Error in NonGUIDriver java.lang.IllegalArgumentException in JMeter - websocket

I am getting the following error, after trying to run JMeter on the console. It is working fine in GUI mode.
Error in NonGUIDriver java.lang.IllegalArgumentException: Problem loading XML from:'/Users/omaroof/Desktop/Mywork/apache-jmeter-3.0/bin/SocketTestingCoApp.jmx', missing class com.thoughtworks.xstream.converters.ConversionException: JMeter.plugins.functional.samplers.websocket.WebSocketSampler : JMeter.plugins.functional.samplers.websocket.WebSocketSampler
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Unable to run Micronaut apps

I am exploring security oauth2.0 in micronaut framework with groovy.I generated project from micronaut site.
https://micronaut.io/launch/
Micronaut Version : 2.5.9
Language : Groovy
Build : Gradle
Test Framework : JUnit
When i got below error after running apps
[main] ERROR io.micronaut.runtime.Micronaut - Error starting Micronaut server: Bean definition [io.micronaut.security.oauth2.configuration.OauthClientConfigurationProperties] could not be loaded: Error instantiating bean of type [io.micronaut.security.oauth2.configuration.OauthClientConfigurationProperties]: Could not resolve placeholder ${OAUTH_CLIENT_ID}
io.micronaut.context.exceptions.BeanInstantiationException: Bean definition [io.micronaut.security.oauth2.configuration.OauthClientConfigurationProperties] could not be loaded: Error instantiating bean of type [io.micronaut.security.oauth2.configuration.OauthClientConfigurationProperties]: Could not resolve placeholder ${OAUTH_CLIENT_ID}
at io.micronaut.context.DefaultBeanContext.initializeContext(DefaultBeanContext.java:1568)
at io.micronaut.context.DefaultApplicationContext.initializeContext(DefaultApplicationContext.java:234)
at io.micronaut.context.DefaultBeanContext.readAllBeanDefinitionClasses(DefaultBeanContext.java:2905)
at io.micronaut.context.DefaultBeanContext.start(DefaultBeanContext.java:231)
at io.micronaut.context.DefaultApplicationContext.start(DefaultApplicationContext.java:180)
at io.micronaut.runtime.Micronaut.start(Micronaut.java:71)
at io.micronaut.runtime.Micronaut.run(Micronaut.java:311)
at io.micronaut.runtime.Micronaut.run(Micronaut.java:297)
at com.example.Application.main(Application.groovy:9)
Caused by: io.micronaut.context.exceptions.BeanInstantiationException: Error instantiating bean of type [io.micronaut.security.oauth2.configuration.OauthClientConfigurationProperties]: Could not resolve placeholder ${OAUTH_CLIENT_ID}
at io.micronaut.context.DefaultBeanContext.doCreateBean(DefaultBeanContext.java:2008)
at io.micronaut.context.DefaultBeanContext.createAndRegisterSingletonInternal(DefaultBeanContext.java:2768)
at io.micronaut.context.DefaultBeanContext.createAndRegisterSingleton(DefaultBeanContext.java:2754)
at io.micronaut.context.DefaultBeanContext.loadContextScopeBean(DefaultBeanContext.java:2292)
at io.micronaut.context.DefaultBeanContext.initializeContext(DefaultBeanContext.java:1562)
... 8 common frames omitted
Caused by: io.micronaut.context.exceptions.ConfigurationException: Could not resolve placeholder ${OAUTH_CLIENT_ID}
at io.micronaut.context.env.DefaultPropertyPlaceholderResolver$PlaceholderSegment.getValue(DefaultPropertyPlaceholderResolver.java:260)
at io.micronaut.context.env.DefaultPropertyPlaceholderResolver.resolveRequiredPlaceholders(DefaultPropertyPlaceholderResolver.java:86)
at io.micronaut.context.env.PropertySourcePropertyResolver.resolvePlaceHoldersIfNecessary(PropertySourcePropertyResolver.java:799)
at io.micronaut.context.env.PropertySourcePropertyResolver.getProperty(PropertySourcePropertyResolver.java:303)
at io.micronaut.context.DefaultApplicationContext.getProperty(DefaultApplicationContext.java:200)
at io.micronaut.context.AbstractBeanDefinition.resolveValue(AbstractBeanDefinition.java:1946)
at io.micronaut.context.AbstractBeanDefinition.getValueForMethodArgument(AbstractBeanDefinition.java:793)
at io.micronaut.security.oauth2.configuration.$OauthClientConfigurationPropertiesDefinition.injectBean(Unknown Source)
at io.micronaut.security.oauth2.configuration.$OauthClientConfigurationPropertiesDefinition.doBuild(Unknown Source)
at io.micronaut.context.AbstractParametrizedBeanDefinition.build(AbstractParametrizedBeanDefinition.java:118)
at io.micronaut.context.BeanDefinitionDelegate.build(BeanDefinitionDelegate.java:149)
at io.micronaut.context.DefaultBeanContext.doCreateBean(DefaultBeanContext.java:1979)
... 12 common frames omitted
> Task :run FAILED
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':run'.
> Process 'command 'C:\Program Files\Java\jdk1.8.0_121\bin\java.exe'' finished with non-zero exit value 1
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 14s
3 actionable tasks: 3 executed
Provide the oauth configuration as specified in the docs:
https://guides.micronaut.io/latest/micronaut-oauth2-github-gradle-java.html#oauth-2-0-configuration
i.e. client-id: '${OAUTH_CLIENT_ID:defaultToken}'
Replace defaultToken with whatever your token is

