Invocation of method 'getInfoList' in class java.lang.Class threw exception org.apache.ibatis.exceptions.IbatisException: ### Error opening session. Cause: java.sql.SQLException: ORA-01034: ORACLE not available ORA-27101: shared memory realm does not exist Linux Error: 2: No such file or directory ### Cause: java.sql.SQLException: ORA-01034: ORACLE not available ORA-27101: shared memory realm does not exist Linux Error: 2: No such file or directory at pol.sspu.edu.cn/ROOT/WEB-INF/template/809_vm.vm[line 99, column 27]