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@Bean throws null exception when the value from property file is null


Problem with Spring @Configuration classSpring Jndi Configuration, Server.xmlSpring app doesn't find datasource in config filesSpring: Reference bean in @import file during annotation based ConfigurationSpring Security: Java configuration with data sourceFinding id generator in xml for jpa inside Spring containerSplitting activemq broker configuration into multiple filesCould not autowire hibernate SessionFactory in dao classApache Cassandra configuration With SpringSpring Data Neo4J Database Connection













0















Let me show the code.



@Configuration
public class RestTemplateConfig
@Bean
public RestTemplate restTemplate(ClientHttpRequestFactory factory)
return new RestTemplate(factory);

@Bean
public ClientHttpRequestFactory simpleClientHttpRequestFactory()
SimpleClientHttpRequestFactory factory = new SimpleClientHttpRequestFactory();
factory.setReadTimeout(PublicConfigRpt.REST_TEMPALTE_READ_TIMEOUT);
factory.setConnectTimeout(PublicConfigRpt.REST_TEMPLATE_CONNECT_TIMEOUT);
return factory;




PublicConfigRpt.REST_TEMPALTE_READ_TIMEOUT is defined as below.



@Configuration
public class PublicConfigRpt

public static Integer REST_TEMPALTE_READ_TIMEOUT;
public static Integer REST_TEMPLATE_CONNECT_TIMEOUT;

@Value("$rest_template_read_timeout")
public void setRestTempalteReadTimeout(Integer restTempalteReadTimeout)
REST_TEMPALTE_READ_TIMEOUT = restTempalteReadTimeout;


@Value("$rest_template_connect_timeout")
public void setRestTemplateConnectTimeout(Integer restTemplateConnectTimeout)
REST_TEMPLATE_CONNECT_TIMEOUT = restTemplateConnectTimeout;





The timeout parameter is read from property file and set in SimpleClientHttpRequestFactory.



It is OK when started from local Intellij idea. But when it deployed to k8s, it throws exception.




2019/03/07 16:50:34.964 | INFO | Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'simpleClientHttpRequestFactory' defined in class path resource [cn/homersatellite/dd/jd/report/config/RestTemplateConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.http.client.ClientHttpRequestFactory]: Factory method 'simpleClientHttpRequestFactory' threw exception; nested exception is java.lang.NullPointerException




The PublicConfigRpt.REST_TEMPALTE_READ_TIMEOUT is null when simpleClientHttpRequestFactory is invoked, then it throws null exception. Anyone can tell me how to handle this? Thanks.










share|improve this question


























    0















    Let me show the code.



    @Configuration
    public class RestTemplateConfig
    @Bean
    public RestTemplate restTemplate(ClientHttpRequestFactory factory)
    return new RestTemplate(factory);

    @Bean
    public ClientHttpRequestFactory simpleClientHttpRequestFactory()
    SimpleClientHttpRequestFactory factory = new SimpleClientHttpRequestFactory();
    factory.setReadTimeout(PublicConfigRpt.REST_TEMPALTE_READ_TIMEOUT);
    factory.setConnectTimeout(PublicConfigRpt.REST_TEMPLATE_CONNECT_TIMEOUT);
    return factory;




    PublicConfigRpt.REST_TEMPALTE_READ_TIMEOUT is defined as below.



    @Configuration
    public class PublicConfigRpt

    public static Integer REST_TEMPALTE_READ_TIMEOUT;
    public static Integer REST_TEMPLATE_CONNECT_TIMEOUT;

    @Value("$rest_template_read_timeout")
    public void setRestTempalteReadTimeout(Integer restTempalteReadTimeout)
    REST_TEMPALTE_READ_TIMEOUT = restTempalteReadTimeout;


    @Value("$rest_template_connect_timeout")
    public void setRestTemplateConnectTimeout(Integer restTemplateConnectTimeout)
    REST_TEMPLATE_CONNECT_TIMEOUT = restTemplateConnectTimeout;





    The timeout parameter is read from property file and set in SimpleClientHttpRequestFactory.



    It is OK when started from local Intellij idea. But when it deployed to k8s, it throws exception.




    2019/03/07 16:50:34.964 | INFO | Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'simpleClientHttpRequestFactory' defined in class path resource [cn/homersatellite/dd/jd/report/config/RestTemplateConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.http.client.ClientHttpRequestFactory]: Factory method 'simpleClientHttpRequestFactory' threw exception; nested exception is java.lang.NullPointerException




    The PublicConfigRpt.REST_TEMPALTE_READ_TIMEOUT is null when simpleClientHttpRequestFactory is invoked, then it throws null exception. Anyone can tell me how to handle this? Thanks.










    share|improve this question
























      0












      0








      0








      Let me show the code.



