com.activiti.UnlockServiceTask

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This means you're missing a class that Java needs for this program. Check if you're not missing the jsr305-1.3.7.jar from your classpath, it's the jar that contains the class javax.annotation.Nullable.

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    • com.activiti.UnlockServiceTask at org.activiti.engine.impl.util.ReflectUtil.instantiate(ReflectUtil.java:132) at org.activiti.engine.impl.bpmn.helper.ClassDelegate.instantiateDelegate(ClassDelegate.java:163) at org.activiti.engine.impl.bpmn.helper.ClassDelegate.getActivityBehaviorInstance(ClassDelegate.java:136) at org.activiti.engine.impl.bpmn.helper.ClassDelegate.execute(ClassDelegate.java:113) at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:45) at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:88) at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:532) at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:527) at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerStart.java:52) at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56) at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:88) at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:532) at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:527) at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49) at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:88) at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:532) at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:527) at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionCreateScope.execute(AtomicOperationTransitionCreateScope.java:49) at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:88) at org.activiti.engine.impl.jobexecutor.AsyncContinuationJobHandler.execute(AsyncContinuationJobHandler.java:36) at org.activiti.engine.impl.persistence.entity.JobEntity.execute(JobEntity.java:79) at org.activiti.engine.impl.persistence.entity.MessageEntity.execute(MessageEntity.java:29) at org.activiti.engine.impl.cmd.ExecuteJobsCmd.execute(ExecuteJobsCmd.java:71) Caused by: org.activiti.engine.ActivitiClassLoadingException: Class not found: com.activiti.UnlockServiceTask at org.activiti.engine.impl.util.ReflectUtil.loadClass(ReflectUtil.java:82) at org.activiti.engine.impl.util.ReflectUtil.instantiate(ReflectUtil.java:129) ... 23 more Caused by: java.lang.ClassNotFoundException: com.activiti.UnlockServiceTask at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:247) at org.activiti.engine.impl.util.ReflectUtil.loadClass(ReflectUtil.java:63) ... 25 more

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