Could not instantiate bean class JobExecutor
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08-03-2012 06:50 AM
Hi.
I have some problems when i try to configure my jobExecutor. I found some topics on this forum which helped me.
I have modified my activiti-explorer\WEB-INF\applicationContext.xml like this:
When I start Tomcat, I have a BeanCreationException with the following message:
Could not instantiate bean class org.activiti.engine.impl.jobexecutor.JobExecutor. Is it an abastract class?
What did I do wrong?
Thanks for your help.
I have some problems when i try to configure my jobExecutor. I found some topics on this forum which helped me.
I have modified my activiti-explorer\WEB-INF\applicationContext.xml like this:
<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:jee="http://www.springframework.org/schema/jee" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.0.xsd"> <bean id="dbProperties" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="location" value="classpath:db.properties" /> <!– Allow other PropertyPlaceholderConfigurer to run as well –> <property name="ignoreUnresolvablePlaceholders" value="true"/> </bean> <bean id="demoDataGenerator" class="org.activiti.explorer.demo.DemoDataGenerator"> <property name="processEngine" ref="processEngine" /> </bean> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"> <property name="driverClassName" value="${jdbc.driver}" /> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> <property name="defaultAutoCommit" value="false" /> </bean> <!– <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver" /> <property name="url" value="jdbc:mysql://localhost:3306/activiti?autoReconnect=true" /> <property name="username" value="activiti" /> <property name="password" value="activiti" /> <property name="defaultAutoCommit" value="false" /> </bean> –> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> <bean id="processEngineConfiguration" class="org.activiti.spring.SpringProcessEngineConfiguration"> <property name="dataSource" ref="dataSource" /> <property name="transactionManager" ref="transactionManager" /> <property name="databaseSchemaUpdate" value="true" /> <property name="jobExecutorActivate" value="true" /> <property name="jobExecutor" ref="jobExecutor" /> <property name="mailServerHost" value="****" /> <property name="mailServerPort" value="25" /> <property name="mailServerUsername" value="*****" /> </bean> <bean id="jobExecutor" class="org.activiti.engine.impl.jobexecutor.JobExecutor"> <property name="maxJobsPerAcquisition" value="10" /> <property name="waitTimeInMillis" value="10000" /> <property name="lockTimeInMillis" value="3600000"/> </bean> <bean id="processEngine" class="org.activiti.spring.ProcessEngineFactoryBean" destroy-method="destroy"> <property name="processEngineConfiguration" ref="processEngineConfiguration" /> </bean> <bean id="repositoryService" factory-bean="processEngine" factory-method="getRepositoryService" /> <bean id="runtimeService" factory-bean="processEngine" factory-method="getRuntimeService" /> <bean id="taskService" factory-bean="processEngine" factory-method="getTaskService" /> <bean id="historyService" factory-bean="processEngine" factory-method="getHistoryService" /> <bean id="managementService" factory-bean="processEngine" factory-method="getManagementService" /> <bean id="identityService" factory-bean="processEngine" factory-method="getIdentityService" /> <bean id="activitiLoginHandler" class="org.activiti.explorer.ui.login.DefaultLoginHandler"> <property name="identityService" ref="identityService" /> </bean> <!– Include the UI-related wiring. This UI context will be used in the alfresco activiti admin UI –> <import resource="activiti-ui-context.xml" /> <!– Custom form types –> <bean id="userFormType" class="org.activiti.explorer.form.UserFormType"/> </beans>
When I start Tomcat, I have a BeanCreationException with the following message:
Could not instantiate bean class org.activiti.engine.impl.jobexecutor.JobExecutor. Is it an abastract class?
What did I do wrong?
Thanks for your help.
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08-03-2012 07:31 AM
this shouldn't be too hard to check
but yes it is abstract you may want to use DefaultJobExecutor ?

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08-03-2012 07:44 AM
I checked in the javadocs before to post but i didnt see that it is abstract: http://activiti.org/javadocs/org/activiti/engine/impl/jobexecutor/JobExecutor.html
Thank you for your answer everything is ok now.
Have a nice day.
Thank you for your answer everything is ok now.
Have a nice day.