      @Configuration
      public class RestTemplateConfig
      @Bean
      public RestTemplate restTemplate(ClientHttpRequestFactory factory)
      return new RestTemplate(factory);

      @Bean
      public ClientHttpRequestFactory simpleClientHttpRequestFactory()
      SimpleClientHttpRequestFactory factory = new SimpleClientHttpRequestFactory();
      factory.setReadTimeout(PublicConfigRpt.REST_TEMPALTE_READ_TIMEOUT);
      factory.setConnectTimeout(PublicConfigRpt.REST_TEMPLATE_CONNECT_TIMEOUT);
      return factory;




      PublicConfigRpt.REST_TEMPALTE_READ_TIMEOUT is defined as below.



      @Configuration
      public class PublicConfigRpt

      public static Integer REST_TEMPALTE_READ_TIMEOUT;
      public static Integer REST_TEMPLATE_CONNECT_TIMEOUT;

      @Value("$rest_template_read_timeout")
      public void setRestTempalteReadTimeout(Integer restTempalteReadTimeout)
      REST_TEMPALTE_READ_TIMEOUT = restTempalteReadTimeout;


      @Value("$rest_template_connect_timeout")
      public void setRestTemplateConnectTimeout(Integer restTemplateConnectTimeout)
      REST_TEMPLATE_CONNECT_TIMEOUT = restTemplateConnectTimeout;





      The timeout parameter is read from property file and set in SimpleClientHttpRequestFactory.



      It is OK when started from local Intellij idea. But when it deployed to k8s, it throws exception.




      2019/03/07 16:50:34.964 | INFO | Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'simpleClientHttpRequestFactory' defined in class path resource [cn/homersatellite/dd/jd/report/config/RestTemplateConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.http.client.ClientHttpRequestFactory]: Factory method 'simpleClientHttpRequestFactory' threw exception; nested exception is java.lang.NullPointerException




      The PublicConfigRpt.REST_TEMPALTE_READ_TIMEOUT is null when simpleClientHttpRequestFactory is invoked, then it throws null exception. Anyone can tell me how to handle this? Thanks.










      share|improve this question














      Let me show the code.



      @Configuration
      public class RestTemplateConfig
      @Bean
      public RestTemplate restTemplate(ClientHttpRequestFactory factory)
      return new RestTemplate(factory);

      @Bean
      public ClientHttpRequestFactory simpleClientHttpRequestFactory()
      SimpleClientHttpRequestFactory factory = new SimpleClientHttpRequestFactory();
      factory.setReadTimeout(PublicConfigRpt.REST_TEMPALTE_READ_TIMEOUT);
      factory.setConnectTimeout(PublicConfigRpt.REST_TEMPLATE_CONNECT_TIMEOUT);
      return factory;




      PublicConfigRpt.REST_TEMPALTE_READ_TIMEOUT is defined as below.



      @Configuration
      public class PublicConfigRpt

      public static Integer REST_TEMPALTE_READ_TIMEOUT;
      public static Integer REST_TEMPLATE_CONNECT_TIMEOUT;

      @Value("$rest_template_read_timeout")
      public void setRestTempalteReadTimeout(Integer restTempalteReadTimeout)
      REST_TEMPALTE_READ_TIMEOUT = restTempalteReadTimeout;


      @Value("$rest_template_connect_timeout")
      public void setRestTemplateConnectTimeout(Integer restTemplateConnectTimeout)
      REST_TEMPLATE_CONNECT_TIMEOUT = restTemplateConnectTimeout;





      The timeout parameter is read from property file and set in SimpleClientHttpRequestFactory.



      It is OK when started from local Intellij idea. But when it deployed to k8s, it throws exception.




      2019/03/07 16:50:34.964 | INFO | Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'simpleClientHttpRequestFactory' defined in class path resource [cn/homersatellite/dd/jd/report/config/RestTemplateConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.http.client.ClientHttpRequestFactory]: Factory method 'simpleClientHttpRequestFactory' threw exception; nested exception is java.lang.NullPointerException




      The PublicConfigRpt.REST_TEMPALTE_READ_TIMEOUT is null when simpleClientHttpRequestFactory is invoked, then it throws null exception. Anyone can tell me how to handle this? Thanks.







      configuration






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Mar 8 at 2:09









      Robin SunRobin Sun

      1971216




      1971216






















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