报错信息：
Multiple annotations found at this line:
- schema_reference.4: Failed to read schema document 'http://www.osoa.org/xmlns/sca/1.0/spring-sca.xsd', because 1) could not find the
document; 2) the document could not be read; 3) the root element of the document is not <xsd:schema>.
- cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element 'sca:property'.
解决方法：
windows------->preferences----------->搜索validate 禁用