protobuf problem

Upgrading from 7.7.0 to 7.15.0 I'm getting this error:

root cause

java.lang.VerifyError: Bad type on operand stack
Exception Details:
Location:
com/google/protobuf/GeneratedMessageV3$ExtendableMessage.getExtension(Lcom/google/protobuf/GeneratedMessage$GeneratedExtension;I)Ljava/lang/Object; @3: invokevirtual
Reason:
Type 'com/google/protobuf/GeneratedMessage$GeneratedExtension' (current frame, stack[1]) is not assignable to 'com/google/protobuf/ExtensionLite'
Current Frame:
bci: @3
flags: { }
locals:

{ 'com/google/protobuf/GeneratedMessageV3$ExtendableMessage', 'com/google/protobuf/GeneratedMessage$GeneratedExtension', integer }
stack: { 'com/google/protobuf/GeneratedMessageV3$ExtendableMessage', 'com/google/protobuf/GeneratedMessage$GeneratedExtension', integer }

Bytecode:
0x0000000: 2a2b 1cb6 0024 b0

org.drools.core.marshalling.impl.PersisterHelper.writeToStreamWithHeader(PersisterHelper.java:211)
org.jbpm.services.task.utils.ContentMarshallerHelper.marshallContent(ContentMarshallerHelper.java:178)
org.jbpm.services.task.utils.ContentMarshallerHelper.marshal(ContentMarshallerHelper.java:65)
org.jbpm.services.task.impl.TaskInstanceServiceImpl.addTask(TaskInstanceServiceImpl.java:119)
org.jbpm.services.task.commands.AddTaskCommand.execute(AddTaskCommand.java:114)
org.jbpm.services.task.commands.AddTaskCommand.execute(AddTaskCommand.java:51)
org.jbpm.services.task.commands.TaskCommandExecutorImpl$SelfExecutionCommandService.execute(TaskCommandExecutorImpl.java:80)
org.jbpm.services.task.commands.TaskCommandExecutorImpl$SelfExecutionCommandService.execute(TaskCommandExecutorImpl.java:65)
org.drools.core.command.impl.AbstractInterceptor.executeNext(AbstractInterceptor.java:39)
org.jbpm.services.task.persistence.TaskTransactionInterceptor.execute(TaskTransactionInterceptor.java:88)
org.jbpm.services.task.persistence.TaskTransactionInterceptor.execute(TaskTransactionInterceptor.java:49)
org.drools.core.command.impl.AbstractInterceptor.executeNext(AbstractInterceptor.java:39)
org.drools.persistence.jta.TransactionLockInterceptor.execute(TransactionLockInterceptor.java:73)
org.drools.persistence.jta.TransactionLockInterceptor.execute(TransactionLockInterceptor.java:45)
org.drools.core.command.impl.AbstractInterceptor.executeNext(AbstractInterceptor.java:39)
org.drools.persistence.jpa.OptimisticLockRetryInterceptor.internalExecute(OptimisticLockRetryInterceptor.java:102)
org.drools.persistence.jpa.OptimisticLockRetryInterceptor.execute(OptimisticLockRetryInterceptor.java:83)
org.drools.persistence.jpa.OptimisticLockRetryInterceptor.execute(OptimisticLockRetryInterceptor.java:44)
org.drools.core.command.impl.AbstractInterceptor.executeNext(AbstractInterceptor.java:39)
org.jbpm.runtime.manager.impl.error.ExecutionErrorHandlerInterceptor.internalExecute(ExecutionErrorHandlerInterceptor.java:66)
org.jbpm.runtime.manager.impl.error.ExecutionErrorHandlerInterceptor.execute(ExecutionErrorHandlerInterceptor.java:52)
org.jbpm.runtime.manager.impl.error.ExecutionErrorHandlerInterceptor.execute(ExecutionErrorHandlerInterceptor.java:29)
org.drools.core.runtime.InternalLocalRunner.execute(InternalLocalRunner.java:37)
org.drools.core.runtime.InternalLocalRunner.execute(InternalLocalRunner.java:41)
org.jbpm.services.task.commands.TaskCommandExecutorImpl.execute(TaskCommandExecutorImpl.java:49)
org.jbpm.services.task.impl.command.CommandBasedTaskService.addTask(CommandBasedTaskService.java:302)
org.jbpm.runtime.manager.impl.task.SynchronizedTaskService.addTask(SynchronizedTaskService.java:438)
org.jbpm.services.task.wih.LocalHTWorkItemHandler.executeWorkItem(LocalHTWorkItemHandler.java:65)
org.drools.persistence.jpa.processinstance.JPAWorkItemManager.internalExecuteWorkItem(JPAWorkItemManager.java:69)
org.jbpm.workflow.instance.node.WorkItemNodeInstance.internalTrigger(WorkItemNodeInstance.java:150)
