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你好。
我想加载unx Universe,但是在运行步骤时出现错误
businessLayer =(RelationalBusinessLayer)localResourceService.load(blxPath);
由以下原因引起:java.lang.NullPointerException
导入com.businessobjects.mds.universe.Universe; 导入com.crystaldecisions.sdk.exception.SDKException; 导入com.crystaldecisions.sdk.framework.CrystalEnterprise; 导入com.crystaldecisions.sdk.framework.IEnterpriseSession; 导入com.crystaldecisions.sdk.framework.ISessionMgr; 导入com.crystaldecisions.sdk.plugin.CeProgID; 导入com.sap.sl.sdk.authoring.cms.CmsResourceService; 导入com.sap.sl.sdk.authoring.businesslayer。*; 导入com.sap.sl.sdk.authoring.datafoundation。*; 导入com.sap.sl.sdk.authoring.local.LocalResourceService; 导入com.sap.sl.sdk.framework.SlContext; 导入com.sap.sl.sdk.framework.cms.CmsSessionService; 公共课Pr { 公共静态void main(String [] args){ 字符串用户名=" g9301"; 字符串密码=" passw"; 字符串服务器=""; 字符串auth =" secEnterprise"; 字符串cmspath ="/img/Universes"; 字符串unxname =" eFashion.unx"; 字符串tempFolder =" mytemp"; SlContext context = SlContext.create(); IEnterpriseSession enterpriseSession = null; 尝试 { ISessionMgr sessionMgr = CrystalEnterprise.getSessionMgr(); enterpriseSession = sessionMgr.logon(用户名,密码,服务器,身份验证); CmsSessionService cmsSessionService = context.getService(CmsSessionService.class); cmsSessionService.setSession(enterpriseSession); CmsResourceService cmsService = context.getService(CmsResourceService.class); LocalResourceService localResourceService = context.getService(LocalResourceService.class); BusinessLayerFactory businessLayerFactory = context.getService(BusinessLayerFactory.class); DataFoundationFactory dataFoundationFactory = context.getService(DataFoundationFactory.class); System.out.println("导入Universe"); System.out.println(cmspath +"/" + unxname); 字符串blxPath = cmsService.retrieveUniverse(cmspath +"/" + unxname,tempFolder,true); System.out.println(blxPath); System.out.println("正在加载Universe"); RelationalBusinessLayer businessLayer = null; 尝试 { businessLayer =(RelationalBusinessLayer)localResourceService.load(blxPath); } catch(例外e){ System.out.println(e.getMessage()); e.printStackTrace(); } 字符串dfxPath = businessLayer.getDataFoundationPath(); } 捕获(SDKException e) { System.out.println(" 111"); } 最后 { 如果(上下文!= null) { context.close(); } 如果(enterpriseSession!= null) { enterpriseSession.logoff(); } System.out.println("完成"); }
您使用的是Java 1.8还是其他版本?
请参见 https://launchpad。 support.sap.com/#/notes/0002641288
发生此问题是因为我们的某些jar文件与Java 1.9不兼容,因此即使它们在类路径中也是如此 ,它们不会被加载。 这会导致NoClassDefFound异常
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