Re: Metron REST not starting

Mon, 08 May 2017 10:46:34 -0700 

Do you mean "yum install mysql-connector-java" or something else?

On 2017-05-08 10:43, Ryan Merriman wrote:

Did you install the MySQL client jar?
On Mon, May 8, 2017 at 12:40 PM, Laurens Vets <[email protected]> wrote: 


Hello list,
I've installed Metron via Ambari and everything works except the Metron REST interface. It fails with the following error message: "Cannot load driver class: com.mysql.jdbc.Driver". I got the MySQL configuration items from here: https://github.com/apache/incubator-metron/tree/master/metro 
n-interface/metron-rest. Any ideas on what might be going wrong?

The full log:

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v1.4.1.RELEASE)
2017-05-08T10:16:46.408 ERROR [org.springframework.boot.SpringApplication] 
- Application startup failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
creating bean with name 'webSecurityConfig': Unsatisfied dependency
expressed through field 'dataSource'; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating 
bean with name 'dataSource' defined in class path resource
[org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Tomcat.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to
instantiate [org.apache.tomcat.jdbc.pool.DataSource]: Factory method
'dataSource' threw exception; nested exception is
java.lang.IllegalStateException: Cannot load driver class:
com.mysql.jdbc.Driver
at org.springframework.beans.factory.annotation.AutowiredAnnota 
tionBeanPostProcessor$AutowiredFieldElement.inject(A
utowiredAnnotationBeanPostProcessor.java:569)
at org.springframework.beans.factory.annotation.InjectionMetada 
ta.inject(InjectionMetadata.java:88)
at org.springframework.beans.factory.annotation.AutowiredAnnota 
tionBeanPostProcessor.postProcessPropertyValues(AutowiredAnn
otationBeanPostProcessor.java:349)
at org.springframework.beans.factory.support.AbstractAutowireCa 
pableBeanFactory.populateBean(AbstractAutowireCapableBeanFac
tory.java:1219)
at org.springframework.beans.factory.support.AbstractAutowireCa 
pableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
at org.springframework.beans.factory.support.AbstractAutowireCa 
pableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
at org.springframework.beans.factory.support.AbstractBeanFactor 
y$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBe 
anRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactor 
y.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactor 
y.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBea 
nFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:751)
at org.springframework.context.support.AbstractApplicationConte 
xt.finishBeanFactoryInitialization(AbstractApplicationContext.java:861)
at org.springframework.context.support.AbstractApplicationConte 
xt.refresh(AbstractApplicationContext.java:541)
at org.springframework.boot.context.embedded.EmbeddedWebApplica 
tionContext.refresh(EmbeddedWebApplicationContext.java:122)
at org.springframework.boot.SpringApplication.refresh(SpringApp 
lication.java:761)
at org.springframework.boot.SpringApplication.refreshContext(Sp 
ringApplication.java:371)
at org.springframework.boot.SpringApplication.run(SpringApplica 
tion.java:315)
at org.springframework.boot.SpringApplication.run(SpringApplica 
tion.java:1186)
at org.springframework.boot.SpringApplication.run(SpringApplica 
tion.java:1175)
at org.apache.metron.rest.MetronRestApplication.main(MetronRest 
Application.java:27)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce 
ssorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe 
thodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.boot.loader.MainMethodRunner.run(MainMet 
hodRunner.java:48)
        at org.springframework.boot.loader.Launcher.launch(Launcher.
java:87)
        at org.springframework.boot.loader.Launcher.launch(Launcher.
java:50)
        at org.springframework.boot.loader.PropertiesLauncher.main(
PropertiesLauncher.java:525)
Caused by: org.springframework.beans.factory.BeanCreationException: Error 
creating bean with name 'dataSource' defined in class path resource
[org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Tomcat.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to
instantiate [org.apache.tomcat.jdbc.pool.DataSource]: Factory method
'dataSource' threw exception; nested exception is
java.lang.IllegalStateException: Cannot load driver class:
com.mysql.jdbc.Driver
at org.springframework.beans.factory.support.ConstructorResolve 
r.instantiateUsingFactoryMethod(ConstructorResolver.java:599)
at org.springframework.beans.factory.support.AbstractAutowireCa 
pableBeanFactory.instantiateUsingFactoryMethod(AbstractAutow
ireCapableBeanFactory.java:1128)
at org.springframework.beans.factory.support.AbstractAutowireCa 
pableBeanFactory.createBeanInstance(AbstractAut
owireCapableBeanFactory.java:1023)
at org.springframework.beans.factory.support.AbstractAutowireCa 
pableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510)
at org.springframework.beans.factory.support.AbstractAutowireCa 
pableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
at org.springframework.beans.factory.support.AbstractBeanFactor 
y$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBe 
anRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactor 
y.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactor 
y.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.config.DependencyDescripto 
r.resolveCandidate(DependencyDescriptor.java:207)
at org.springframework.beans.factory.support.DefaultListableBea 
nFactory.doResolveDependency(DefaultListableBeanFactory.java:1128)
at org.springframework.beans.factory.support.DefaultListableBea 
nFactory.resolveDependency(DefaultListableBeanFactory.java:1056)
at org.springframework.beans.factory.annotation.AutowiredAnnota 
tionBeanPostProcessor$AutowiredFieldElement.inject(A
utowiredAnnotationBeanPostProcessor.java:566)
        ... 27 more
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.tomcat.jdbc.pool.DataSource]: Factory method 
'dataSource' threw exception; nested exception is
java.lang.IllegalStateException: Cannot load driver class:
com.mysql.jdbc.Driver
at org.springframework.beans.factory.support.SimpleInstantiatio 
nStrategy.instantiate(SimpleInstantiationStrategy.java:189)
at org.springframework.beans.factory.support.ConstructorResolve 
r.instantiateUsingFactoryMethod(ConstructorResolver.java:588)
        ... 39 more
Caused by: java.lang.IllegalStateException: Cannot load driver class:
com.mysql.jdbc.Driver
        at org.springframework.util.Assert.state(Assert.java:392)
at org.springframework.boot.autoconfigure.jdbc.DataSourceProper 
ties.determineDriverClassName(DataSourceProperties.java:214)
at org.springframework.boot.autoconfigure.jdbc.DataSourceProper 
ties.initializeDataSourceBuilder(DataSourceProperties.java:174)
at org.springframework.boot.autoconfigure.jdbc.DataSourceConfig 
uration.createDataSource(DataSourceConfiguration.java:42)
at org.springframework.boot.autoconfigure.jdbc.DataSourceConfig 
uration$Tomcat.dataSource(DataSourceConfiguration.java:53)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce 
ssorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe 
thodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.beans.factory.support.SimpleInstantiatio 
nStrategy.instantiate(SimpleInstantiationStrategy.java:162)
        ... 40 more

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