how to get Service, in the Job class of Quartz and Service is Null in the Job class. found several methods on the Internet but did not solve it. The code is below. Please take a look at it. error message java.lang.NullPointerException at com.wuf...
how to get Service, in the Job class of Quartz and Service is Null in the Job class. found several methods on the Internet but did not solve it. The code is below. Please take a look at it. error message java.lang.NullPointerException at com.wuf...
how to get Service, in the Job class of Quartz and Service is Null in the Job class. found several methods on the Internet but did not solve it. The code is below. Please take a look at it. error message java.lang.NullPointerException at com.wuf...
how to get Service, in the Job class of Quartz and Service is Null in the Job class. found several methods on the Internet but did not solve it. The code is below. Please take a look at it. error message java.lang.NullPointerException at com.wuf...
how to get Service, in the Job class of Quartz and Service is Null in the Job class. found several methods on the Internet but did not solve it. The code is below. Please take a look at it. error message java.lang.NullPointerException at com.wuf...
how to get Service, in the Job class of Quartz and Service is Null in the Job class. found several methods on the Internet but did not solve it. The code is below. Please take a look at it. error message java.lang.NullPointerException at com.wuf...
if you want to simply implement a SSO single sign-on system, you can simply simulate it with servlet. Token and other things in the authorization process would like to be placed in Ecache, then the above problem occurs, and an error is reported direct...
using idea, you will find that its git is really convenient, but sometimes there are some inexplicable problems 1. Switch branch from local branch A to local branch B, pull branch B code to the latest, sometimes pull will find that the code has not been...
when sending a MQ message using stream, if the message is not consumed, you want the message to be saved in rabbitMQ, and when the consumer starts, you can go to MQ to get it. I would like to ask how to implement it: spring.cloud.stream.bindings.creat.d...
when sending a MQ message using stream, if the message is not consumed, you want the message to be saved in rabbitMQ, and when the consumer starts, you can go to MQ to get it. I would like to ask how to implement it: spring.cloud.stream.bindings.creat.d...
when the file is uploaded, uploads all the modified files in my local area. but I only need this one file that is currently modified to upload. how to solve this problem ...
configuration is as follows: is this IDE s bug? If not, how to solve it? ...
idearemote tomcatwar catalina.sh on configured Ali Cloud export CATALINA_OPTS="-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=2222 -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -Djav...
how to configure startup items in idea Does 2018.3 not support grails2.4.4 or is my configuration item not selected correctly? Ask the boss to tell what result do you expect? What is the error message actually seen? ...
the demo, database table on the reference network has been created automatically, but the following database errors were reported when the project started. Please ask the gods to give us some suggestions. Thank you . SQL: INSERT INTO ACT_GE_BYTEARRAY (...
I asked for a conditional query in springboot, so I used Criteria, but didn t it need to provide a metamodel class? I customized one, but when I checked the null pointer exception at run time, I found that the metadata class could not be found. What sh...
as shown in the figure, the tags directly copy from the current page cannot be recognized because there is no import . I must manually delete 2 tag signatures and let ide associate them before I can click on the correct component to associate them. Is...
if a method is defined in the figure, a comment like a watermark automatically appears in front of it. Where can I get rid of it? system parameters are as follows IntelliJ IDEA 2018.1.3 (Ultimate Edition) Build -sharpIU-181.4892.42, built on May 8...
the Swing project created by Idea uses maven to solve dependency problems it can be successful if it is run directly in idea, but it is not successful after packaging. related pom is as follows <plugin> <artifactId>maven-assembly-...
I just started to learn spring boot, and built a new maven project on idea. After configuring Project Structure and tomcat according to the tutorials, I made an error running index.jsp Times: Error running index.jsp : Cannot load C: Users HXB .In...
is to get the element with router-link-active class name, which can be obtained through dom operation. I would like to ask if there is a vue method? created() { this.$nextTick(() => { let activeElement = document.querySelector( .r...
if the client needs two websocket, and cannot get through the websocket connection under different routes, do you need to open two ports: const WebSocket = require( ws ); const wss1= new WebSocket.Server({ port: 8080 }); const wss2= new WebSocket.Se...
I usually use int for storage. The unit of data storage is divided into points. For example, for goods worth one yuan, it is 100 in the database. I think it s simple and straightforward, and there s no need to think about compatibility or anything. ...
question: I am a java background programmer, responsible for providing interfaces to APP calls. Now a certain interface on the app side needs to display some pictures, and these pictures are stored in the database as a byte array (binary), so how should ...
can you give me a column? ...