老师，请问一下，dubbo 同时使用@service和@Transactional，会报错，无法启动，怎么解决

来源：3-4 API网关集成Dubbo

慕无忌9775315

2019-04-16

写回答

2回答

慕无忌9775315

提问者

2019-04-24

java.lang.NullPointerException: null

at org.flowable.engine.impl.persistence.deploy.DeploymentManager.resolveProcessDefinition(DeploymentManager.java:129) ~[na:na]

at org.flowable.engine.impl.persistence.deploy.DeploymentManager.findDeployedProcessDefinitionById(DeploymentManager.java:80) ~[na:na]

at org.flowable.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:87) ~[na:na]

at org.flowable.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:38) ~[na:na]

at org.flowable.engine.impl.interceptor.CommandInvoker$1.run(CommandInvoker.java:51) ~[na:na]

at org.flowable.engine.impl.interceptor.CommandInvoker.executeOperation(CommandInvoker.java:93) ~[na:na]

at org.flowable.engine.impl.interceptor.CommandInvoker.executeOperations(CommandInvoker.java:72) ~[na:na]

at org.flowable.engine.impl.interceptor.CommandInvoker.execute(CommandInvoker.java:56) ~[na:na]

at org.flowable.engine.impl.interceptor.BpmnOverrideContextInterceptor.execute(BpmnOverrideContextInterceptor.java:25) ~[na:na]

at org.flowable.common.engine.impl.interceptor.TransactionContextInterceptor.execute(TransactionContextInterceptor.java:53) ~[na:na]

at org.flowable.common.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:71) ~[na:na]

at org.flowable.common.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:49) ~[na:na]

at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:140) ~[spring-tx-5.0.5.RELEASE.jar:5.0.5.RELEASE]

at org.flowable.common.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:46) ~[na:na]

at org.flowable.common.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:30) ~[na:na]

at org.flowable.common.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:56) ~[na:na]

at org.flowable.common.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:51) ~[na:na]

at org.flowable.engine.impl.RuntimeServiceImpl.startProcessInstanceById(RuntimeServiceImpl.java:152) ~[na:na]

at com.robot.modular.robot.service.SkillServiceImpl.startProcess(SkillServiceImpl.java:251) ~[na:na]

at com.robot.modular.robot.service.SkillServiceImpl.findSkill(SkillServiceImpl.java:226) ~[na:na]

at com.robot.modular.robot.service.SkillServiceImpl$$FastClassBySpringCGLIB$$a605a756.invoke(<generated>) ~[na:na]

at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-5.0.5.RELEASE.jar:5.0.5.RELEASE]

at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:685) ~[spring-aop-5.0.5.RELEASE.jar:5.0.5.RELEASE]

at com.robot.modular.robot.service.SkillServiceImpl$$EnhancerBySpringCGLIB$$58550fd.findSkill(<generated>) ~[na:na]

at com.alibaba.dubbo.common.bytecode.Wrapper27.invokeMethod(Wrapper27.java) ~[dubbo-2.6.0.jar:2.6.0]

at com.alibaba.dubbo.rpc.proxy.javassist.JavassistProxyFactory$1.doInvoke(JavassistProxyFactory.java:45) ~[dubbo-2.6.0.jar:2.6.0]

at com.alibaba.dubbo.rpc.proxy.AbstractProxyInvoker.invoke(AbstractProxyInvoker.java:71) ~[dubbo-2.6.0.jar:2.6.0]

at com.alibaba.dubbo.config.invoker.DelegateProviderMetaDataInvoker.invoke(DelegateProviderMetaDataInvoker.java:48) ~[dubbo-2.6.0.jar:2.6.0]

at com.alibaba.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:52) ~[dubbo-2.6.0.jar:2.6.0]

at com.alibaba.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:61) ~[dubbo-2.6.0.jar:2.6.0]