MyEclipse中的项目在Manage Deployments窗口中找不到

原因：项目文件.project缺失nature属性的配置

正常的项目.project的内容

<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>OMS-DAL</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.wst.common.project.facet.core.builder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.wst.validation.validationbuilder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>com.genuitec.eclipse.j2eedt.core.DeploymentDescriptorValidator</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.springsource.ide.eclipse.gradle.core.nature</nature>
<nature>org.eclipse.jdt.core.javanature</nature>
<nature>org.eclipse.wst.common.project.facet.core.nature</nature>
<nature>org.eclipse.wst.common.modulecore.ModuleCoreNature</nature>
</natures>
</projectDescription>