morningman opened a new issue #3224: [Bug] NPE when using unknown function in broker load process URL: https://github.com/apache/incubator-doris/issues/3224 **Describe the bug** when using unknown function in broker load process, NPE will throw as: ``` java.lang.NullPointerException: null at org.apache.doris.analysis.Analyzer.getDefaultDb(Analyzer.java:1442) ~[palo-fe.jar:?] at org.apache.doris.analysis.FunctionName.analyzeDb(FunctionName.java:128) ~[palo-fe.jar:?] at org.apache.doris.analysis.FunctionCallExpr.analyzeImpl(FunctionCallExpr.java:547) ~[palo-fe.jar:?] at org.apache.doris.analysis.Expr.analyze(Expr.java:364) ~[palo-fe.jar:?] at org.apache.doris.load.Load.initColumns(Load.java:1017) ~[palo-fe.jar:?] at org.apache.doris.planner.BrokerScanNode.initColumns(BrokerScanNode.java:238) ~[palo-fe.jar:?] at org.apache.doris.planner.BrokerScanNode.initParams(BrokerScanNode.java:213) ~[palo-fe.jar:?] at org.apache.doris.planner.BrokerScanNode.init(BrokerScanNode.java:167) ~[palo-fe.jar:?] at org.apache.doris.load.loadv2.LoadingTaskPlanner.plan(LoadingTaskPlanner.java:119) ~[palo-fe.jar:?] at org.apache.doris.load.loadv2.LoadLoadingTask.init(LoadLoadingTask.java:89) ~[palo-fe.jar:?] at org.apache.doris.load.loadv2.BrokerLoadJob.createLoadingTask(BrokerLoadJob.java:378) ~[palo-fe.jar:?] at org.apache.doris.load.loadv2.BrokerLoadJob.onPendingTaskFinished(BrokerLoadJob.java:340) ~[palo-fe.jar:?] at org.apache.doris.load.loadv2.BrokerLoadJob.onTaskFinished(BrokerLoadJob.java:230) ~[palo-fe.jar:?] at org.apache.doris.load.loadv2.LoadTask.exec(LoadTask.java:51) [palo-fe.jar:?] at org.apache.doris.task.MasterTask.run(MasterTask.java:31) [palo-fe.jar:?] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_161] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_161] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_161] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_161] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_161] ``` **Why** This is because of the wrong function checking logic.
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