StackTrace: Exception in thread "main" org.activiti.engine.ActivitiException: Error parsing XML at org.activiti.engine.impl.bpmn.parser.BpmnParse.execute(BpmnParse.java:195) at org.activiti.engine.impl.bpmn.deployer.BpmnDeployer.deploy(BpmnDeployer.java:86) at org.activiti.engine.impl.persistence.deploy.DeploymentManager.deploy(DeploymentManager.java:42) at org.activiti.engine.impl.cmd.DeployCmd.execute(DeployCmd.java:68) at org.activiti.engine.impl.cmd.DeployCmd.execute(DeployCmd.java:33) at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24) at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:61) at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31) at org.activiti.engine.impl.RepositoryServiceImpl.deploy(RepositoryServiceImpl.java:74) at org.activiti.engine.impl.repository.DeploymentBuilderImpl.deploy(DeploymentBuilderImpl.java:134) at com.demo.Demo.main(Demo.java:22) Caused by: java.lang.RuntimeException: Could not validate XML with BPMN 2.0 XSD at org.activiti.bpmn.converter.BpmnXMLConverter.convertToBpmnModel(BpmnXMLConverter.java:230) at org.activiti.engine.impl.bpmn.parser.BpmnParse.execute(BpmnParse.java:181) … 10 more Caused by: org.xml.sax.SAXParseException: Element type "definitions" must be followed by either attribute specifications, ">" or "/>".
Can you add the XML in code-tags please? Anyway, make sure the XML is valid, seems like a syntax-error rather than an XSD-error… Try validating the syntax in your tool of choice first.