Okay, I was able to replicate the problem by adding a dependency of spring boot to my project.
Below is the pom.xml file including spring boot. Now what should I do? ignite 2.7 is not officially released, right? ----BEGIN_PASTE--- <?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>org.apache.ignite</groupId> <artifactId>SampleCluster-project</artifactId> <version>2.5.0</version> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.1.1.RELEASE</version> </parent> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.apache.ignite</groupId> <artifactId>ignite-core</artifactId> <version>2.5.0</version> </dependency> <dependency> <groupId>org.apache.ignite</groupId> <artifactId>ignite-spring</artifactId> <version>2.5.0</version> </dependency> <dependency> <groupId>org.apache.ignite</groupId> <artifactId>ignite-indexing</artifactId> <version>2.5.0</version> </dependency> <dependency> <groupId>org.apache.ignite</groupId> <artifactId>ignite-rest-http</artifactId> <version>2.5.0</version> </dependency> <dependency> <groupId>org.postgresql</groupId> <artifactId>postgresql</artifactId> <version>9.4.1212.jre7</version> </dependency> </dependencies> <build> <resources> <resource> <directory>src/main/java</directory> <excludes> <exclude>**/*.java</exclude> </excludes> </resource> <resource> <directory>src/main/resources</directory> </resource> </resources> <plugins> <plugin> <artifactId>maven-dependency-plugin</artifactId> <executions> <execution> <id>copy-libs</id> <phase>test-compile</phase> <goals> <goal>copy-dependencies</goal> </goals> <configuration> <excludeGroupIds>org.apache.ignite</excludeGroupIds> <outputDirectory>target/libs</outputDirectory> <includeScope>compile</includeScope> <excludeTransitive>true</excludeTransitive> </configuration> </execution> </executions> </plugin> <plugin> <artifactId>maven-compiler-plugin</artifactId> <version>3.1</version> <configuration> <source>1.7</source> <target>1.7</target> </configuration> </plugin> </plugins> </build> </project> ----END_PASTE--- -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/
