2022/06/05 02:10:25  ERROR  Unexpected exception occurred invoking async method: public void com.example.emos.api.task.MeetingWorkflowTask.startMeetingWorkflow(java.lang.String,int,java.lang.String,java.lang.String,java.lang.String,java.lang.String)

java.lang.NullPointerException: Cannot invoke "Object.toString()" because the return value of "java.util.HashMap.get(Object)" is null

at com.example.emos.api.task.MeetingWorkflowTask.startMeetingWorkflow(MeetingWorkflowTask.java:47)

at com.example.emos.api.task.MeetingWorkflowTask$$FastClassBySpringCGLIB$$fa1fad7b.invoke(<generated>)

at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)

at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:779)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)

at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:750)

at org.springframework.aop.interceptor.AsyncExecutionInterceptor.lambda$invoke$0(AsyncExecutionInterceptor.java:115)

at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)

at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)

at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)

at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)

at java.base/java.lang.Thread.run(Thread.java:832)