I try to connect to a mysql database in a spring project and error occurred. The configuration in application.properties is In pom.xml is I’m sure the password is correct. And in cmd I tried following command and it work. So what’s the possible reason? Thx. Answer Remove the spaces on the sides of the = signs in your application.properties. And
Tag: mysql
How to import data with getGeoLocation twitter4j to MySQL using Java Netbeans
I want to execute my Twitter crawling using Java importing data to MySQL. My problem is when I set parameter for getGeoLocation, which contained latitude and longitude, then I found something error. The output said it is hard to specify for parameter 4 (geoLocation): Many thanks for any comment! Answer Your query expects 4 parameters to be passed, but in
Mapping one to one relationships in Spring Boot
I am trying to map a User with a certain Table in a one to one relationship. This here is my code, id appreciate if u take a look at it: User class: The Table class: Answer You don’t mapped parent entity with child entity properly.In parent table object of CTable is currenTable and you mapped by with table. Change:
org.h2.jdbc.JdbcSQLSyntaxErrorException h2 database java
Exception in thread “main” org.h2.jdbc.JdbcSQLSyntaxErrorException: Syntax error in SQL statement “INSERT INTO SMTP_DATA(SMTP_SERVER, SMTP_USERNAME, SMTP_PASSWORD, SMTP_FROM, SMTP_TO) VALUES (DEMO.STMP.COM, DEMOUSERNAME, DEMOPASSWORD, [email protected][*]MAIL.COM, [email protected]);”; expected “(, ., [, ::, AT, FORMAT, *, /, %, +, -, ||, ~, !~, NOT, LIKE, ILIKE, REGEXP, IS, IN, BETWEEN, AND, OR, ,, )”; SQL statement: I am kind new to h2 and sql statments
Using Java check to determine if there is data in mySQL table before updating table
I am new to Java and am trying to see if the date (actually day of week) column in MySQL contains the date before updating the table. If the date already exist the table should not be updated and if the date doesn’t exist the table should be updated. I’ve tried different code. My prior code either updated or didn’t
Communication link failure in mysql jdbc driver
I’am not able to establish connection with mysql from java using this code It’s throwing me this error The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. The driver has not received any packets from the server. No appropriate protocol (protocol is disabled or cipher suites are
Db insertion row if not exist spring boot
I have a two instances of one spring boot microservice. If two requests are sent at the same time, and the second request can update the row that was created by the first request. How i can prevent this? For example the table contains this columns :id,format,username,groupName and if a row exists (3,”test”,”test”,”test”) and if we try to insert another
How would I get multiple results from a MySQL table? [closed]
Say I have 2 columns, the first one is ID and the second one is colour. How would I search for a specific colour and get all of the id’s that are in the same row as the colour? How would I turn the …
Retrieving a list of values across databases with mybatis
I have 2 Java POJO files The database has a FK mapping between FilterVariable.id and ValueVariable.valueListId. Inserts into the table work perfectly, i have a single transaction that inserts into both tables separately. While retrieving the data using select and join, I only receive the first row from the table in the database. Database Tables: The method in the interface
MySQL Workbench doesn’t “see” updates from JDBC Java program
I have this code and and It executes fine in Eclipse, even a select query in there returns the expected results. But none of the inserts are showing up in MySQL Workbench. I tried restarting the connection and it didn’t work. Autocommits are on as when I tried to do a manual commit it told me so. Answer Wrong schema