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From Chandrashekhar Kotekar <shekhar.kote...@gmail.com>
Subject InvocationTargetException exception from org.apache.hadoop.hbase.client.HConnectionManager.createConnection
Date Tue, 03 Mar 2015 05:07:56 GMT
My tomcat based REST API application is not able to process request due to
above mentioned error. I have tried following things so far :

   1. checking if all the jar files are available or not
   2. Checking permissions on all files present in tomcat/webapp/ directory
   3. firewall rules
   4. Hbase is availabe or not

but then also getting following exception. I am using CDH 5.3.1 which
contains HBase 0.98.6. Does anyone know how to resolve this issue?


2015-03-03 05:09:02 privateLog [ERROR]
java.lang.reflect.InvocationTargetException
org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:413)

org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:306)
                com.amazon.dao.MyDAO.<clinit>(SensorDataDAO.java:78)

sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)

sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
                java.lang.reflect.Constructor.newInstance(Constructor.java:526)

org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:126)

org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:74)

org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:958)

org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:911)

org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:485)

org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)

org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)

org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)

org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)

org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)

org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:580)

org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895)

org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425)

org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:276)

org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:197)

org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)

org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4779)

org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5273)

org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)

org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:895)

org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:871)

org.apache.catalina.core.StandardHost.addChild(StandardHost.java:615)

org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:958)

org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1599)

java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)

java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
                java.util.concurrent.FutureTask.run(FutureTask.java:166)

java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)

java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
                java.lang.Thread.run(Thread.java:724)
                com.amazon.dao.MyDAO  <clinit>


Code which tries to establish connection is as follows:

public class MyDAO {

  protected static HConnection connection;


  static {
      Configuration conf = HBaseConfiguration.create();
      conf.addResource("hbase-site.xml");
      connection = HConnectionManager.createConnection(conf);
      // connection object is still null at this point
    try {
    } catch (Exception ex) {
      ex.printStackTrace();
    }
  }
}


Regards,
Chandrash3khar Kotekar
Mobile - +91 8600011455

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