Error: Could not find or load main class org.elasticsearch.tools.java_version_checker.JavaVersionChecker

Error: Could not find or load main class org.elasticsearch.tools.java_version_checker.JavaVersionChecker
Caused by: java.lang.ClassNotFoundException: org.elasticsearch.tools.java_version_checker.JavaVersionChecker
When i run bin/elasticsearch command on my terminal i got this error.
Don't know how to fix this issue.

sonarQube execution failed with “Error during SonarQube Scanner execution”

We are using SonarQube for code analysis. Our projects are developed using C# and gitlab CI build pipeline.
Command used to scan the code:
dotnet sonarscanner begin /k:xxxxxx
/d:sonar.host.url=https://sonar.xxxxx.com/ /d:sonar.login=<<login id>> /d:sonar.verbose=true /d:sonar.cs.opencover.reportsPaths="tmp/xx/testresults/coverage.opencover.xml" /d:sonar.coverage.exclusions="*Tests.cs,*Integration.cs" - .
Now job failing with below error:
10:46:41.660 ERROR: Error during SonarQube Scanner execution
10:46:41.660 ERROR: Unable to load component class org.sonar.scanner.report.ActiveRulesPublisher
10:46:41.660 ERROR: Caused by: Unable to load component interface org.sonar.api.batch.rule.ActiveRules
10:46:41.660 ERROR: Caused by: Failed to load quality profiles
10:46:41.661 ERROR: Caused by: timeout
10:46:41.661 ERROR:
Any Idea what can be wrong?

Beginner query: Cannot start Gremlin Server on Windows

I am new to graph databases and I am trying to start the Gremlin Server using the command: bin\gremlin-server.bat
But, I am getting this error:
Error: Could not find or load main class
org.apache.tinkerpop.gremlin.server.GremlinServer
Caused by: java.lang.ClassNotFoundException: org.apache.tinkerpop.gremlin.server.GremlinServer
NOTE: -i is deprecated. Please update your scripts. Using 'install' command...
Error: Could not find or load main class org.apache.tinkerpop.gremlin.server.util.GremlinServerInstall
Caused by: java.lang.ClassNotFoundException: org.apache.tinkerpop.gremlin.server.util.GremlinServerInstall
Can anyone help me with this ?

Spring Build ContextLoads FAILED

I have a big problem. When I'm building my Project, I get this Error:
com.eurofunk.RaceComApplicationTests > contextLoads FAILED
java.lang.IllegalStateException
Caused by: org.springframework.beans.factory.BeanCreationException
Caused by: org.springframework.beans.BeanInstantiationException
Caused by: java.lang.UnsatisfiedLinkError
Could you please help me?
A UnsatisfiedLinkError is thrown
if the Java Virtual Machine cannot find an appropriate native-language definition of a method declared native.
So this does not look like a spring related problem.
It looks more like a problem with the JRE or a bean tries to find a native library which does not exist.

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