将代码从JDK 1.5迁移到1.6时要遵循的步骤是什么?
遵循的步骤:
*** ERROR ***: Thu Apr 01 05:17:06 PDT 2010 org.eclipse.jst.j2ee.commonarchivecore.internal.exception.DeploymentDescriptorLoadException: WEB-INF/web.xml Stack trace of nested exception: java.lang.ClassCastException: org.eclipse.jst.javaee.web.internal.impl.WebAppDeploymentDescriptorImpl cannot be cast to org.eclipse.jst.j2ee.webapplication.WebApp at org.eclipse.jst.j2ee.commonarchivecore.internal.strategy.War22ImportStrategyImpl.loadDeploymentDescriptor(War22ImportStrategyImpl.java:87) at org.eclipse.jst.j2ee.commonarchivecore.internal.strategy.War22ImportStrategyImpl.importMetaData(War22ImportStrategyImpl.java:81) at org.eclipse.jst.j2ee.commonarchivecore.internal.impl.WARFileImpl.getDeploymentDescriptor(WARFileImpl.java:145) *** ERROR ***: Thu Apr 01 05:17:06 PDT 2010 org.eclipse.wst.validation.internal.core.ValidationException: CHKJ3000E: WAR Validation Failed: org.eclipse.jst.j2ee.commonarchivecore.internal.exception.DeploymentDescriptorLoadException: WEB-INF/web.xml at org.eclipse.jst.j2ee.model.internal.validation.WarValidator.validateInJob(WarValidator.java:343) at org.eclipse.jst.j2ee.internal.web.validation.UIWarValidator.validateInJob(UIWarValidator.java:111) at org.eclipse.wst.validation.internal.operations.ValidatorJob.run(ValidatorJob.java:75) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
下载并安装 JDK 6。更新任何环境变量,例如 JAVA_HOME、JDK_HOME。确保您的 IDE 指向新库(如果在更新环境变量后重新启动,大多数 IDE 会自动执行此操作)。更新项目设置以在 IDE 中分别为每个项目使用 JDK 6。
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