zepplin0.7.2报错ERROR, exception: null, result: %text java.lang.NullPointerException的处理

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zepplin0.7.2报错ERROR, exception: null, result: %text java.lang.NullPointerException的处理

zepplin0.7.2报错ERROR, exception: null, result: %text java.lang.NullPointerException的处理问题描述: 使用zepplin查询业务系统数据时报错空指针,具体如下: interpreter.remote.RemoteInterpretershared_session736569169 INFO [2018-01-05 14:54:50,040] ({pool-2-thread-5} Paragraph.java[job…

给内部类对象数组属性赋值时报错：Exception in thread "main" java.lang.NullPointerException

前言 1255: 打怪升级(Java),写这个题目程序的时候,控制台提示如下错误: Exception in thread "main" java.lang.NullPointerException at oj1255.Main.input(Main.java:41) at oj1255.Main.<init>(Main.java:24) at oj1255.Main.main(Main.java:52) 然后我调试才发现,这个对象数组居然是null的,这我就不理解了,我明…

idea 运行scala代码报错：Exception in thread "main" java.lang.NoClassDefFoundError: scala/Predef$ java.lang.NoClassDefFoundError: scala/Function0 Error: A JNI error has occurred, please check your installati

各种报错信息如下: java.lang.NoClassDefFoundError: scala/Function0 at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) at java.lang.Class.privateGetMethodRecursive(Class.java:3048) at java.lang.C…

storm报错：Exception in thread "main" java.lang.RuntimeException: InvalidTopologyException(msg:Component: [mybolt] subscribes from non-existent stream: [default] of component [kafka_spout])

问题描述: storm版本:1.2.2,kafka版本:2.11. 在使用storm去消费kafka中的数据时,发生了如下错误. [root@node01 jars]# /opt/storm-1.2.2/bin/storm jar MyProject-1.0-SNAPSHOT-jar-with-dependencies.jar com.suhaha.storm.storm122_kafka211_demo02.KafkaTopoDemo stormkafka SLF4J: Class pat…