[ERROR] [ERROR] Some problems were encountered while processing the POMs:[ERROR] 'dependencies.dependency.version' for org.springframework:spring-core:jar must be a valid version but is '${spring.version}'. @ line 28, column 13[ERROR] 'dependencies.d…
[INFO] Scanning for projects... [ERROR] The build could not read 1 project -> [Help 1] [ERROR] [ERROR] The project cas_client_sso:cas_app2:0.0.1-SNAPSHOT (D:\java\workSpace\cas_app2\pom.xml) has 7 errors [ERROR] 'dependencies.dependency.versi…
http://docs.oracle.com/javase/7/docs/technotes/tools/solaris/jar.html Skip to Content Oracle Technology Network Software Downloads Documentation Search jar-The Java Archive Tool jar combines multiple files into a single JAR archive file. Synopsis D…
简介 HDFS(Hadoop Distributed File System )Hadoop分布式文件系统.是根据google发表的论文翻版的.论文为GFS(Google File System)Google 文件系统(中文,英文). HDFS有很多特点: ① 保存多个副本,且提供容错机制,副本丢失或宕机自动恢复.默认存3份. ② 运行在廉价的机器上. ③ 适合大数据的处理.多大?多小?HDFS默认会将文件分割成block,64M为1个block.然后将block按键值对存储在HDFS上,并将键…
501.Note the output of the following query;SQL> SELECT flashback_archieve_name, status FROM dba_flashback_archieve;FLASHBACK_ARCHIEVE_NAME STATUSFLA1You executed the following command to enable Flashback Data Archive on the EXCHANGB_PATE table:ALTER…