执行 SHOW CREATE MATERIALIZED VIEW bj_sjzt_db.dwd_fd_es_charge_discounts_statistics_af
报错 ：
: TApplicationException, msg: Internal error processing forward
日志显示：
java.lang.reflect.InvocationTargetException: null
at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_412]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_412]
at org.apache.doris.service.FeServer.lambda$start$0(FeServer.java:60) ~[doris-fe.jar:1.2-SNAPSHOT]
at com.sun.proxy.$Proxy43.forward(Unknown Source) ~[?:?]
at org.apache.doris.thrift.FrontendService$Processor$forward.getResult(FrontendService.java:3732) ~[fe-common-1.2-SNAPSHOT.jar:1.2-SNAPSHOT]
at org.apache.doris.thrift.FrontendService$Processor$forward.getResult(FrontendService.java:3712) ~[fe-common-1.2-SNAPSHOT.jar:1.2-SNAPSHOT]
at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:38) ~[libthrift-0.16.0.jar:0.16.0]
at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:38) ~[libthrift-0.16.0.jar:0.16.0]
at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:250) ~[libthrift-0.16.0.jar:0.16.0]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_412]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_412]
at java.lang.Thread.run(Thread.java:750) ~[?:1.8.0_412]
Caused by: java.lang.NullPointerException
at org.apache.doris.qe.ConnectProcessor.proxyExecute(ConnectProcessor.java:735) ~[doris-fe.jar:1.2-SNAPSHOT]
at org.apache.doris.service.FrontendServiceImpl.forward(FrontendServiceImpl.java:1030) ~[doris-fe.jar:1.2-SNAPSHOT]
... 13 more
