org springframework beans factory CannotLoadBeanClassException Cannot find class

Question

I replaced j2ee jar with servle-api com from my tomcat 6 0 installation directory  And that yields the error  below  I m presently trying to figure out the cause  What might the problem be   I have a the bean defined in a configuration file  Sempedia-service xml as follows   lt beans xmlns  http   www springframework org schema beans      xmlns xsi  http   www w3 org 2001 XMLSchema-instance      xsi schemaLocation  http   www springframework org schema beans http   www springframework org schema beans spring-beans-2 5 xsd  gt       lt bean id  sempediaSearchService          class  com service SempediaSearchManager    gt     lt  beans gt    my web xml specifies the following beans    lt context-param gt       lt param-name gt contextConfigLocation lt  param-name gt       lt param-value gt  WEB-INF Sempedia-service xml  WEB-INF Sempedia-persistence xml lt  param-value gt   lt  context-param gt    lt listener gt       lt listener-class gt org springframework web context ContextLoaderListener lt  listener-class gt   lt  listener gt    Stack Trace  SEVERE  Exception sending context initialized event to listener instance of class org springframework web context ContextLoaderListener org springframework beans factory CannotLoadBeanClassException  Cannot find class  com service SempediaSearchManager  for bean with name  sempediaSearchService  defined in ServletContext resource   WEB-INF Sempedia-service xml   nested exception is java lang ClassNotFoundException  com service SempediaSearchManager     at org springframework beans factory support AbstractBeanFactory resolveBeanClass AbstractBeanFactory java 1141      at org springframework beans factory support AbstractAutowireCapableBeanFactory predictBeanType AbstractAutowireCapableBeanFactory java 524      at org springframework beans factory support AbstractBeanFactory isFactoryBean AbstractBeanFactory java 1177      at org springframework beans factory support AbstractBeanFactory isFactoryBean AbstractBeanFactory java 758      at org springframework beans factory support DefaultListableBeanFactory preInstantiateSingletons DefaultListableBeanFactory java 422      at org springframework context support AbstractApplicationContext finishBeanFactoryInitialization AbstractApplicationContext java 728      at org springframework context support AbstractApplicationContext refresh AbstractApplicationContext java 380      at org springframework web context ContextLoader createWebApplicationContext ContextLoader java 255      at org springframework web context ContextLoader initWebApplicationContext ContextLoader java 199      at org springframework web context ContextLoaderListener contextInitialized ContextLoaderListener java 45      at org apache catalina core StandardContext listenerStart StandardContext java 3934      at org apache catalina core StandardContext start StandardContext java 4429      at org apache catalina core ContainerBase start ContainerBase java 1045      at org apache catalina core StandardHost start StandardHost java 722      at org apache catalina core ContainerBase start ContainerBase java 1045      at org apache catalina core StandardEngine start StandardEngine java 443      at org apache catalina core StandardService start StandardService java 516      at org apache catalina core StandardServer start StandardServer java 710      at org apache catalina startup Catalina start Catalina java 583      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 apache catalina startup Bootstrap start Bootstrap java 288      at org apache catalina startup Bootstrap main Bootstrap java 413  Caused by  java lang ClassNotFoundException  com service SempediaSearchManager     at org apache catalina loader WebappClassLoader loadClass WebappClassLoader java 1387      at org apache catalina loader WebappClassLoader loadClass WebappClassLoader java 1233      at org springframework util ClassUtils forName ClassUtils java 211      at org springframework beans factory support AbstractBeanDefinition resolveBeanClass AbstractBeanDefinition java 385      at org springframework beans factory support AbstractBeanFactory resolveBeanClass AbstractBeanFactory java 1138          24 more

User · Answer

Just leaving this here for future visitors:

In my case the /WEB-INF/classes directory was missing. If you are using Eclipse, make sure the .settings/org.eclipse.wst.common.component is correct (Deployment Assembly in the project settings).

In my case it was missing

    <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/resources"/>
    <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/test/resources"/>

This file is also a common source of errors as mentioned by Anuj (missing dependencies of other projects).

Otherwise, hopefully the other answers (or the "Problems" tab) will help you.