org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:197)
org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:391)
org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:350)
org.jbpm.workflow.instance.node.StartNodeInstance.triggerCompleted(StartNodeInstance.java:72)
org.jbpm.workflow.instance.node.StartNodeInstance.internalTrigger(StartNodeInstance.java:43)
org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:197)
org.jbpm.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:38)
org.jbpm.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:233)
org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:476)
org.jbpm.process.instance.ProcessRuntimeImpl.startProcessInstance(ProcessRuntimeImpl.java:210)
org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:193)
org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:185)
org.drools.core.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:1881)
org.drools.core.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:122)
org.drools.core.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:40)
org.drools.core.fluent.impl.PseudoClockRunner.executeBatch(PseudoClockRunner.java:102)
org.drools.core.fluent.impl.PseudoClockRunner.executeBatches(PseudoClockRunner.java:69)
org.drools.core.fluent.impl.PseudoClockRunner.execute(PseudoClockRunner.java:61)
org.drools.core.fluent.impl.PseudoClockRunner.execute(PseudoClockRunner.java:39)
org.drools.core.command.impl.AbstractInterceptor.executeNext(AbstractInterceptor.java:39)
org.drools.persistence.PersistableRunner$TransactionInterceptor.execute(PersistableRunner.java:597)
org.drools.persistence.PersistableRunner$TransactionInterceptor.execute(PersistableRunner.java:563)
org.drools.core.command.impl.AbstractInterceptor.executeNext(AbstractInterceptor.java:39)
org.drools.persistence.jpa.OptimisticLockRetryInterceptor.internalExecute(OptimisticLockRetryInterceptor.java:102)
org.drools.persistence.jpa.OptimisticLockRetryInterceptor.execute(OptimisticLockRetryInterceptor.java:83)
org.drools.persistence.jpa.OptimisticLockRetryInterceptor.execute(OptimisticLockRetryInterceptor.java:44)
org.drools.core.command.impl.AbstractInterceptor.executeNext(AbstractInterceptor.java:39)
org.drools.persistence.jta.TransactionLockInterceptor.execute(TransactionLockInterceptor.java:73)
org.drools.persistence.jta.TransactionLockInterceptor.execute(TransactionLockInterceptor.java:45)
org.drools.core.command.impl.AbstractInterceptor.executeNext(AbstractInterceptor.java:39)
org.jbpm.runtime.manager.impl.error.ExecutionErrorHandlerInterceptor.internalExecute(ExecutionErrorHandlerInterceptor.java:66)
org.jbpm.runtime.manager.impl.error.ExecutionErrorHandlerInterceptor.execute(ExecutionErrorHandlerInterceptor.java:52)
org.jbpm.runtime.manager.impl.error.ExecutionErrorHandlerInterceptor.execute(ExecutionErrorHandlerInterceptor.java:29)
org.drools.persistence.PersistableRunner.execute(PersistableRunner.java:398)
org.drools.persistence.PersistableRunner.execute(PersistableRunner.java:66)
org.drools.core.runtime.InternalLocalRunner.execute(InternalLocalRunner.java:37)
org.drools.core.runtime.InternalLocalRunner.execute(InternalLocalRunner.java:41)
org.drools.core.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:263)
com.rasa.controller.JbpmTest.createNewTask(JbpmTest.java:73)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:498)
org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:209)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:877)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:783)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:991)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:974)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:866)
javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:851)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71)