Factory method 'stringHttpMessageConverter' threw exception; nested exception is java.lang.NullPointerException - spring

Question

I am using Springboot + Spring JPA in my stanalone application. But i am geeting following error:
Caused by: org.springframework.beans.BeanInstantiationException:
Failed to instantiate
[org.springframework.http.converter.StringHttpMessageConverter]:
Factory method 'stringHttpMessageConverter' threw exception; nested
exception is java.lang.NullPointerException at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:189)
at
org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)
... 69 more Caused by: java.lang.NullPointerException at
java.nio.charset.Charset.put(Unknown Source) at
java.nio.charset.Charset.access$200(Unknown Source) at
java.nio.charset.Charset$3.run(Unknown Source) at
java.nio.charset.Charset$3.run(Unknown Source) at
java.security.AccessController.doPrivileged(Native Method) at
java.nio.charset.Charset.availableCharsets(Unknown Source) at
org.springframework.http.converter.StringHttpMessageConverter.(StringHttpMessageConverter.java:67)
at
org.springframework.boot.autoconfigure.web.HttpMessageConvertersAutoConfiguration$StringHttpMessageConverterConfiguration.stringHttpMessageConverter(HttpMessageConvertersAutoConfiguration.java:77)
at
org.springframework.boot.autoconfigure.web.HttpMessageConvertersAutoConfiguration$StringHttpMessageConverterConfiguration$$EnhancerBySpringCGLIB$$4ce1453d.CGLIB$stringHttpMessageConverter$0()
at
org.springframework.boot.autoconfigure.web.HttpMessageConvertersAutoConfiguration$StringHttpMessageConverterConfiguration$$EnhancerBySpringCGLIB$$4ce1453d$$FastClassBySpringCGLIB$$1235f10b.invoke()
at
org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
at
org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:309)
at
org.springframework.boot.autoconfigure.web.HttpMessageConvertersAutoConfiguration$StringHttpMessageConverterConfiguration$$EnhancerBySpringCGLIB$$4ce1453d.stringHttpMessageConverter()
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at
java.lang.reflect.Method.invoke(Unknown Source) at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162)
... 70 more
My Config class as follows:
#Configuration
#EnableTransactionManagement
#EnableJpaRepositories(basePackages = {
"com.automation.entity"
})
public class DataAccessPersistenceContext {
#Bean
public DataSource sybaseDataSource() {
DataSource sybaseDataSource = new DataSource();
try {
sybaseDataSource.setDriverClassName("com.sybase.jdbc4.jdbc.SybDriver");
sybaseDataSource.setUrl("jdbc:sybase:Tds:test.com:29812/TESTSCORE");
sybaseDataSource.setUsername("testUser");
String password = "user";
sybaseDataSource.setPassword(password);
sybaseDataSource.setInitialSize(Integer.parseInt("5"));
sybaseDataSource.setMaxActive(Integer.parseInt("30"));
sybaseDataSource.setMaxIdle(Integer.parseInt("2"));
sybaseDataSource.setMinIdle(Integer.parseInt("2"));
sybaseDataSource.setValidationQuery("SELECT 1");
sybaseDataSource.setTestOnBorrow(Boolean.parseBoolean("true"));
sybaseDataSource.setTestWhileIdle(Boolean.parseBoolean("true"));
} catch (NumberFormatException e) {
// log.error("Exception in CoreLocalConfig.
// NumberFormatException:"+e);
} catch (Exception e) {
// log.error("Exception in CoreLocalConfig. Exception:"+e);
}
return sybaseDataSource;
}
#Bean
#Qualifier("entityManagerFactory")
LocalContainerEntityManagerFactoryBean entityManagerFactory(DataSource dataSource) {
LocalContainerEntityManagerFactoryBean entityManagerFactoryBean = new LocalContainerEntityManagerFactoryBean();
entityManagerFactoryBean.setDataSource(dataSource);
entityManagerFactoryBean.setJpaVendorAdapter(new HibernateJpaVendorAdapter());
entityManagerFactoryBean.setPackagesToScan("com.automation.entity");
Properties jpaProperties = new Properties();
//Configures the used database dialect. This allows Hibernate to create SQL
//that is optimized for the used database.
jpaProperties.put("hibernate.dialect", "org.hibernate.dialect.Sybase11Dialect");
//Specifies the action that is invoked to the database when the Hibernate
//SessionFactory is created or closed.
jpaProperties.put("hibernate.hbm2ddl.auto", "create-drop");
//Configures the naming strategy that is used when Hibernate creates
//new database objects and schema elements
jpaProperties.put("hibernate.ejb.naming_strategy", "org.hibernate.cfg.ImprovedNamingStrategy");
//If the value of this property is true, Hibernate writes all SQL
//statements to the console.
jpaProperties.put("hibernate.show_sql", "true");
//If the value of this property is true, Hibernate will format the SQL
//that is written to the console.
jpaProperties.put("hibernate.format_sql", "true");
entityManagerFactoryBean.setJpaProperties(jpaProperties);
return entityManagerFactoryBean;
}
#Bean
JpaTransactionManager transactionManager(EntityManagerFactory entityManagerFactory) {
JpaTransactionManager transactionManager = new JpaTransactionManager();
transactionManager.setEntityManagerFactory(entityManagerFactory);
return transactionManager;
}
}
Can you please help me to resolve this issue?

Answer 1

i have resolved it by adding correct jconnect4.jar file into classpath