java

How To Create A New Junit5 Test (Canary Test) For A Java Project In Idea

## tool * IDEA2021.3 *javaJDK17 * JUnit5 ## purpose Mainly learn Test Driven Development…

Java: Convert List To String With Stream

## problem The project has requirements: java converts `List` to `String` for subsequent matchin…

How Does Java Functional Programming Return String To Supplier<String>?

## problem When developing a project, use the following methods: ``` static void play(String…

Wsl/Window Terminal: Java 14 Switch Expressions Unrecognized

## problem `build` succeeds in IDEA, but `automated build` fails ``` $ ./gradlew > Task…

Seata Causes The Insert Statement To Appear The Error Occurred While Setting Parameters

## problem I am the seata RM side, the called side, when called by the business initiator, the f…

The Origin Server Did Not Find A Current Representation For The Target Resource Or Is Not Willing To Disclose That One Exists

## code ``` package com.chey.controller; import org.springframework.web.servlet.ModelAndView;…

Java.Util.Concurrentmodificationexception Exception Reason And Solution

## problem Goal: I want to delete elements in the collection during the loop traversal, but I en…

There Was An Unexpected Error (Type=Internal Server Error, Status=500)

## problem ``` Whitelabel Error Page This application has no explicit mapping for /error, so y…

During The Execution Of Hivesql, An Error Exception: Too Many Counters: 121 Max=120 Is Reported

## problem ``` INFO : Exception: Too many counters: 121 max=120 at org.apache.tez.common.coun…

Error [Main] Imps.Curatorframeworkimpl:566 : Background Exception Was Not Retry-Able Or Retry Gave Up

The workaround is as follows: Modify the `hbase-site.xml` file of `HBase` Original configurat…