Kafka启动报错: Kafka注册到Zookeeper,Zookeeper也报错: Kafka的错误已经比较… 继续阅读 Kafka启动报错:ERROR Error while loading log dir tmp kafka-logs
标签: 常见错误
idea创建项目maven报错java.lang.NoSuchMethodError
idea创建项目maven报错: 问题原因:主要是因为idea和maven版本导致的,要么是idea版本过高,… 继续阅读 idea创建项目maven报错java.lang.NoSuchMethodError
Flink运行时报错:Caused by: org.apache.flink.runtime.JobException: Recovery is suppressed by NoRestartBackoffTimeStrategy
Flink运行时报错: 根本问题是版本问题,早期版本StreamExecutionEnvironment中默认… 继续阅读 Flink运行时报错:Caused by: org.apache.flink.runtime.JobException: Recovery is suppressed by NoRestartBackoffTimeStrategy
Git报错:fatal Unable to create xxx目录.git index.lock File exists
git执行add命令是报错: 最简单的处理就是重启电脑,因为你操作了两个git的工作空间,其中前一个git的线… 继续阅读 Git报错:fatal Unable to create xxx目录.git index.lock File exists
Flink运行时报错:Specifying keys via field positions is only valid for tuple data types
看异常其实问题已经比较明显了: 代码: keyBy用法keyBy(0)或者keyBy(item->ite… 继续阅读 Flink运行时报错:Specifying keys via field positions is only valid for tuple data types
kafka启动报错:Connection to node -1 (localhost/127.0.0.1:9092) could not be established
Java连接kafka超时报错
报错原因是因为连不上Kafka连不上的原因是因为Java连kafka,kafka需要添加一个配置:advert… 继续阅读 Java连接kafka超时报错
Flink运行时报错:Cannot reference field by position on PojoType
原因是Cannot reference field by position on PojoType,虽然编译器… 继续阅读 Flink运行时报错:Cannot reference field by position on PojoType
Flink运行时报错:could not be determined automatically, due to type erasure
代码: 原因:Lambda无法通过表达式推断出正确的类型 改造代码:1、第一种方法就是使用匿名类 输出结果: … 继续阅读 Flink运行时报错:could not be determined automatically, due to type erasure
Flink运行报错:java.lang.NoClassDefFoundError: org/apache/flink/streaming/api/functions/source/SourceFunction
本地IDE运行Flink代码,报错如下: 问题解决:问题出在pom文件中,其中引入的Flink包的scope为… 继续阅读 Flink运行报错:java.lang.NoClassDefFoundError: org/apache/flink/streaming/api/functions/source/SourceFunction