I have an java spring / hibernate application and I cant create a connection beween the mysql and java containers. When I start just the mysql Container and run the java application manualy in CMD it works fine. But once…
I have some config information in the database, when the springboot starts, it will load this information only one time. So I write the code like this: @Configuration public class CommonConfig { private final DbConfigDao dbConfigDao; @Autowired public CommonConfig (DbConfigDao…
I have the below code in Selenium/Java test class. Now, this code I have pushed to GitHub. Also, I have set up the Jenkins job to execute the same code (in the Jenkins job I have pointed the code to…
I have a Spring application that I am trying to test with EmbededRedis. So I created a component like below to Initialize and kill redis after test. @Component public class EmbededRedis { @Value("${spring.redis.port}") private int redisPort; private RedisServer redisServer; @PostConstruct…
I am using hashmap as a cache to store id and name. because it is frequently used and it lives through the lifetime of the application. for every user using the application, around 5000 and more (depends on workspace) ids…
Context I am looking at a couple of Java Redis clients like Lettuce and Jedis. I see that both libraries have defined their methods to return boxed primitive types rather than straight primitives. For example, sadd() returns Long rather than…
I am using a Spring Boot application. I have a method in my controller that returns some Resources: @ResponseBody @Transactional(rollbackFor = Exception.class) @GetMapping(value="data/{itemId}/items", produces="application/json") public Resources<DataExcerpt> listMyData(@PathVariable("debateId") UUID debateId)){ List<DataExcerpt> dataExcerpts = dataService .listMyData(id) .stream() .map(d -> this.projectionFactory.createProjection(DataExcerpt.class, d)) .collect(Collectors.toList());…
We are having SOLR (8.3.1) CLOUD (NRT) with Zookeeper Ensemble , 3 nodes each on Centos VMs SOLR Nodes has 66GB RAM, 15GB HEAP MEM, 4 CPUs. Record Count: 3.3Million. Avg Doc Size is 350Kb. Everything works fine until some…
I use PuTTY to connect to my Linux (centos 8) server by SSH. then I run my java program on server by the command java -cp /.../ app everything is fine and the program runs continuously, but when I close…
i am using maven enforcer version 3.0.0-M3. i configured the rules within the pom.xml as follows: <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>foo</groupId> <artifactId>foo</artifactId> <version>0.0.1</version> <properties> <java.version>1.8</java.version> <mvn.version>3.6.3</mvn.version> </properties> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-enforcer-plugin</artifactId> <version>3.0.0-M3</version> <executions> <execution>…