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Failed to execute goal org.apache.maven.plugins:maven-war-plugin:2.2:war (default-war) on project child2: Error assembling WAR: webxml attribute is required (or pre-existing WEB-INF/web.xml if executing in update mode)
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添加配置
<properties> <failOnMissingWebXml>false</failOnMissingWebXml> </properties>