User · Answer

I have the same problem  I checked my  WEB-INF classes based on Stephen s recommendation      the class is not in your webapp s  WEB-INF classes directory tree or a JAR file in the  WEB-INF lib directory    I discovered I have an outdated jar file  Replacing it with the latest jar file solved the issue

User · Answer

I have faced similar problem  So   I just do  1 update Maven Project  2 install maven

User · Answer

I got the same error and the cause was the directory       U      WEB WebRoot WEB-INF classes com yourcompany cc dao   was corrupted directory or file not readable or damaged    solved with    renaming the directory WEB-INF classes as WEB-INF classes old Eclipse s Project menu--  Clean  to recreate directories  redeploy --  restart server

User · Answer

The problem is that there is no class called com service SempediaSearchManager on your webapp s classpath   The most likely root causes are    the fully qualified classname is incorrect in  WEB-INF Sempedia-service xml  i e  the class name is something else  the class is not in your webapp s  WEB-INF classes directory tree or a JAR file in the  WEB-INF lib directory    EDIT   The only other thing that I can think of is that the ClassDefNotFoundException may actually be a result of an earlier class loading   static initialization problem   Check your log files for the first stack trace  and look the nested exceptions  i e  the  caused by  chain    If a class load fails one time and you or Spring call Class forName   again for some reason  then Java won t actually try to load a second time   Instead you will get a ClassDefNotFoundException stack trace that does not explain the real cause of the original failure    If you are still stumped  you should take Eclipse out of the picture   Create the WAR file in the form that you are eventually going to deploy it  then from the command line    manually shutdown Tomcat clean out your Tomcat webapp directory  copy the WAR file into the webapp directory  start Tomcat    If that doesn t solve the problem directly  look at the deployed webapp directory on Tomcat to verify that the  missing  class is in the right place

