and now I can build it .I don't know if it is a small flaw in the pom.xmlunder jackrabbit-core ... <dependency> <groupId>org.apache.jackrabbit</groupId> <artifactId>jackrabbit-commons</artifactId> <version>${pom.version}</version> </dependency>
---------------------------------------------------------------- I modify it to this. <dependency> <groupId>org.apache.jackrabbit</groupId> <artifactId>jackrabbit-jcr-commons</artifactId> <version>${pom.version}</version> </dependency>