache/camel-karavan/issues/1054#issuecomment-1883546414
Thanks for the info. In the meantime, I have found a workaround for this issue.
After the karavan:deploy is done and executed successfully, the K8S cluster will have all the required resources created by the karavan. So, I edited the deployment resource to override the value for the ENV JAVA_MAIN_CLASS as mentioned below
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Re: [I] Issue while Deploying Karavan App using SB runtime [camel-karavan]
Posted by "mgubaidullin (via GitHub)" <gi...@apache.org>.
mgubaidullin commented on issue #1054:
URL: https://github.com/apache/camel-karavan/issues/1054#issuecomment-1883277499
Karavan uses JKube to build and deploy containers to k8s.
This issue is already fixed in https://github.com/eclipse/jkube/pull/2482 and will be in the next JKube.
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Re: [I] Issue while Deploying Karavan App using SB runtime [camel-karavan]
Posted by "mgubaidullin (via GitHub)" <gi...@apache.org>.
mgubaidullin commented on issue #1054:
URL: https://github.com/apache/camel-karavan/issues/1054#issuecomment-1883623526
To avoid manual changes in deployment in k8s, you could just add `deployment.jkube.yaml` file to your project with the following fragment
```
spec:
template:
spec:
containers:
- env:
- name: JAVA_MAIN_CLASS
value: org.springframework.boot.loader.launch.JarLauncher
```
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Re: [I] Issue while Deploying Karavan App using SB runtime [camel-karavan]
Posted by "mgubaidullin (via GitHub)" <gi...@apache.org>.
mgubaidullin closed issue #1054: Issue while Deploying Karavan App using SB runtime
URL: https://github.com/apache/camel-karavan/issues/1054
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Re: [I] Issue while Deploying Karavan App using SB runtime [camel-karavan]
Posted by "mgubaidullin (via GitHub)" <gi...@apache.org>.
mgubaidullin commented on issue #1054:
URL: https://github.com/apache/camel-karavan/issues/1054#issuecomment-1883630625
Yes
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