User · Answer

Check your dependencies    lt  xml version  1 0  encoding  UTF-8   gt   lt project xmlns  http   maven apache org POM 4 0 0      xmlns xsi  http   www w3 org 2001 XMLSchema-instance      xsi schemaLocation  http   maven apache org POM 4 0 0 http   maven apache org maven-v4 0 0 xsd  gt     lt modelVersion gt 4 0 0 lt  modelVersion gt     lt groupId gt SchoolApp lt  groupId gt     lt artifactId gt SchoolApp lt  artifactId gt     lt version gt 0 0 1-SNAPSHOT lt  version gt     lt packaging gt war lt  packaging gt      lt properties gt       lt hibernate version gt 4 2 0 Final lt  hibernate version gt       lt mysql connector version gt 5 1 21 lt  mysql connector version gt       lt spring version gt 3 2 2 RELEASE lt  spring version gt     lt  properties gt      lt dependencies gt       lt  -- DB related dependencies -- gt       lt dependency gt         lt groupId gt org hibernate lt  groupId gt         lt artifactId gt hibernate-core lt  artifactId gt         lt version gt   hibernate version  lt  version gt       lt  dependency gt       lt dependency gt         lt groupId gt org hibernate lt  groupId gt         lt artifactId gt hibernate-entitymanager lt  artifactId gt         lt version gt   hibernate version  lt  version gt       lt  dependency gt       lt dependency gt         lt groupId gt mysql lt  groupId gt         lt artifactId gt mysql-connector-java lt  artifactId gt         lt version gt   mysql connector version  lt  version gt       lt  dependency gt       lt dependency gt         lt groupId gt commons-dbcp lt  groupId gt         lt artifactId gt commons-dbcp lt  artifactId gt         lt version gt 1 4 lt  version gt       lt  dependency gt       lt dependency gt         lt groupId gt javassist lt  groupId gt         lt artifactId gt javassist lt  artifactId gt         lt version gt 3 12 1 GA lt  version gt       lt  dependency gt       lt  -- SPRING -- gt       lt dependency gt         lt groupId gt org springframework lt  groupId gt         lt artifactId gt spring-core lt  artifactId gt         lt version gt   spring version  lt  version gt       lt  dependency gt       lt dependency gt         lt groupId gt org springframework lt  groupId gt         lt artifactId gt spring-web lt  artifactId gt         lt version gt   spring version  lt  version gt       lt  dependency gt       lt dependency gt         lt groupId gt org springframework lt  groupId gt         lt artifactId gt spring-webmvc lt  artifactId gt         lt version gt   spring version  lt  version gt       lt  dependency gt       lt dependency gt         lt groupId gt org springframework lt  groupId gt         lt artifactId gt spring-tx lt  artifactId gt         lt version gt   spring version  lt  version gt       lt  dependency gt       lt dependency gt         lt groupId gt org springframework lt  groupId gt         lt artifactId gt spring-jdbc lt  artifactId gt         lt version gt   spring version  lt  version gt       lt  dependency gt       lt dependency gt         lt groupId gt org springframework lt  groupId gt         lt artifactId gt spring-orm lt  artifactId gt         lt version gt   spring version  lt  version gt       lt  dependency gt       lt  -- Spring Security  -- gt       lt dependency gt         lt groupId gt org springframework security lt  groupId gt         lt artifactId gt spring-security-core lt  artifactId gt         lt version gt 3 1 3 RELEASE lt  version gt       lt  dependency gt       lt dependency gt         lt groupId gt org springframework security lt  groupId gt         lt artifactId gt spring-security-web lt  artifactId gt         lt version gt 3 1 3 RELEASE lt  version gt       lt  dependency gt       lt dependency gt         lt groupId gt org springframework security lt  groupId gt         lt artifactId gt spring-security-config lt  artifactId gt         lt version gt 3 1 3 RELEASE lt  version gt       lt  dependency gt       lt dependency gt         lt groupId gt org springframework security lt  groupId gt         lt artifactId gt spring-security-taglibs lt  artifactId gt         lt version gt 3 1 3 RELEASE lt  version gt       lt  dependency gt       lt  -- CGLIB is required to process  Configuration classes -- gt       lt dependency gt         lt groupId gt cglib lt  groupId gt         lt artifactId gt cglib lt  artifactId gt         lt version gt 2 2 2 lt  version gt       lt  dependency gt       lt  -- Servlet API and JSTL -- gt       lt dependency gt         lt groupId gt javax servlet lt  groupId gt         lt artifactId gt javax servlet-api lt  artifactId gt         lt version gt 3 0 1 lt  version gt         lt scope gt provided lt  scope gt       lt  dependency gt       lt dependency gt         lt groupId gt jstl lt  groupId gt         lt artifactId gt jstl lt  artifactId gt         lt version gt 1 2 lt  version gt       lt  dependency gt       lt  -- Test -- gt       lt dependency gt         lt groupId gt junit lt  groupId gt         lt artifactId gt junit lt  artifactId gt         lt version gt 4 7 lt  version gt         lt scope gt test lt  scope gt       lt  dependency gt       lt dependency gt         lt groupId gt org springframework lt  groupId gt         lt artifactId gt spring-test lt  artifactId gt         lt version gt   spring version  lt  version gt         lt scope gt test lt  scope gt       lt  dependency gt       lt dependency gt         lt groupId gt org springframework lt  groupId gt         lt artifactId gt spring-test-mvc lt  artifactId gt         lt version gt 1 0 0 M1 lt  version gt         lt scope gt test lt  scope gt       lt  dependency gt     lt  dependencies gt      lt repositories gt       lt repository gt         lt id gt spring-maven-milestone lt  id gt         lt name gt Spring Maven Milestone Repository lt  name gt         lt url gt http   maven springframework org milestone lt  url gt       lt  repository gt     lt  repositories gt      lt build gt       lt finalName gt spr-mvc-hib lt  finalName gt       lt plugins gt         lt plugin gt           lt artifactId gt maven-compiler-plugin lt  artifactId gt           lt version gt 2 3 2 lt  version gt           lt configuration gt             lt source gt 1 7 lt  source gt             lt target gt 1 7 lt  target gt           lt  configuration gt         lt  plugin gt       lt  plugins gt     lt  build gt   lt  project gt

User · Answer

i dont know whether it is relevant to your issue  i got similar issue which i got solved by  1  In eclipse right click server and clean   if it still didnt work  2  export the project and delete the project create the project with same name and import the project and add the project to server and run

User · Answer

i recently experienced this issue when i was trying to build and suddenly the laptop battery ran out of charge  I just removed all the servers from eclipse and then restore it  after doing that  i re-built the war file and it worked

[java] org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class

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